Species Erigeron abajoensis Cronquist
Species Erigeron acer L.
Species Erigeron acris L.
Species Erigeron adenophorus Greenm.
Species Erigeron aegyptiacus L.
Species Erigeron alexeenkoi (Krasch.) Botsch.
Species Erigeron aliceae Howell
Species Erigeron allochrous Botsch.
Species Erigeron alpiniformis Cronquist
Species Erigeron alpinus L.
Species Erigeron altaicus Popov
Species Erigeron altissimus R.R.Stewart
Species Erigeron andicola DC.
Species Erigeron androssovii Popov
Species Erigeron angustissimus Lindl. ex DC.
Species Erigeron anisophyllus Rech.f.
Species Erigeron annuactis G.L.Nesom
Species Erigeron annuus (L.) Desf.
Species Erigeron aphanactis (A.Gray) Greene
Species Erigeron apiculatus Benth.
Species Erigeron aquarius Standl. & Steyerm.
Species Erigeron arenarioides (D.C.Eaton ex A.Gray) A.Gray ex Rydb.
Species Erigeron arisolius G.L.Nesom
Species Erigeron arizonicus A.Gray
Species Erigeron armerifolius Turcz. ex DC.
Species Erigeron asperugineus (D.C.Eaton) A.Gray
Species Erigeron asteroides Wall.
Species Erigeron astranthioides De Jong & G.L.Nesom
Species Erigeron atticus Vill.
Species Erigeron aurantiacus Regel
Species Erigeron aureus Greene
Species Erigeron aviatorum Herter
Species Erigeron azureus Regel ex Popov
Species Erigeron badachschanicus Botsch.
Species Erigeron baicalensis Botsch.
Species Erigeron bardsirica Parsa
Species Erigeron basaseachensis G.L.Nesom
Species Erigeron basilobatus S.F.Blake
Species Erigeron baumii O.Hoffm.
Species Erigeron bellidiastroides Griseb.
Species Erigeron bellidiastrum Nutt.
Species Erigeron bellidifolius Muhl. ex Willd.
Species Erigeron bellidiformis Popov
Species Erigeron bellidioides Griseb.
Species Erigeron bellidioides (Hook.f.) S.J.Forbes & D.I.Morris
Species Erigeron bellidioides (Buch.-Ham. ex D.Don) Benth. ex C.B.Clarke
Species Erigeron bellioides DC.
Species Erigeron bigelovii A.Gray
Species Erigeron bilbaoanus Cabrera
Species Erigeron biolettii Greene
Species Erigeron biramosus Botsch.
Species Erigeron blakei Cabrera
Species Erigeron blochmanae Greene
Species Erigeron bloomeri A.Gray
Species Erigeron boergeri Herter
Species Erigeron bonariensis L.
Species Erigeron borealis (Vierh.) Simmons
Species Erigeron brachyphyllus
Species Erigeron brachyspermus Botsch.
Species Erigeron breviscapus (Vaniot) Hand.-Mazz.
Species Erigeron breweri A.Gray
Species Erigeron burejensis Barkalov
Species Erigeron burnatii F.O.Wolf
Species Erigeron byei S.D.Sundb. & G.L.Nesom
Species Erigeron cabulicus (Boiss.) Botsch.
Species Erigeron caeruleus Urb.
Species Erigeron caespitans Kom.
Species Erigeron caespitosus Nutt.
Species Erigeron calcicola Greenm.
Species Erigeron calderae A.Hansen
Species Erigeron campanensis Valdeb., Lowrey & Stuessy
Species Erigeron camposportoi Cabrera
Species Erigeron canaani S.L.Welsh
Species Erigeron canadensis L.
Species Erigeron canescens Sch.Bip.
Species Erigeron canus A.Gray
Species Erigeron capillipes Ekman ex Urb.
Species Erigeron cascadensis A.Heller
Species Erigeron caucasicus Steven
Species Erigeron caulinifolius G.L.Nesom
Species Erigeron cavernensis S.L.Welsh & N.D.Atwood
Species Erigeron cedretorum Rech.f.
Species Erigeron celerieri Emb. & Maire
Species Erigeron cervinus Greene
Species Erigeron chiangii G.L.Nesom
Species Erigeron chihuahuanus Greene
Species Erigeron chionophilus Wedd.
Species Erigeron chionophilus Boiss.
Species Erigeron chiriquensis Standl.
Species Erigeron chrysopsidis A.Gray
Species Erigeron cieloensis G.L.Nesom
Species Erigeron cilicicus Boiss. ex Vierh.
Species Erigeron cinereus Hook. & Arn.
Species Erigeron circulis G.L.Nesom
Species Erigeron clokeyi Cronquist
Species Erigeron coeruleus Popov
Species Erigeron compactus S.F.Blake
Species Erigeron compositus Pursh
Species Erigeron concinnus (Hook. & Arn.) Torr. & A.Gray
Species Erigeron consimilis Cronquist
Species Erigeron conyzoides F.Muell.
Species Erigeron coronarius Greene
Species Erigeron coroniglandifer G.L.Nesom
Species Erigeron coulteri Porter
Species Erigeron crenatus Eastw.
Species Erigeron cuatrocienegensis G.L.Nesom
Species Erigeron cuneifolius DC.
Species Erigeron cyanactis Rech.f.
Species Erigeron dactyloides (Greenm.) G.L.Nesom
Species Erigeron daenensis Vierh.
Species Erigeron darrellianus Hemsl.
Species Erigeron daveauanus (Sennen) Greuter
Species Erigeron davisii (Cronquist) G.L.Nesom
Species Erigeron decumbens Nutt.
Species Erigeron dejongii G.L.Nesom
Species Erigeron delphinifolius Willd.
Species Erigeron denalii A.Nelson
Species Erigeron diplopappoides S.Schauer
Species Erigeron disparipilus Cronquist
Species Erigeron dissectus Urb.
Species Erigeron divergens Torr. & A.Gray
Species Erigeron domingensis Urb.
Species Erigeron droebachensis O.F.Müll. ex Retz.
Species Erigeron dryophyllus A.Gray
Species Erigeron eatonii A.Gray
Species Erigeron ecuadoriensis Hieron.
Species Erigeron elatior (A.Gray) Greene
Species Erigeron elatus (Hook.) Greene
Species Erigeron elbursensis Vierh.
Species Erigeron elegantulus Greene
Species Erigeron eliceae
Species Erigeron ellisii Hook.f.
Species Erigeron elmeri (Greene) Greene
Species Erigeron engelmannii A.Nelson
Species Erigeron epiroticus (Vierh.) Halácsy
Species Erigeron eriocalyx (Ledeb.) Vierh.
Species Erigeron eriocephalus J.Vahl
Species Erigeron eruptens G.L.Nesom
Species Erigeron ervendbergii A.Gray
Species Erigeron exilis A.Gray ex A.Gray
Species Erigeron eximius Greene
Species Erigeron fasciculatus Colla
Species Erigeron fernandezius (Colla) Harling
Species Erigeron filifolius (Hook.) Nutt.
Species Erigeron flaccidus (Bunge) Botsch.
Species Erigeron flagellaris A.Gray
Species Erigeron floribundus (Kunth) Sch.Bip.
Species Erigeron fluens G.L.Nesom
Species Erigeron foliosus Nutt.
Species Erigeron formosissimus Greene
Species Erigeron forreri (Greene) Greene
Species Erigeron fragrans Spreng.
Species Erigeron fraternus Greene
Species Erigeron frigidus Boiss. ex DC.
Species Erigeron fuertesii Urb.
Species Erigeron fukuyamae Kitam.
Species Erigeron fundus G.L.Nesom
Species Erigeron galeottii (A.Gray) Greene
Species Erigeron garrettii A.Nelson
Species Erigeron geiseri Shinners
Species Erigeron gilensis Wooton & Standl.
Species Erigeron gilliesii (Hook. & Arn.) Cabrera
Species Erigeron glabellus Nutt.
Species Erigeron glacialis (Nutt.) A.Nelson
Species Erigeron glaucus Ker Gawl.
Species Erigeron gnaphalioides Kunth
Species Erigeron gouanii L.
Species Erigeron gracilis Rydb.
Species Erigeron granatensis W.Lippert
Species Erigeron grandiflorus Hook.
Species Erigeron greenei G.L.Nesom
Species Erigeron griseus (Greenm.) G.L.Nesom
Species Erigeron guatemalensis (S.F.Blake) G.L.Nesom
Species Erigeron gunnii (Hook.f.) F.Muell.
Species Erigeron gypsoverus G.L.Nesom
Species Erigeron heterochaeta (Benth. ex Benth.) Botsch.
Species Erigeron heteromorphus B.L.Rob.
Species Erigeron heterophyllus Kunth & C.D.Bouché
Species Erigeron hillii Domke
Species Erigeron himalajensis Vierh.
Species Erigeron hintoniorum G.L.Nesom
Species Erigeron hispanicus (Vierh.) Maire
Species Erigeron hissaricus Botsch.
Species Erigeron howellii (A.Gray) A.Gray
Species Erigeron humilis Graham
Species Erigeron hungaricus (Vierh.) Pawł.
Species Erigeron hyoseroides Griseb.
Species Erigeron hyperboreus Greene
Species Erigeron hypsophilus Phil.
Species Erigeron hyrcanicus Bornm. & Vierh.
Species Erigeron hyssopifolius Michx.
Species Erigeron illapelinus Phil.
Species Erigeron imbricatus Vierh.
Species Erigeron incaicus Solbrig
Species Erigeron incertus (d'Urv.) Skottsb.
Species Erigeron ingae Skottsb.
Species Erigeron inoptatus A.Gray
Species Erigeron inornatus (A.Gray) A.Gray
Species Erigeron irazuensis Greenm.
Species Erigeron ivifolius (L.) Sch.Bip.
Species Erigeron jaeschkei Vierh.
Species Erigeron jamaicensis L.
Species Erigeron janivultus G.L.Nesom
Species Erigeron jenkinsii G.L.Nesom
Species Erigeron jonesii Cronquist
Species Erigeron karvinskianus DC.
Species Erigeron khorassanicus Boiss.
Species Erigeron kiukiangensis
Species Erigeron klamathensis (G.L.Nesom) G.L.Nesom
Species Erigeron klossii S.Moore
Species Erigeron komarovii Botsch.
Species Erigeron kopetdaghensis Popov
Species Erigeron krylovii Serg.
Species Erigeron kumaunensis (Vierh.) Wendelbo
Species Erigeron kunshanensis
Species Erigeron lachnocephalus Botsch.
Species Erigeron lanatus Hook.
Species Erigeron lanceolatus Wedd.
Species Erigeron lanuginosus Y.L.Chen
Species Erigeron lassenianus Greene
Species Erigeron latus (A.Nelson & J.F.Macbr.) Cronquist
Species Erigeron laxiflorus Baker
Species Erigeron lechleri Sch.Bip.
Species Erigeron leibergii Piper
Species Erigeron leiolepis Solbrig
Species Erigeron leiomerus A.Gray
Species Erigeron leioreades Popov
Species Erigeron lepidopodus (B.L.Rob. & Fernald) G.L.Nesom
Species Erigeron leptocladus Rech.f.
Species Erigeron leptopetalus Phil.
Species Erigeron leptorhizon DC.
Species Erigeron leucanthemifolius S.Schauer
Species Erigeron leucoglossus
Species Erigeron libanensis Urb.
Species Erigeron libanoticus Vierh.
Species Erigeron linearis (Hook.) Piper
Species Erigeron lobatus A.Nelson
Species Erigeron lonchophyllus Hook.
Species Erigeron longipes DC.
Species Erigeron luteoviridis Skottsb.
Species Erigeron luxurians (Skottsb.) Solbrig
Species Erigeron macdonaldii G.L.Nesom
Species Erigeron machucana G.L.Nesom
Species Erigeron maguirei Cronquist
Species Erigeron mairei H.Lév.
Species Erigeron major (Boiss.) Vierh.
Species Erigeron mancus Rydb.
Species Erigeron maniopotamicus G.L.Nesom & T.W.Nelson
Species Erigeron manshuricus (Kom.) Vorosch.
Species Erigeron matsudae Koidz.
Species Erigeron maxonii S.F.Blake
Species Erigeron mayoensis G.L.Nesom
Species Erigeron melanocephalus (A.Nelson) A.Nelson
Species Erigeron metrius S.F.Blake
Species Erigeron mihianus S.F.Blake
Species Erigeron mimegletes Shinners
Species Erigeron mimus (S.F.Blake) G.L.Nesom
Species Erigeron minusculus Cuatrec.
Species Erigeron miyabeanus (Tatew. & Kitam.) Tatew. & Kitam. ex Tatew. & Kita
Species Erigeron modestus A.Gray
Species Erigeron mohinorensis G.L.Nesom
Species Erigeron monticolus DC.
Species Erigeron morelensis Greenm.
Species Erigeron morrisonensis Hayata
Species Erigeron moupinensis Franch.
Species Erigeron muirii A.Gray
Species Erigeron multifolius Hand.-Mazz.
Species Erigeron multiradiatus (Lindl. ex DC.) Benth. & Hook.f.
Species Erigeron myosotis Pers.
Species Erigeron nacoriensis G.L.Nesom
Species Erigeron nannogeron Rech.f.
Species Erigeron narcissus G.L.Nesom
Species Erigeron nauseosus (M.E.Jones) A.Nelson
Species Erigeron neglectus A.Kern.
Species Erigeron neocaledonicus S.Moore
Species Erigeron neomexicanus A.Gray
Species Erigeron nitidus S.J.Forbes
Species Erigeron nivalis Nutt.
Species Erigeron oaxacanus Greenm.
Species Erigeron ochroleucus Nutt.
Species Erigeron olympicus Schott & Kotschy
Species Erigeron onofrensis G.L.Nesom
Species Erigeron oreades (Schrenk) Fisch. & C.A.Mey.
Species Erigeron oreophilus Ridl.
Species Erigeron oreophilus Greenm.
Species Erigeron othonnifolius Hook. & Arn.
Species Erigeron ovinus Cronquist
Species Erigeron oxyodontus Lunell
Species Erigeron oxyphyllus Greene
Species Erigeron pallens Cronquist
Species Erigeron pallidus Popov
Species Erigeron palmeri A.Gray
Species Erigeron paludicola S.J.Forbes
Species Erigeron pamiricus Botsch. & Kochk.
Species Erigeron panduratus C.C.Chang
Species Erigeron paolii Gamisans
Species Erigeron pappocromus Labill.
Species Erigeron parryi Canby & Rose
Species Erigeron patagonicus Phil.
Species Erigeron pattersonii G.L.Nesom
Species Erigeron paucilobus Urb.
Species Erigeron pauper Benoist
Species Erigeron pazensis Sch.Bip. ex Rusby
Species Erigeron peregrinus (Banks ex Pursh) Greene
Species Erigeron petiolaris Vierh.
Species Erigeron petroiketes Rech.f.
Species Erigeron petrophilus Greene
Species Erigeron philadelphicus L.
Species Erigeron piloso-villosus S.Moore
Species Erigeron pinkavii B.L.Turner
Species Erigeron pinnatisectus (A.Gray) A.Nelson
Species Erigeron platyphyllus Greene
Species Erigeron plesiogeron Rech.f.
Species Erigeron podophyllus G.L.Nesom
Species Erigeron poliospermus A.Gray
Species Erigeron polycephalus (Larsen) G.L.Nesom
Species Erigeron polycladus Urb.
Species Erigeron poncinsii (Franch.) Botsch.
Species Erigeron popovii Botsch.
Species Erigeron porphyrolepis
Species Erigeron porsildii G.L.Nesom & D.F.Murray
Species Erigeron potosinus Standl.
Species Erigeron primulifolium (Lam.) Greuter
Species Erigeron procumbens (Houst. ex Mill.) G.L.Nesom
Species Erigeron pseud (Bunge) Popov
Species Erigeron pseuderiocephalus Popov
Species Erigeron pseudoeriocephalus M.Pop.
Species Erigeron pseudohyrcanicus Grierson ex R.R.Stewart
Species Erigeron pseudoseravschanicus Botsch.
Species Erigeron pubescens Kunth
Species Erigeron pulchellus Michx.
Species Erigeron pulcher Phil.
Species Erigeron pulcherrimus A.Heller
Species Erigeron pumilus Nutt.
Species Erigeron punjabensis T.Akhtar & Chaudhri
Species Erigeron purpurascens
Species Erigeron purpuratus Greene
Species Erigeron pygmaeus (A.Gray) Greene
Species Erigeron quiexobrensis G.L.Nesom
Species Erigeron radicatus Hook.
Species Erigeron raphaelis Cuatrec.
Species Erigeron reconditus G.L. Nesom
Species Erigeron reductus (Cronquist) G.L.Nesom
Species Erigeron reinanus G.L.Nesom
Species Erigeron rhizomactis G.L.Nesom
Species Erigeron robustior (Cronquist) G.L.Nesom
Species Erigeron rosulatus Wedd.
Species Erigeron roylei DC.
Species Erigeron rufescens Link ex Steud.
Species Erigeron rupicola Phil.
Species Erigeron sachalinensis Botsch.
Species Erigeron salsuginosus (Richardson ex R.Br.) A.Gray
Species Erigeron saracachiensis G.L. Nesom
Species Erigeron scaposus DC.
Species Erigeron sceptrifer G.L.Nesom
Species Erigeron schalbusii Vierh.
Species Erigeron schikotanensis Barkalov
Species Erigeron schleicheri Gremli
Species Erigeron schmalhausenii Popov
Species Erigeron schnackii Solbrig
Species Erigeron scoparioides G.L.Nesom
Species Erigeron seemannii Greene
Species Erigeron semibarbatus DC.
Species Erigeron seravschanicus Popov
Species Erigeron setosus (Benth.) M.Gray
Species Erigeron silenifolius (Turcz. ex Turcz.) Botsch.
Species Erigeron sionis Cronquist
Species Erigeron socorrensis Brandegee
Species Erigeron sogdianus Popov
Species Erigeron songoricus Y.Wei & C.H.An
Species Erigeron sparsiflorus Eastw.
Species Erigeron sparsifolius Eastw.
Species Erigeron speciosus (Lindl.) DC.
Species Erigeron stanfordii I.M.Johnst. ex G.L.Nesom
Species Erigeron strictus Hook. & Arn.
Species Erigeron strigosus Muhl. ex Willd.
Species Erigeron strigulosus Greene
Species Erigeron subacaulis (McVaugh) G.L.Nesom
Species Erigeron subalpinus Urb.
Species Erigeron sublyratus Roxb. ex DC.
Species Erigeron subtrinervis Rydb. ex Porter & Britton
Species Erigeron sumatrensis Retz.
Species Erigeron swatensis Grierson ex R.R.Stewart
Species Erigeron sylvaticus Phil.
Species Erigeron taipeiensis
Species Erigeron talyschensis Tzvelev
Species Erigeron tasmanicus (Hook.f.) Hook.f.
Species Erigeron taylori Britton & P.Wilson
Species Erigeron tenellus DC.
Species Erigeron tener (A.Gray) A.Gray
Species Erigeron tenuicaulis Ling & Y.L.Chen
Species Erigeron tephropodus G.L.Nesom
Species Erigeron thrincioides Griseb.
Species Erigeron thunbergii A.Gray
Species Erigeron tianschanicus Botsch.
Species Erigeron trachselii Dalla Torre
Species Erigeron tracyi Greene
Species Erigeron trifidus Hook.
Species Erigeron trilobus (Decne.) Boiss.
Species Erigeron trimorphopsis Botsch.
Species Erigeron tuerckheimii Urb.
Species Erigeron turczaninowii Wedd.
Species Erigeron turnerorum G.L.Nesom
Species Erigeron uintahensis Cronquist
Species Erigeron uliginosus Benth.
Species Erigeron umbrosus (Kar. & Kir.) Boiss.
Species Erigeron uncialis S.F.Blake
Species Erigeron unguiphyllus G.L.Nesom
Species Erigeron uniflorus L.
Species Erigeron untermannii S.L.Welsh & Goodrich
Species Erigeron untermanniorum S.L.Welsh
Species Erigeron ursinus D.C.Eaton
Species Erigeron utahensis A.Gray
Species Erigeron variifolius S.F.Blake
Species Erigeron vegaensis Urb.
Species Erigeron velutipes Hook. & Arn.
Species Erigeron veracruzensis G.L.Nesom
Species Erigeron vernus (L.) Torr. & A.Gray
Species Erigeron versicolor (Greenm.) G.L.Nesom
Species Erigeron vetensis Rydb.
Species Erigeron vicarius Botsch.
Species Erigeron vichrenensis Pawł.
Species Erigeron vicinus G.L.Nesom
Species Erigeron violaceus Popov
Species Erigeron vreelandii Rydb.
Species Erigeron watsonii (A.Gray) Cronquist
Species Erigeron wellsii G.L.Nesom
Species Erigeron wilkenii O'Kane
Species Erigeron wislizeni (A.Gray) Greene
Species Erigeron yukonensis Rydb.
Species Erigeron zacatensis G.L.Nesom
Species Erigeron zederbaueri Vierh.
Species Erigeron zosonius H.S.Pak

Species Erigeron abyssinicus (Sch.Bip. ex A.Rich.) Sch.Bip. ex Schweinf. & Asch accepted as Conyza abyssinica Sch.Bip. ex A.Rich.
Species Erigeron accedens Greene accepted as Erigeron divergens Torr. & A.Gray
Species Erigeron acris C.B.Clarke accepted as Erigeron pulchellus Michx.
Species Erigeron aegyptiacus Kurz accepted as Erigeron asteroides Wall.
Species Erigeron aellenii Rech.f. accepted as Psychrogeton aellenii (Rech.f.) Grierson
Species Erigeron affinis DC. accepted as Erigeron scaposus DC.
Species Erigeron affinis V.M.Badillo accepted as Oritrophium venezuelense (Steyerm.) Cuatrec.
Species Erigeron alamosanus Rose accepted as Erigeron velutipes Hook. & Arn.
Species Erigeron alaskanus Cronquist accepted as Erigeron hyperboreus Greene
Species Erigeron alatus D.Don accepted as Blumea alata (D.Don) DC. accepted as Blumea crispata var. crispata
Species Erigeron albidum (Willd. ex Spreng.) A.Gray accepted as Erigeron bonariensis L.
Species Erigeron albidus (Willd. ex Spreng.) A.Gray accepted as Erigeron sumatrensis Retz.
Species Erigeron alcicornutus Greenm. accepted as Erigeron inoptatus A.Gray
Species Erigeron alexeenkoi (Krasch.) Krasch. accepted as Psychrogeton alexeenkoi Krasch.
Species Erigeron alinae (F.Muell.) Boerl. accepted as Vittadinia alinae F.Muell.
Species Erigeron alpestre Gardner accepted as Leptostelma maximum D.Don
Species Erigeron alpestris Hoppe ex Nyman accepted as Erigeron pulchellus Michx.
Species Erigeron alpestris Gardner accepted as Leptostelma maximum D.Don
Species Erigeron alpicola (Makino) Makino accepted as Erigeron thunbergii subsp. glabratus (A.Gray) Hara
Species Erigeron alpinus Pursh accepted as Erigeron pulchellus Michx.
Species Erigeron alpinus Less. accepted as Erigeron pulchellus Michx.
Species Erigeron alpinus Lam. accepted as Erigeron acer L.
Species Erigeron alpinus Ledeb. accepted as Erigeron acer L.
Species Erigeron ambiguus (DC.) Sch.Bip. accepted as Erigeron bonariensis L.
Species Erigeron ambiguus Sch.Bip. ex Webb & Berthel. accepted as Erigeron bonariensis L.
Species Erigeron ambiguus F.Muell. accepted as Iotasperma australiense G.L.Nesom
Species Erigeron amorphoglossus Boiss. accepted as Psychrogeton amorphoglossus (Boiss.) Novopokr.
Species Erigeron amphibolus Ledeb. accepted as Erigeron caucasicus Steven
Species Erigeron amplexicaulis Hort. ex Poir. accepted as Erigeron philadelphicus Michx. accepted as Erigeron quercifolius Pursh accepted as Erigeron philadelphicus Michx.
Species Erigeron amplifolius Howell accepted as Erigeron eliceae
Species Erigeron andersonii A.Gray accepted as Oreostemma alpigenum var. andersonii (A.Gray) G.L.Nesom
Species Erigeron andinus Phil. accepted as Erigeron andicola DC.
Species Erigeron angulosus Gaudin accepted as Erigeron acris subsp. angulosus (Gaudin) Vacc.
Species Erigeron angustatus Nyman accepted as Erigeron acer L.
Species Erigeron angustatus (A.Gray) Greene accepted as Erigeron greenei G.L.Nesom
Species Erigeron angustifolius Phil. accepted as Erigeron myosotis Pers.
Species Erigeron angustifolius (A.Gray) Rydb. accepted as Erigeron glacialis var. glacialis
Species Erigeron anicularum Greene accepted as Erigeron glabellus Nutt.
Species Erigeron annuus (L.) Pers. accepted as Erigeron annuus (L.) Desf.
Species Erigeron annuus Sessé & Moc. accepted as Bellis annua L.
Species Erigeron anodontus Lunell accepted as Erigeron glabellus var. pubescens Hook.
Species Erigeron anomalus DC. accepted as Aster menthodorus (Benth.) Govaerts
Species Erigeron apenninianus Georgi accepted as Erigeron pulchellus Michx.
Species Erigeron apiculatus Greene accepted as Erigeron eximius Greene
Species Erigeron apurensis (Kunth) Griseb. accepted as Conyza laevigata (Rich.) Pruski
Species Erigeron aragonensis Vierh. accepted as Erigeron uniflorus subsp. aragonensis (Vierh.) O.Bolòs & Vigo
Species Erigeron araneosus Urb. accepted as Laennecia araneosa (Urb.) G.Sancho & Pruski
Species Erigeron araucanus Phil. accepted as Erigeron andicola DC.
Species Erigeron arctophilus Rech.f. accepted as Erigeron acer subsp. arctophilus (Rech.f.) Rech.f.
Species Erigeron arenarius Greene accepted as Erigeron bellidiastrum var. arenarius (Greene) G.L.Nesom
Species Erigeron argaeus Vierh. accepted as Erigeron cilicicus Boiss. ex Vierh.
Species Erigeron armenus Boiss. & Huet ex Boiss. accepted as Erigeron pulchellus Michx.
Species Erigeron artemisiifolius (Meyen & Walp.) Sch.Bip. accepted as Laennecia artemisiifolia (Meyen & Walp.) G.L.Nesom
Species Erigeron arthrotrichus Hiern accepted as Felicia welwitschii (Hiern) Grau
Species Erigeron asper Nutt. accepted as Erigeron glabellus var. glabellus Nutt.
Species Erigeron asperum Nutt. accepted as Erigeron glabellus var. glabellus Nutt.
Species Erigeron asteroides Roxb. accepted as Erigeron sublyratus Roxb. ex DC.
Species Erigeron asteroides Andrz. ex Besser accepted as Erigeron acris subsp. podolicus (Besser) Nyman
Species Erigeron asteroides Hoppe ex Nyman accepted as Erigeron pulchellus Michx.
Species Erigeron aucheri (DC.) Boiss. accepted as Erigeron khorassanicus Boiss.
Species Erigeron austiniae Greene accepted as Erigeron chrysopsidis var. austiniae (Greene) Cronquist
Species Erigeron australis Phil. accepted as Symphyotrichum glabrifolium (DC.) G.L.Nesom
Species Erigeron awapensis S.L.Welsh accepted as Erigeron abajoensis Cronquist
Species Erigeron bakeri Wooton & Standl. accepted as Erigeron subtrinervis Rydb. ex Porter & Britton
Species Erigeron bellidioides Spenn. accepted as Bellis annua L.
Species Erigeron benghalensis (B.Heyne ex DC.) M.R.Almeida accepted as Erigeron sublyratus Roxb. ex DC.
Species Erigeron berteroanus DC. accepted as Erigeron fasciculatus Colla
Species Erigeron bethlehemi Schoepf accepted as Erigeron pulchellus Michx.
Species Erigeron biflorus Phil. accepted as Erigeron andicola DC.
Species Erigeron bistiensis G.L.Nesom & Hevron accepted as Erigeron pulcherrimus A.Heller
Species Erigeron bithynicus Vierh. accepted as Erigeron pulchellus Michx.
Species Erigeron bizgensis Rech.f. accepted as Psychrogeton amorphoglossus (Boiss.) Novopokr.
Species Erigeron blanchetii Sch.Bip. ex Baker accepted as Apopyros corymbosus (Hook. & Arn.) G.L.Nesom
Species Erigeron blasdalei Greene accepted as Erigeron foliosus var. hartwegii (Greene) Jeps.
Species Erigeron blepharophyllus S.F.Blake accepted as Oritrophium blepharophyllum (S.F.Blake) Cuatrec.
Species Erigeron bonplandii Buchanan accepted as Celmisia bonplandii (Buchanan) Allan
Species Erigeron bovei (DC.) Boiss. accepted as Doellia bovei (DC.) Anderb.
Species Erigeron brachycephalus H.Lindb. accepted as Erigeron acris subsp. brachycephalus (H.Lindb.) Hiitonen
Species Erigeron brandegeei A.Gray accepted as Erigeron concinnus var. concinnus (Hook. & Arn.) Torr. & A.Gray
Species Erigeron brazoensis Buckley accepted as Erigeron foliosus var. foliosus Nutt.
Species Erigeron brevicaulis Phil. accepted as Erigeron leptopetalus Phil.
Species Erigeron brittonianus Rusby accepted as Erigeron rosulatus Wedd.
Species Erigeron cabrerae Solbrig accepted as Erigeron andicola DC.
Species Erigeron cabrerae Dittrich accepted as Erigeron calderae A.Hansen
Species Erigeron caldasii Cuatrec. accepted as Erigeron ecuadoriensis Hieron.
Species Erigeron californicus Jeps. accepted as Lachnophyllum noeanum Boiss.
Species Erigeron callianthemus Greene accepted as Erigeron glacialis var. glacialis
Species Erigeron camphoratus L. accepted as Pluchea foetida (L.) DC.
Species Erigeron camporum (Gardner) Sch.Bip. ex Benth. & Hook.f. accepted as Inulopsis camporum (Gardner) G.L.Nesom
Species Erigeron camporum Sch.Bip. ex Baker accepted as Inulopsis camporum (Gardner) G.L.Nesom
Species Erigeron canadensis Brot. accepted as Erigeron rufescens Link ex Steud.
Species Erigeron canadensis Ten. accepted as Erigeron bonariensis L.
Species Erigeron canariensis Šída accepted as Erigeron calderae A.Hansen
Species Erigeron candidissimus Rech.f. & Edelb. accepted as Psychrogeton candidissimus (Rech.f. & Edelb.) Grierson
Species Erigeron candidus Widder accepted as Erigeron glabratus subsp. candidus (Widder)
Species Erigeron candollei F.Muell. accepted as Minuria denticulata (DC.) Benth.
Species Erigeron candollei F.Muell. ex Benth. accepted as Minuria denticulata (DC.) Benth.
Species Erigeron canescens (Hook.) Torr. & A.Gray accepted as Erigeron caespitosus Nutt.
Species Erigeron canescens Parry ex A.Gray accepted as Erigeron ochroleucus Nutt.
Species Erigeron canescens Hook. & Arn. (unaccepted)
Species Erigeron capensis Houtt. (unaccepted)
Species Erigeron cardaminifolius (Kunth) Wedd. (unaccepted)
Species Erigeron carolinensis Crantz (unaccepted)
Species Erigeron carolinianus L. (unaccepted)
Species Erigeron carpaticus Griseb. & Schenk (unaccepted)
Species Erigeron carringtoniae S.L.Welsh (unaccepted)
Species Erigeron catharinensis Cabrera (unaccepted)
Species Erigeron chelanensis H.St.John (unaccepted)
Species Erigeron chilensis (Spreng.) D.Don ex G.Don (unaccepted)
Species Erigeron chilensis (Spreng.) D.Don ex Loudon (unaccepted)
Species Erigeron chinensis Siebold ex DC. (unaccepted)
Species Erigeron chinensis Jacq. (unaccepted)
Species Erigeron ciliaris Phil. (unaccepted)
Species Erigeron ciliaris Miq. (unaccepted)
Species Erigeron ciliatus Ledeb. (unaccepted)
Species Erigeron cinarescens Wedd. (unaccepted)
Species Erigeron cinerascens Sch.Bip. (unaccepted)
Species Erigeron cinerascens Sch.Bip. ex Wedd. (unaccepted)
Species Erigeron cinereus A.Gray (unaccepted)
Species Erigeron clematideus Sch.Bip. ex Walp. (unaccepted)
Species Erigeron cochinchinensis Lour. (unaccepted)
Species Erigeron cochinchinensis Spreng. ex DC. (unaccepted)
Species Erigeron cochlearifolius Phil. (unaccepted)
Species Erigeron cocuyensis Cuatrec. (unaccepted)
Species Erigeron colinensis Phil. (unaccepted)
Species Erigeron colomexicanus A.Nelson (unaccepted)
Species Erigeron coma-aurea Sch.Bip. (unaccepted)
Species Erigeron commixtus Greene (unaccepted)
Species Erigeron conchophyllus Walp. (unaccepted)
Species Erigeron condensatus (D.C.Eaton) Greene (unaccepted)
Species Erigeron confinis Howell (unaccepted)
Species Erigeron congestus Greene (unaccepted)
Species Erigeron consanguineus (Ledeb.) Novopokr. (unaccepted)
Species Erigeron consanguineus (Phil.) Cabrera (unaccepted)
Species Erigeron conspicuus Rydb. (unaccepted)
Species Erigeron contortus Desf. ex Pers. (unaccepted)
Species Erigeron controversus Greene (unaccepted)
Species Erigeron copelandii Eastw. (unaccepted)
Species Erigeron coranopifolius Clémenc. ex Willk. & Lange (unaccepted)
Species Erigeron cordatus (Kuntze) Cabrera (unaccepted)
Species Erigeron corymbosus Wallr. (unaccepted)
Species Erigeron covillei Greene (unaccepted)
Species Erigeron coxii Phil. (unaccepted)
Species Erigeron crispulus Borbás (unaccepted)
Species Erigeron crispus Pourr. (unaccepted)
Species Erigeron crocifolius (Kunth) Wedd. (unaccepted)
Species Erigeron curvifolius Piper (unaccepted)
Species Erigeron cuspidatus Spreng. ex DC. (unaccepted)
Species Erigeron deamii B.L.Rob. (unaccepted)
Species Erigeron debilis (A.Gray) Rydb. (unaccepted)
Species Erigeron decoloratus H.Lindb. (unaccepted)
Species Erigeron decumbens Eastw. (unaccepted)
Species Erigeron decumbens Benth. (unaccepted)
Species Erigeron decurrens Vahl (unaccepted)
Species Erigeron decurrens DC. (unaccepted)
Species Erigeron delicatus Cronquist (unaccepted)
Species Erigeron delphinifolius A.Gray (unaccepted)
Species Erigeron deminutus Wooton & Standl. (unaccepted)
Species Erigeron dentatus Burm.f. (unaccepted)
Species Erigeron denticulatus Burm.f. (unaccepted)
Species Erigeron depilis Phil. (unaccepted)
Species Erigeron deustus Greene (unaccepted)
Species Erigeron dicladus Greene (unaccepted)
Species Erigeron dielsii (Vaniot) H.Lév. (unaccepted)
Species Erigeron diffusus Pers. (unaccepted)
Species Erigeron diplostephioides (DC.) Botsch. (unaccepted)
Species Erigeron discernendus Rech.f. (unaccepted)
Species Erigeron discoideus Kellogg (unaccepted)
Species Erigeron divaricatus Nutt. (unaccepted)
Species Erigeron divaricatus Michx. (unaccepted)
Species Erigeron divergens Hook. (unaccepted)
Species Erigeron diversifolius Cav. (unaccepted)
Species Erigeron diversifolius Rich. ex Rchb. (unaccepted)
Species Erigeron dolichostylus Botsch. (unaccepted)
Species Erigeron douglasii Torr. & A.Gray (unaccepted)
Species Erigeron droebachiensis O.F.Müll. (unaccepted)
Species Erigeron dubius (Thunb.) Makino (unaccepted)
Species Erigeron dubius Spreng. (unaccepted)
Species Erigeron dusenii Vierh. (unaccepted)
Species Erigeron eastwoodiae Wooton & Standl. (unaccepted)
Species Erigeron echioides Sch.Bip. ex Schweinf. (unaccepted)
Species Erigeron echioides Sch.Bip. (unaccepted)
Species Erigeron eldensis Greene (unaccepted)
Species Erigeron elkoensis A.Nelson & J.F.Macbr. (unaccepted)
Species Erigeron elongatiformis (Novopokr.) Serg. (unaccepted)
Species Erigeron elongatus Moench (unaccepted)
Species Erigeron elongatus Ledeb. (unaccepted)
Species Erigeron erianthus Speg. (unaccepted)
Species Erigeron eriocephalus Regel & Schmalh. (unaccepted)
Species Erigeron eriophyllus A.Gray (unaccepted)
Species Erigeron eucephaloides Greene (unaccepted)
Species Erigeron expansus Poepp. ex Spreng. (unaccepted)
Species Erigeron exstipulatus Schumach. & Thonn. (unaccepted)
Species Erigeron faetidus Burm.f. (unaccepted)
Species Erigeron farreri (W.W.Sm. & Jeffrey) Botsch. (unaccepted)
Species Erigeron feddei (H.Lév. & Vaniot) Botsch. (unaccepted)
Species Erigeron fernandezianus (Colla) Harling (unaccepted)
Species Erigeron fernandezianus (Colla) Solbrig (unaccepted)
Species Erigeron fernandezii Phil. (unaccepted)
Species Erigeron ferrugineus Wedd. (unaccepted > junior subjective synonym)
Species Erigeron filiformis Spreng. (unaccepted)
Species Erigeron flagellaris Boiss. & Hausskn. ex Boiss. (unaccepted)
Species Erigeron flagellifolius Cabrera (unaccepted)
Species Erigeron flahaultianus Thell. (unaccepted)
Species Erigeron flexuosus Cronquist (unaccepted)
Species Erigeron florifer Hook. (unaccepted)
Species Erigeron foetidus L. (unaccepted)
Species Erigeron foliosissimus Greene (unaccepted)
Species Erigeron fragilis Greene (unaccepted)
Species Erigeron frigidum Wedd. (unaccepted)
Species Erigeron frigidus Boiss. & Buhse ex Boiss. (unaccepted)
Species Erigeron frigidus Wedd. (unaccepted)
Species Erigeron frondeus Greene (unaccepted)
Species Erigeron fruticetorum Rydb. (unaccepted)
Species Erigeron fruticosus DC. (unaccepted)
Species Erigeron funkii Sch.Bip. ex Nyman (unaccepted)
Species Erigeron furcatus Greene (unaccepted)
Species Erigeron gardneri Cabrera (unaccepted)
Species Erigeron gaudichaudii DC. (unaccepted)
Species Erigeron gaudinii Brügger (unaccepted)
Species Erigeron gayanum Remy (unaccepted)
Species Erigeron glaber Hoppe ex Nyman (unaccepted)
Species Erigeron glaberrimus Scheele ex Nyman (unaccepted)
Species Erigeron glabratus Hoppe & Hornsch. ex Bluff & Fingerh. (unaccepted)
Species Erigeron glabratus Hook. (unaccepted)
Species Erigeron glabratus endr. ex Willk. & Lange (unaccepted)
Species Erigeron glabrifolius DC. (unaccepted)
Species Erigeron glacialis Fisch. ex Herder (unaccepted)
Species Erigeron glandulosus Porter (unaccepted)
Species Erigeron glandulosus Hegetschw. (unaccepted)
Species Erigeron glandulosus Poir. (unaccepted)
Species Erigeron glaucifolius Kuntze (unaccepted)
Species Erigeron glomeratus Salisb. (unaccepted)
Species Erigeron glomeratus Spreng. ex DC. (unaccepted)
Species Erigeron glutinosus Desf. (unaccepted)
Species Erigeron glutinosus L. (unaccepted)
Species Erigeron gormanii Greene (unaccepted)
Species Erigeron gouanii Jacq. (unaccepted)
Species Erigeron gracillimus Greene (unaccepted)
Species Erigeron gramineum L. (unaccepted)
Species Erigeron gramineus Falk (unaccepted)
Species Erigeron gramineus L. (unaccepted)
Species Erigeron graminifolius Pall. ex Herder (unaccepted)
Species Erigeron graminifolius Phil. (unaccepted)
Species Erigeron graminosus russ. ex DC. (unaccepted)
Species Erigeron grandiflorus Hoppe ex DC. (unaccepted)
Species Erigeron grandiflorus Nutt. (unaccepted)
Species Erigeron grandiflorus Willd. ex Spreng. (unaccepted)
Species Erigeron grantii Oliv. & Hiern (unaccepted)
Species Erigeron graveolens L. (unaccepted)
Species Erigeron grayi Wooton & Standl. (unaccepted)
Species Erigeron grayi A.Heller (unaccepted)
Species Erigeron gulielmi Greene (unaccepted)
Species Erigeron gunnii (Hook.f.) Hook.f. (unaccepted)
Species Erigeron gusalakensis Rech.f. & Edelb. (unaccepted)
Species Erigeron gypsophilus B.L.Turner (unaccepted)
Species Erigeron hartwegii Greene (unaccepted)
Species Erigeron hesperocallis Greene (unaccepted)
Species Erigeron heterophyllus Muhl. ex Willd. (unaccepted)
Species Erigeron heterotrichus Hara (unaccepted)
Species Erigeron hieracifolia Poir. (unaccepted)
Species Erigeron hieracifolium D.Don (unaccepted)
Species Erigeron hieracifolius D.Don (unaccepted)
Species Erigeron hieraciifolius Poir. (unaccepted)
Species Erigeron hieracioides Wedd. (unaccepted > junior subjective synonym)
Species Erigeron higginsii S.L.Welsh (unaccepted)
Species Erigeron hirsutus Pursh (unaccepted)
Species Erigeron hirsutus Bluff & Fingerh. (unaccepted)
Species Erigeron hirtellus DC. (unaccepted)
Species Erigeron hirtopilosus Hieron. (unaccepted)
Species Erigeron hirtuosus Greene (unaccepted)
Species Erigeron hirtus Thunb. (unaccepted)
Species Erigeron hispidissimus (Hook.) Piper (unaccepted)
Species Erigeron hispidus Nutt. (unaccepted)
Species Erigeron hispidus DC. (unaccepted)
Species Erigeron hochstetteri (Sch.Bip. ex A.Rich.) Sch.Bip. (unaccepted)
Species Erigeron hochstetteri (Sch.Bip. ex A.Gray) Sch.Bip. ex Schweinf. (unaccepted)
Species Erigeron howardii M.E.Jones (unaccepted)
Species Erigeron huachucanus Greene (unaccepted)
Species Erigeron huberi S.L.Welsh & N.D.Atwood (unaccepted)
Species Erigeron huelsenii Vatke (unaccepted)
Species Erigeron humilis Spreng. ex DC. (unaccepted)
Species Erigeron hybridus Hieron. (unaccepted)
Species Erigeron hyemalis Raf. (unaccepted)
Species Erigeron hypoleucus (A.Rich.) Sch.Bip. (unaccepted)
Species Erigeron hypoleucus (A.Rich.) Sch.Bip. ex Schweinf. & Asch. (unaccepted)
Species Erigeron hyssopifolius Sch.Bip. (unaccepted)
Species Erigeron ibari Phil. (unaccepted)
Species Erigeron inamoenus A.Nelson (unaccepted)
Species Erigeron incanescens Rydb. (unaccepted)
Species Erigeron incanum Vahl (unaccepted)
Species Erigeron incisum Thunb. (unaccepted)
Species Erigeron incisus Sieber ex DC. (unaccepted)
Species Erigeron incomptus A.Gray (unaccepted)
Species Erigeron inconspicuus MacMill. (unaccepted)
Species Erigeron integrifolius Bertol. (unaccepted)
Species Erigeron intermedius trachs. ex Dalla Torre (unaccepted)
Species Erigeron intermedius Rchb. (unaccepted)
Species Erigeron intermedius Nyman (unaccepted)
Species Erigeron inuloides Poir. (unaccepted)
Species Erigeron iodanthus Greene (unaccepted)
Species Erigeron jacinteus H.M.Hall (unaccepted)
Species Erigeron japonicus Thunb. (unaccepted)
Species Erigeron jucundus Greene (unaccepted)
Species Erigeron jussievi Spreng. (unaccepted)
Species Erigeron kamtschaticus DC. (unaccepted)
Species Erigeron karatavicus Pavlov (unaccepted)
Species Erigeron kazachstanicus Serg. (unaccepted)
Species Erigeron keredjensis Bornm. & Gauba (unaccepted)
Species Erigeron kermanensis Rech.f. (unaccepted)
Species Erigeron kindbergii Greene (unaccepted)
Species Erigeron koelzianus Rech.f. (unaccepted)
Species Erigeron koidzumii Honda (unaccepted)
Species Erigeron koraginensis (Kom.) Botsch. (unaccepted)
Species Erigeron korotkyi Novopokr. (unaccepted)
Species Erigeron kotschyi Boiss. (unaccepted)
Species Erigeron kraussii Sch.Bip. ex Walp. (unaccepted)
Species Erigeron lacarensis Phil. (unaccepted)
Species Erigeron laetevirens Rydb. (unaccepted)
Species Erigeron laevigatus Rich. (unaccepted)
Species Erigeron lancifolius Hook.f. (unaccepted)
Species Erigeron lapiluteus A.Nelson (unaccepted)
Species Erigeron larrainianus (J.Rémy) Cabrera (unaccepted)
Species Erigeron latisquamatus Maxim. (unaccepted)
Species Erigeron latisquamus Boiss. (unaccepted)
Species Erigeron lavandulaceus Greene (unaccepted)
Species Erigeron lehmannii Hieron. (unaccepted)
Species Erigeron lehmannii Boiss. (unaccepted)
Species Erigeron leiophyllus Greene (unaccepted)
Species Erigeron leschenaultii DC. (unaccepted)
Species Erigeron leucanthemoides Greene (unaccepted)
Species Erigeron leucanthus D.Don (unaccepted)
Species Erigeron leucophyllus (Sch.Bip. ex A.Rich.) Schweinf. (unaccepted)
Species Erigeron leucophyllus (Bunge) Boiss. (unaccepted)
Species Erigeron leucotrichus Rydb. (unaccepted)
Species Erigeron liatroides Turcz. (unaccepted)
Species Erigeron limnophilus Sch.Bip. (unaccepted)
Species Erigeron linearifolius Cav. (unaccepted)
Species Erigeron linearis Spreng. ex DC. (unaccepted)
Species Erigeron linifolius Willd. (unaccepted)
Species Erigeron linifolius Bertero ex DC. (unaccepted)
Species Erigeron linosyris Clairv. (unaccepted)
Species Erigeron litoralis (Phil.) Skottsb. (unaccepted)
Species Erigeron longifolius Baill. (unaccepted)
Species Erigeron longifolius Brouss. ex Webb & Berthel. (unaccepted)
Species Erigeron longifolius Desf. (unaccepted)
Species Erigeron looseri Herter (unaccepted)
Species Erigeron loratus Greene (unaccepted)
Species Erigeron lorentzii (Griseb.) Cabrera (unaccepted)
Species Erigeron loxensis Hieron. (unaccepted)
Species Erigeron lucidus Greene (unaccepted)
Species Erigeron lumbricoides Gilli (unaccepted)
Species Erigeron luteus A.Nelson (unaccepted)
Species Erigeron lyratum (Kunth) Gomez (unaccepted)
Species Erigeron lyratus (Kunth) M.Gómez (unaccepted)
Species Erigeron macdougalii A.Heller (unaccepted)
Species Erigeron macer (F.Muell.) Boerl. (unaccepted)
Species Erigeron macounii Greene (unaccepted)
Species Erigeron macranthus Nutt. (unaccepted)
Species Erigeron macrophyllus Herbich (unaccepted)
Species Erigeron macrorrhizus (Sch.Bip. ex A.Rich.) Sch.Bip. ex Schweinf. (unaccepted)
Species Erigeron macrorrhizus (Sch.Bip. ex A.Rich.) Sch.Bip. (unaccepted)
Species Erigeron mairei Braun-Blanq. (unaccepted)
Species Erigeron maritimus Nutt. (unaccepted)
Species Erigeron matthiolifolius Parsa (unaccepted)
Species Erigeron maximus (D.Don) Otto ex DC. (unaccepted)
Species Erigeron membranaceus Greene (unaccepted)
Species Erigeron mendocinus Greene (unaccepted)
Species Erigeron mesatlanticus Maire (unaccepted)
Species Erigeron mespilifolius Sch.Bip. ex Walp. (unaccepted)
Species Erigeron mexiae K.M.Becker (unaccepted)
Species Erigeron meyeri Cabrera (unaccepted)
Species Erigeron microglossus S.F.Blake (unaccepted)
Species Erigeron microlonchus Greene (unaccepted)
Species Erigeron mildbraedii Muschl. (unaccepted)
Species Erigeron minjanensis Rech.f. (unaccepted)
Species Erigeron minor (Hook.) Rydb. (unaccepted)
Species Erigeron mirus Auct. (unaccepted)
Species Erigeron miyagii (Koidz.) Honda (unaccepted)
Species Erigeron mogollonicus Greene (unaccepted)
Species Erigeron mollis DC. (unaccepted)
Species Erigeron mollis D.Don (unaccepted)
Species Erigeron mollissimus Rech.f. & Köie (unaccepted)
Species Erigeron monocephalus Schur (unaccepted)
Species Erigeron monorchis Griseb. (unaccepted)
Species Erigeron montanensis Rydb. (unaccepted)
Species Erigeron montevidensis Baker (unaccepted)
Species Erigeron montevidensis Spreng. (unaccepted)
Species Erigeron mucronatus DC. (unaccepted)
Species Erigeron muelleri Lund ex Nyman (unaccepted)
Species Erigeron multicaulis Wall. ex DC. (unaccepted)
Species Erigeron multicolor Lunell (unaccepted)
Species Erigeron multifidus Rydb. (unaccepted)
Species Erigeron multiflorus Hook. & Arn. (unaccepted)
Species Erigeron muralis Lapeyr. (unaccepted)
Species Erigeron musashensis Makino (unaccepted)
Species Erigeron myosotis J.Rémy (unaccepted)
Species Erigeron myosotoides Juss. ex Pers. (unaccepted)
Species Erigeron myriocephalus Rech.f. & Edelb. (unaccepted)
Species Erigeron myriocephalus (J.Rémy) Herter (unaccepted)
Species Erigeron myrionactis Small (unaccepted)
Species Erigeron nabidshonii Kamelin (unaccepted)
Species Erigeron nanus Schur (unaccepted)
Species Erigeron nanus Sch.Bip. ex Schweinf. & Asch. (unaccepted)
Species Erigeron natalensis Sch.Bip. (unaccepted)
Species Erigeron natalensis Sch.Bip. ex Walp. (unaccepted)
Species Erigeron naudinii (Bonnet) Humbert (unaccepted)
Species Erigeron naudinii (Bonnet) Bonnier (unaccepted)
Species Erigeron naudinii (Bonnet) P.Fourn. (unaccepted)
Species Erigeron nelsonii Greene (unaccepted)
Species Erigeron nemophilus Greene (unaccepted)
Species Erigeron nervosus Willd. (unaccepted)
Species Erigeron nevadensis Wedd. (unaccepted)
Species Erigeron nevadensis A.Gray (unaccepted)
Species Erigeron nevadincola S.F.Blake (unaccepted)
Species Erigeron nigromontanus Boiss. & Buhse (unaccepted)
Species Erigeron nivalis Boiss. (unaccepted)
Species Erigeron niveus Sch.Bip. (unaccepted)
Species Erigeron notobellidiastrum (Griseb.) S.F.Blake (unaccepted)
Species Erigeron novae-zealandiae Buchanan (unaccepted)
Species Erigeron nubigenus Phil. (unaccepted)
Species Erigeron nudatus A.Gray (unaccepted)
Species Erigeron nudicaulis Michx. (unaccepted)
Species Erigeron nudiscapus Sch.Bip. (unaccepted)
Species Erigeron nuttallii A.Heller (unaccepted)
Species Erigeron oblanceolatus Rydb. (unaccepted)
Species Erigeron obliquus L. (unaccepted)
Species Erigeron obovatus Spreng. ex DC. (unaccepted)
Species Erigeron obovatus (Benth.) Boiss. (unaccepted)
Species Erigeron ochroleucus D.C.Eaton (unaccepted)
Species Erigeron oharae (Nakai) Botsch. (unaccepted)
Species Erigeron olgae Regel & Schmalh. (unaccepted)
Species Erigeron oligocephalus (Schrenk) B.Fedtsch. (unaccepted)
Species Erigeron oligodontus Lunell (unaccepted)
Species Erigeron orientalis Boiss. (unaccepted)
Species Erigeron orizabensis Sch.Bip. ex Klatt (unaccepted)
Species Erigeron ortegae S.F.Blake (unaccepted)
Species Erigeron pacayensis Greenm. (unaccepted)
Species Erigeron pachyrhizus Greene (unaccepted)
Species Erigeron pacificus Howell (unaccepted)
Species Erigeron paghmanicus Rech.f. (unaccepted)
Species Erigeron palustre Gardner (unaccepted)
Species Erigeron palustris Gardner (unaccepted)
Species Erigeron pampeanus Parodi (unaccepted)
Species Erigeron paniculatus Meig. & Wenig. (unaccepted)
Species Erigeron paniculatus Lam. (unaccepted)
Species Erigeron paramensis Aristeg. & Cuatrec. (unaccepted)
Species Erigeron patens Greene (unaccepted)
Species Erigeron patentisquama Jeffrey (unaccepted)
Species Erigeron pauciflorus Less. (unaccepted)
Species Erigeron pauciflorus Hook. & Arn. (unaccepted)
Species Erigeron paucifolius Less. ex Baker (unaccepted)
Species Erigeron pazensis Sch.Bip. (unaccepted)
Species Erigeron peasei Rydb. (unaccepted)
Species Erigeron pecosensis Standl. (unaccepted)
Species Erigeron pedatus Nutt. (unaccepted)
Species Erigeron pellitus Hieron. (unaccepted)
Species Erigeron pellitus (Kunth) Wedd. (unaccepted)
Species Erigeron perennis (L.) Sessé & Moc. (unaccepted)
Species Erigeron perglaber S.F.Blake (unaccepted)
Species Erigeron persicariifolius Benth. (unaccepted)
Species Erigeron persicifolius Benth. (unaccepted)
Species Erigeron persicus Boiss. (unaccepted)
Species Erigeron peruvianus (Lam.) Cuatrec. (unaccepted)
Species Erigeron petrocallis Greene (unaccepted)
Species Erigeron peucephyllus A.Gray (unaccepted)
Species Erigeron philadelphicus Lour. (unaccepted)
Species Erigeron philadelphicus Michx. (unaccepted)
Species Erigeron philippi Sch.Bip. (unaccepted)
Species Erigeron philippii Sch.Bip. ex Wedd. (unaccepted)
Species Erigeron phoenicodontus S.F.Blake (unaccepted)
Species Erigeron pilosus Wall. (unaccepted)
Species Erigeron pilosus Walter (unaccepted)
Species Erigeron pinetorum Urb. (unaccepted)
Species Erigeron pinifolius Poir. (unaccepted)
Species Erigeron pinnatifidum Thunb. (unaccepted)
Species Erigeron pinnatifidus D.Don (unaccepted)
Species Erigeron pinnatus Turcz. (unaccepted)
Species Erigeron pinnatus L.f. (unaccepted)
Species Erigeron plantagineus Greene (unaccepted)
Species Erigeron plateauensis Cronquist (unaccepted)
Species Erigeron platensis Speg. (unaccepted)
Species Erigeron platylepis Vierh. (unaccepted)
Species Erigeron plurifolius Botsch. (unaccepted)
Species Erigeron podolicus Besser (unaccepted)
Species Erigeron poeppigii DC. (unaccepted)
Species Erigeron politus Fr. (unaccepted)
Species Erigeron polyadenus Rech.f. & Köie (unaccepted)
Species Erigeron polymorphus Scop. (unaccepted)
Species Erigeron polyphyllus Phil. (unaccepted)
Species Erigeron popayanensis Hieron. (unaccepted)
Species Erigeron porphyreticus M.E.Jones (unaccepted)
Species Erigeron porteri S.F.Blake (unaccepted)
Species Erigeron praecox Vierh. & Hand.-Mazz. (unaccepted)
Species Erigeron prantlii Dalla Torre (unaccepted)
Species Erigeron pratensis Phil. (unaccepted)
Species Erigeron primulifolia Juss. ex Cass. (unaccepted > junior subjective synonym)
Species Erigeron primulifolius (Lam.) Greuter (unaccepted)
Species Erigeron primulifolius Juss. ex Cass. (unaccepted > junior subjective synonym)
Species Erigeron primuloides Popov (unaccepted)
Species Erigeron proselyticus G.L.Nesom (unaccepted)
Species Erigeron provancheri Vict. & J.Rousseau (unaccepted)
Species Erigeron pseuderigeron (Bunge) Popov ex Novopokr. (unaccepted)
Species Erigeron pseudoacris Schur (unaccepted)
Species Erigeron pseudocrispus Pierrot (unaccepted)
Species Erigeron pseudoelongatus Botsch. (unaccepted)
Species Erigeron pseudoneglectus Popov (unaccepted)
Species Erigeron psychrogeton Popov (unaccepted)
Species Erigeron pugae Phil. (unaccepted)
Species Erigeron pulchellus Turcz. (unaccepted)
Species Erigeron pulchellus (Willd.) DC. (unaccepted)
Species Erigeron pulvinatus Rydb. (unaccepted)
Species Erigeron pulvinatus Wedd. (unaccepted)
Species Erigeron purpureus Aiton (unaccepted)
Species Erigeron purpuripes Britton & P.Wilson (unaccepted)
Species Erigeron pusillus Nutt. (unaccepted)
Species Erigeron pusillus Lehm. (unaccepted)
Species Erigeron pycnotrichus Schott & Kotschy ex Tchich. (unaccepted)
Species Erigeron pyrami Botsch. (unaccepted)
Species Erigeron pyrenaicus (Desf. ex DC.) Rouy (unaccepted)
Species Erigeron pyrenaicus (Pourr.) A.W.Hill (unaccepted)
Species Erigeron pyrifolius (Lam.) Benth. (unaccepted)
Species Erigeron pyrrhopappus (Sch.Bip. ex A.Rich.) Sch.Bip. ex Schweinf. (unaccepted)
Species Erigeron pyrrhopappus (Sch.Bip. ex A.Rich.) Sch.Bip. (unaccepted)
Species Erigeron quercifolius DC. (unaccepted)
Species Erigeron quercifolius Pursh (unaccepted)
Species Erigeron racemosus Nutt. (unaccepted)
Species Erigeron radiosus Spreng. ex DC. (unaccepted)
Species Erigeron ramosus Raf. (unaccepted)
Species Erigeron ramosus (Walter) Britton, Sterns & Poggenb. (unaccepted)
Species Erigeron rapensis F.Br. (unaccepted)
Species Erigeron regalis Greene (unaccepted)
Species Erigeron regnellii Sch.Bip. (unaccepted)
Species Erigeron remyanus Wedd. (unaccepted)
Species Erigeron remyi (A.Gray) Drake (unaccepted)
Species Erigeron repens (Kunth) Wedd. (unaccepted)
Species Erigeron repens A.Gray (unaccepted)
Species Erigeron resinosus Spreng. (unaccepted)
Species Erigeron rhodopaeus (Vierh.) Hayek (unaccepted)
Species Erigeron rivularis Sw. (unaccepted)
Species Erigeron rivularis Spreng. ex DC. (unaccepted)
Species Erigeron robertianus Greene (unaccepted)
Species Erigeron robustum Boiss. (unaccepted)
Species Erigeron rubicundus Greene (unaccepted)
Species Erigeron ruderalis Salisb. (unaccepted)
Species Erigeron rudis Wooton & Standl. (unaccepted)
Species Erigeron runcinatus Bertero ex DC. (unaccepted)
Species Erigeron rupestris Hoppe ex DC. (unaccepted)
Species Erigeron rupestris Gremli (unaccepted)
Species Erigeron rupestris (Popov) Popov ex Novopokr. (unaccepted)
Species Erigeron rusbyi A.Gray (unaccepted)
Species Erigeron rutilus Poir. (unaccepted)
Species Erigeron salicinus Rydb. (unaccepted)
Species Erigeron sanglichensis Rech.f. & Edelb. (unaccepted)
Species Erigeron sanguineus Parsa (unaccepted)
Species Erigeron scaber Thunb. (unaccepted)
Species Erigeron scaber Willd. ex Spreng. (unaccepted)
Species Erigeron scaber Pers. (unaccepted)
Species Erigeron scaberrimum Gardner (unaccepted)
Species Erigeron scaberrimum (Less.) G.L.Nesom (unaccepted)
Species Erigeron scaberrimus Gardner (unaccepted)
Species Erigeron scaberulus Greene (unaccepted)
Species Erigeron scabiosifolius (J.Rémy) Herter (unaccepted)
Species Erigeron scabrum Thunb. (unaccepted)
Species Erigeron scandens Thunb. (unaccepted)
Species Erigeron scandinavicus Scheele ex Nyman (unaccepted)
Species Erigeron scaposus Torr. & A.Gray (unaccepted)
Species Erigeron scariosus Moench (unaccepted)
Species Erigeron scaturicola Fernald (unaccepted)
Species Erigeron schiedeanus Less. (unaccepted)
Species Erigeron schimperi Sch.Bip. ex Schweinf. (unaccepted)
Species Erigeron schimperi (Sch.Bip. ex A.Rich.) Sch.Bip. (unaccepted)
Species Erigeron schuechtii Sch.Bip. (unaccepted)
Species Erigeron schultzii Zoll. (unaccepted)
Species Erigeron scorzonerifolius J.Rémy (unaccepted)
Species Erigeron scotteri B.Boivin (unaccepted)
Species Erigeron scribneri Canby ex Rydb. (unaccepted)
Species Erigeron scribneri Canby ex Rydb. (unaccepted)
Section Erigeron sect. Caenotus Nutt. (unaccepted)
Section Erigeron sect. Conyza (L.) Baillon (unaccepted)
Section Erigeron sect. Oritrophium (Kunth) Benth. & Hook.f. (unaccepted)
Section Erigeron sect. Pterigeron DC. (unaccepted)
Section Erigeron sect. Spinosi (Alexander) G.L.Nesom & Sundberg (unaccepted)
Section Erigeron sect. Vittadinia (A.Rich.) Baill. (unaccepted)
Species Erigeron semiamplexicaule Meyen (unaccepted)
Species Erigeron semiamplexicaulis Meyen (unaccepted)
Species Erigeron semiovalis Urb. (unaccepted)
Species Erigeron semirasus Wooton & Standl. (unaccepted)
Species Erigeron seneciiformis S.F.Blake (unaccepted)
Species Erigeron senecio Sch.Bip. ex Webb & Berthel. (unaccepted)
Species Erigeron senecioides Wedd. (unaccepted)
Species Erigeron senilis Wooton & Standl. (unaccepted)
Species Erigeron septentrionalis (Fernald & Wiegand) Holub (unaccepted)
Species Erigeron serotinus Weihe (unaccepted)
Species Erigeron serpentarius Banks ex Steud. (unaccepted)
Species Erigeron serratus Forssk. (unaccepted)
Species Erigeron sessilifolius F.Muell. (unaccepted)
Species Erigeron setchellii Jeps. (unaccepted)
Species Erigeron setiferus Post ex Boiss. (unaccepted)
Species Erigeron setulosus Greene (unaccepted)
Species Erigeron shahvaricus Rech.f. (unaccepted)
Species Erigeron shepardii Post (unaccepted)
Species Erigeron siculus L. (unaccepted)
Species Erigeron simplex Greene (unaccepted)
Species Erigeron simulans Greene (unaccepted)
Species Erigeron smithii Rydb. (unaccepted)
Species Erigeron sodiroi Hieron. (unaccepted)
Species Erigeron solisaltator G.L.Nesom (unaccepted)
Species Erigeron sonnei Greene (unaccepted)
Species Erigeron sordidus Gillies ex Hook. & Arn. (unaccepted)
Species Erigeron spathulatus Wedd. (unaccepted)
Species Erigeron spathulatus Vahl (unaccepted)
Species Erigeron spathulifolius (Maxim.) H.S.Pak (unaccepted)
Species Erigeron spathulifolius Howell (unaccepted)
Species Erigeron spathulifolius Rydb. (unaccepted)
Species Erigeron sphaeroxylus Gilli (unaccepted)
Species Erigeron spiciformis Griseb. (unaccepted)
Species Erigeron spiculosus Hook. & Arn. (unaccepted)
Species Erigeron spinosus Sch.Bip. ex Schweinf. (unaccepted)
Species Erigeron spinulosus Phil. (unaccepted)
Species Erigeron sprengelii Sch.Bip. ex Walp. (unaccepted)
Species Erigeron squarrosus Lindl. (unaccepted)
Species Erigeron squarrosus Clairv. (unaccepted)
Species Erigeron squarrosus Walter (unaccepted)
Species Erigeron stapfianus Rech.f. (unaccepted)
Species Erigeron stenodon Rech.f. & Edelb. (unaccepted)
Species Erigeron stenophyllus D.C.Eaton (unaccepted)
Species Erigeron stenophyllus Nutt. (unaccepted)
Species Erigeron stenophyllus Hook. & Arn. (unaccepted)
Species Erigeron stenophyllus A.Gray (unaccepted)
Species Erigeron steudelii (Sch.Bip. ex A.Rich.) Sch.Bip. ex Schweinf. (unaccepted)
Species Erigeron stipulatus (unaccepted)
Species Erigeron stocksianus Boiss. (unaccepted)
Species Erigeron stolonifer Greene (unaccepted)
Species Erigeron striatus Greene (unaccepted)
Species Erigeron strictissimus Wender. (unaccepted)
Species Erigeron strictus DC. (unaccepted)
Species Erigeron strigosum Muhl. (unaccepted)
Species Erigeron stuebelii Hieron. (unaccepted)
Species Erigeron subandinus Phil. (unaccepted)
Species Erigeron subasper Greene (unaccepted)
Species Erigeron subcanescens Rydb. (unaccepted)
Species Erigeron subcostatus Lunell (unaccepted)
Species Erigeron subdecurrens Sch.Bip. ex A.Gray (unaccepted)
Species Erigeron subdecurrens A.Gray (unaccepted)
Species Erigeron subspicatus Benth. ex Benth. (unaccepted)
Species Erigeron sulcatum DC. (unaccepted)
Species Erigeron sulcatus Nees (unaccepted)
Species Erigeron sulcatus Meyen (unaccepted)
Species Erigeron sulcatus DC. (unaccepted)
Species Erigeron sullivanii Hook.f. (unaccepted)
Species Erigeron superbus Greene ex Rydb. (unaccepted)
Species Erigeron sylvestris M.E.Jones (unaccepted)
Species Erigeron tardus Lunell (unaccepted)
Species Erigeron telekii Schweinf. (unaccepted)
Species Erigeron tenellus Fisch. ex Herder (unaccepted)
Species Erigeron tener M.E.Jones (unaccepted)
Species Erigeron tenerrimus (Less.) Drake (unaccepted)
Species Erigeron tenuicaulis M.E.Jones (unaccepted)
Species Erigeron tenuifolius Hook.f. (unaccepted)
Species Erigeron tenuifolius Sch.Bip. (unaccepted)
Species Erigeron tenuissimus Greene (unaccepted)
Species Erigeron tephrodes Greene (unaccepted)
Species Erigeron tergoalbus Cuatrec. (unaccepted)
Species Erigeron tetrapleurus (A.Gray) A.Heller (unaccepted)
Species Erigeron thermarum (Phil.) Cabrera (unaccepted)
Species Erigeron thompsonii S.F.Blake ex J.W.Thomps. (unaccepted)
Species Erigeron tilingii Vorosch. (unaccepted)
Species Erigeron tonsus Wooton & Standl. (unaccepted)
Species Erigeron transsilvanicus Schur (unaccepted)
Species Erigeron traversii Shinners (unaccepted)
Species Erigeron tricuneatus L.f. (unaccepted)
Species Erigeron tridactylus DC. (unaccepted)
Species Erigeron trifurcatus (Less.) Gillies & Don ex Hook. & Arn. (unaccepted)
Species Erigeron trihecatactis S.F.Blake (unaccepted)
Species Erigeron trilobus Sond. (unaccepted)
Species Erigeron tripartitus S.F.Blake (unaccepted)
Species Erigeron triplinervis Sch.Bip. ex Baker (unaccepted)
Species Erigeron tripolioides Phil. (unaccepted)
Species Erigeron trisulcus D.Don (unaccepted)
Species Erigeron tsuneoi Tatew. (unaccepted)
Species Erigeron tuberosus L. (unaccepted)
Species Erigeron tucumanensis Cabrera (unaccepted)
Species Erigeron tunariensis Kuntze (unaccepted)
Species Erigeron turkestanicus (Regel & Schmalh.) O.Fedtsch. (unaccepted)
Species Erigeron turkestanicus Vierh. (unaccepted)
Species Erigeron turricola Skottsb. (unaccepted)
Species Erigeron tweediei Hook. & Arn. (unaccepted)
Species Erigeron tweedyanus Canby & Rose (unaccepted)
Species Erigeron uliginosus Turcz. ex Ledeb. (unaccepted)
Species Erigeron umbellatus Gilib. (unaccepted)
Species Erigeron unalaschkensis Less. (unaccepted)
Species Erigeron unalaschkensis (DC.) Vierh. (unaccepted)
Species Erigeron undulatus Moench (unaccepted)
Species Erigeron unifloroides Vierh. (unaccepted)
Species Erigeron uniflorus Sm. (unaccepted)
Species Erigeron uralensis Less. (unaccepted)
Species Erigeron ursinus Rech.f. (unaccepted)
Species Erigeron vahlii Gaudich. (unaccepted)
Species Erigeron variegatus (Sch.Bip. ex A.Rich.) Sch.Bip. (unaccepted)
Species Erigeron variegatus (Sch.Bip. ex A.Rich.) Sch.Bip. ex Schweinf. & Asch (unaccepted)
Species Erigeron varius Webb (unaccepted)
Species Erigeron venezuelensis Steyerm. (unaccepted)
Species Erigeron venustus Botsch. (unaccepted)
Species Erigeron vidalii Phil. (unaccepted)
Species Erigeron villarsii Bellardi (unaccepted)
Species Erigeron villarsii Willd. (unaccepted)
Species Erigeron villosulus Greene (unaccepted)
Species Erigeron villosus Steud. (unaccepted)
Species Erigeron vilmorinii (Franch.) Botsch. (unaccepted)
Species Erigeron virens russ. ex DC. (unaccepted)
Species Erigeron viscidulus (A.Gray) Greene (unaccepted)
Species Erigeron viscidus Rydb. (unaccepted)
Species Erigeron viscosus Desf. (unaccepted)
Species Erigeron viscosus L. (unaccepted)
Species Erigeron vittadinia F.Muell. (unaccepted)
Species Erigeron vulgaris Scheele ex Nyman (unaccepted)
Species Erigeron wahwahensis S.L.Welsh (unaccepted)
Species Erigeron weddellianus Hieron. (unaccepted)
Species Erigeron welwitschii Hiern (unaccepted)
Species Erigeron wendelboi Rech.f. (unaccepted)
Species Erigeron wightianus Wall. (unaccepted)
Species Erigeron wightii DC. (unaccepted)
Species Erigeron williamsii Phil. (unaccepted)
Species Erigeron wootonii Rydb. (unaccepted)
Species Erigeron wyomingensis A.Nelson (unaccepted)
Species Erigeron wyomingia Rydb. (unaccepted)
Species Erigeron yakimensis A.Nelson (unaccepted)
Species Erigeron yellowstonensis A.Nelson (unaccepted)
Species Erigeron zerdanus Boiss. (unaccepted)
Species Erigeron zothecinus S.L.Welsh (unaccepted)

Species Erigeron ×gypsophilus Beauverd (uncertain > unassessed)
Species Erigeron abruptorum Lunell (uncertain > unassessed)
Species Erigeron acomanus Spellenb. & P.J.Knight (uncertain > unassessed)
Species Erigeron acutatus Greene (uncertain > unassessed)
Species Erigeron adenolepis (Fernald) Semple (uncertain > unassessed)
Species Erigeron adscendens Turcz. (uncertain > unassessed)
Species Erigeron aequifolius H.M.Hall (uncertain > unassessed)
Species Erigeron albidus (Willd. ex Spreng.) Herter (uncertain > unassessed)
Species Erigeron algidus Jeps. (uncertain > unassessed)
Species Erigeron aliciae Howell (uncertain > unassessed)
Species Erigeron allisonii D.B.Poind., B.R.Keener & Noyes (uncertain > unassessed)
Species Erigeron allobrogorum Beauverd (uncertain > unassessed)
Species Erigeron allocotus S.F.Blake (uncertain > unassessed)
Species Erigeron alpinus Rchb. (uncertain > unassessed)
Species Erigeron alternifolius (Lawesson & Adsersen) N.Andrus & Tye (uncertain > unassessed)
Species Erigeron ambiguus Nutt. (uncertain > unassessed)
Species Erigeron amplexicaulis Desf. (uncertain > unassessed)
Species Erigeron amplexicaulis Sessé & Moc. (uncertain > unassessed)
Species Erigeron amplexicaulis Torr. ex Torr. & A.Gray (uncertain > unassessed)
Species Erigeron anchana G.L.Nesom (uncertain > unassessed)
Species Erigeron andryaloides (DC.) Benth. ex C.B.Clarke (uncertain > unassessed)
Species Erigeron andryaloides Boiss. (uncertain > unassessed)
Species Erigeron antonius Greene ex C.F.Baker (uncertain > unassessed)
Species Erigeron aprutii Vierh. (uncertain > unassessed)
Species Erigeron apurensis Kunth (uncertain > unassessed)
Species Erigeron arachnoideus Bornm. (uncertain > unassessed)
Species Erigeron arcticus Rouy (uncertain > unassessed)
Species Erigeron argentatus A.Gray (uncertain > unassessed)
Species Erigeron aristhales Phil. (uncertain > unassessed)
Species Erigeron artemisioides (Meyen & Walp.) Sch.Bip. (uncertain > unassessed)
Species Erigeron arthurii B.Boivin (uncertain > unassessed)
Species Erigeron asperulus Fisch. & C.A.Mey. (uncertain > unassessed)
Species Erigeron asteroides Wall. (uncertain > unassessed)
Species Erigeron asteroides Hort.Angl. ex Link (uncertain > unassessed)
Species Erigeron austinae Greene (uncertain > unassessed)
Species Erigeron australis Hornem. ex Spreng. (uncertain > unassessed)
Species Erigeron azurens Regel ex Popov (uncertain > unassessed)
Species Erigeron azureus Regel ex O.Fedtsch. & B.Fedtsch (uncertain > unassessed)
Species Erigeron bahamensis Scop. (uncertain > unassessed)
Species Erigeron bahamensis Reusch ex Colla (uncertain > unassessed)
Species Erigeron barbarensis G.L.Nesom & T.Van Devender (uncertain > unassessed)
Species Erigeron barbellulatus Greene (uncertain > unassessed)
Species Erigeron barcinonensis Sennen (uncertain > unassessed)
Species Erigeron basalticus Hoover (uncertain > unassessed)
Species Erigeron batumensis Vierh. ex Grossh. (uncertain > unassessed)
Species Erigeron bellidioides Benth. & Hook.f. (uncertain > unassessed)
Species Erigeron benzii Widder (uncertain > unassessed)
Species Erigeron bethlehemi Schöpf (uncertain > unassessed)
Species Erigeron beyrichii Hort.Berol. ex Torr. & A.Gray (uncertain > unassessed)
Species Erigeron biserialis Less. (uncertain > unassessed)
Species Erigeron bonariensis Hort. ex Link (uncertain > unassessed)
Species Erigeron bonjeani Colla (uncertain > unassessed)
Species Erigeron brachycomoides (F.Muell.) Boerl. (uncertain > unassessed)
Species Erigeron brandegeei Millsp. (uncertain > unassessed)
Species Erigeron breunius Murr (uncertain > unassessed)
Species Erigeron buchii Urb. (uncertain > unassessed)
Species Erigeron bungei Boiss. (uncertain > unassessed)
Species Erigeron burnatii F.O.Wolf (uncertain > unassessed)
Species Erigeron cabbrerae (uncertain > unassessed)
Species Erigeron calcicola (J.R.Allison) D.B.Poind., B.R.Keener & Noyes (uncertain > unassessed)
Species Erigeron calvus Coville (uncertain > unassessed)
Species Erigeron canescens Willd. (uncertain > unassessed)
Species Erigeron canescens Parry (uncertain > unassessed)
Species Erigeron capusi (Franch.) Novopokr. (uncertain > unassessed)
Species Erigeron caramanicus Bornm. (uncertain > unassessed)
Species Erigeron celakovskyi Rohlena (uncertain > unassessed)
Species Erigeron chanousii Vaccari ex Fiori (uncertain > unassessed)
Species Erigeron chrysocoma Walp. (uncertain > unassessed)
Species Erigeron cilicicus Boiss. ex Tchich. (uncertain > unassessed)
Species Erigeron cilicius Boiss. (uncertain > unassessed)
Species Erigeron ciliolatus Greene (uncertain > unassessed)
Species Erigeron cinereumus (uncertain > unassessed)
Species Erigeron collinus Sch.Bip. (uncertain > unassessed)
Species Erigeron columnaris G.L.Nesom (uncertain > unassessed)
Species Erigeron comonduanus Millsp. (uncertain > unassessed)
Species Erigeron conditii D.J.Keil (uncertain > unassessed)
Species Erigeron conjunctus Millsp. (uncertain > unassessed)
Species Erigeron consobrinus Greene (uncertain > unassessed)
Species Erigeron contortus Desf. (uncertain > unassessed)
Species Erigeron conyzoides Hunter ex Ridl. (uncertain > unassessed)
Species Erigeron coronopifolius Schrank (uncertain > unassessed)
Species Erigeron coronopifolius Clem. ex Sennen (uncertain > unassessed)
Species Erigeron corrales-molinensis Danton (uncertain > unassessed)
Species Erigeron corymbosus Nutt. (uncertain > unassessed)
Species Erigeron coulteri Porter & J.M.Coult. (uncertain > unassessed)
Species Erigeron coxii Phil. (uncertain > unassessed)
Species Erigeron crassicaulis Sch.Bip. (uncertain > unassessed)
Species Erigeron crenatus Eastw. ex I.M.Johnst. (uncertain > unassessed)
Species Erigeron croaticum Gand. (uncertain > unassessed)
Species Erigeron croaticus Gand. (uncertain > unassessed)
Species Erigeron cronquistii Maguire (uncertain > unassessed)
Species Erigeron culbertsonii Greene ex C.F.Baker (uncertain > unassessed)
Species Erigeron cupularoides Freyn (uncertain > unassessed)
Species Erigeron cymosus Walter (uncertain > unassessed)
Species Erigeron darentssiaticus Beauverd (uncertain > unassessed)
Species Erigeron daveauiana (uncertain > unassessed)
Species Erigeron decipiens Beauverd (uncertain > unassessed)
Species Erigeron deserticola Phil. (uncertain > unassessed)
Species Erigeron dianthifolius Griseb. (uncertain > unassessed)
Species Erigeron diaphanus Sch.Bip. (uncertain > unassessed)
Species Erigeron diffusus Aiton (uncertain > unassessed)
Species Erigeron diplopappus (Hook.) Nutt. (uncertain > unassessed)
Species Erigeron dolomiticola (J.R.Allison) D.B.Poind., B.R.Keener & Noyes (uncertain > unassessed)
Species Erigeron domesticus Larrañaga (uncertain > unassessed)
Species Erigeron droebachensis O.Muell. (uncertain > unassessed)
Species Erigeron drummondii Greene (uncertain > unassessed)
Species Erigeron dumetorum Phil. (uncertain > unassessed)
Species Erigeron earlei Britton & P.Wilson (uncertain > unassessed)
Species Erigeron earlei Rydb. (uncertain > unassessed)
Species Erigeron echioides Sodiro (uncertain > unassessed)
Species Erigeron edelbergii Rech.f. & Köie (uncertain > unassessed)
Species Erigeron elbrusensis Boiss. (uncertain > unassessed)
Species Erigeron elegans Parsa (uncertain > unassessed)
Species Erigeron elegans Greene (uncertain > unassessed)
Species Erigeron ellisii Hook. (uncertain > unassessed)
Species Erigeron emodi I.M.Turner (uncertain > unassessed)
Species Erigeron enderi Murr (uncertain > unassessed)
Species Erigeron engadensis Brügger (uncertain > unassessed)
Species Erigeron eradiatus (A.Gray) Piper (uncertain > unassessed)
Species Erigeron eriocephalus Vahl (uncertain > unassessed)
Species Erigeron erythrolepis Sch.Bip. (uncertain > unassessed)
Species Erigeron evermannii Rydb. (uncertain > unassessed)
Species Erigeron exaltatus Vierh. (uncertain > unassessed)
Species Erigeron expansus Poepp. (uncertain > unassessed)
Species Erigeron exstipulatus Schumach. (uncertain > unassessed)
Species Erigeron falcatus D.Don (uncertain > unassessed)
Species Erigeron falconeri (C.B.Clarke) Botsch. (uncertain > unassessed)
Species Erigeron fastigiatus Hornem. (uncertain > unassessed)
Species Erigeron favratii Gremli (uncertain > unassessed)
Species Erigeron flabellifolius Rydb. (uncertain > unassessed)
Species Erigeron flettii G.N.Jones (uncertain > unassessed)
Species Erigeron foliatus D.Don (uncertain > unassessed)
Species Erigeron foliosus Don ex Steud. (uncertain > unassessed)
Species Erigeron frigidus Boiss. (uncertain > unassessed)
Species Erigeron frutescens Phil. (uncertain > unassessed)
Species Erigeron fuegiae Vierh. (uncertain > unassessed)
Species Erigeron gayanus J.Rémy (uncertain > unassessed)
Species Erigeron geminilobus Millsp. (uncertain > unassessed)
Species Erigeron glabratus Reiche (uncertain > unassessed)
Species Erigeron glabratus Hoppe (uncertain > unassessed)
Species Erigeron glabrescens Brügger (uncertain > unassessed)
Species Erigeron glandulosus Porter & J.M.Coult. (uncertain > unassessed)
Species Erigeron glareosus Brügger (uncertain > unassessed)
Species Erigeron gnaphalodes (uncertain > unassessed)
Species Erigeron gonzaloi Sennen (uncertain > unassessed)
Species Erigeron goodrichii S.L.Welsh (uncertain > unassessed)
Species Erigeron graecus Vierh. (uncertain > unassessed)
Species Erigeron grandiflorus Sessé & Moc. (uncertain > unassessed)
Species Erigeron gypsophilus Beauverd (uncertain > unassessed)
Species Erigeron hegetschweileri Brügger (uncertain > unassessed)
Species Erigeron helenae G.L.Nesom (uncertain > unassessed)
Species Erigeron heleniastrum Greene (uncertain > unassessed)
Species Erigeron heliographis G.L.Nesom (uncertain > unassessed)
Species Erigeron helveticus Brügger (uncertain > unassessed)
Species Erigeron hessii G.L.Nesom (uncertain > unassessed)
Species Erigeron hieraciifolius D.Don (uncertain > unassessed)
Species Erigeron hintoniorum B.L.Turner (uncertain > unassessed)
Species Erigeron hircianus Degen (uncertain > unassessed)
Species Erigeron hirsutum L. (uncertain > unassessed)
Species Erigeron hirsutus Lour. (uncertain > unassessed)
Species Erigeron hirsutus hoppe. ex DC. (uncertain > unassessed)
Species Erigeron hirsutus Wall. (uncertain > unassessed)
Species Erigeron hispidus Baker (uncertain > unassessed)
Species Erigeron hispidus Vierh. (uncertain > unassessed)
Species Erigeron hispidus Pau ex Cad. (uncertain > unassessed)
Species Erigeron hodgsoniae G.L.Nesom (uncertain > unassessed)
Species Erigeron hultenii Spongberg (uncertain > unassessed)
Species Erigeron huteri Murr (uncertain > unassessed)
Species Erigeron hybridus Bergmans (uncertain > unassessed)
Species Erigeron ibarii Phil. (uncertain > unassessed)
Species Erigeron incaicus (Solbrig) (Solbrig) (uncertain > unassessed)
Species Erigeron incanus Vahl (uncertain > unassessed)
Species Erigeron incisus Thunb. (uncertain > unassessed)
Species Erigeron indicus Burm.f. (uncertain > unassessed)
Species Erigeron integrifolius Bigelow (uncertain > unassessed)
Species Erigeron involucratus Link ex Sweet (uncertain > unassessed)
Species Erigeron involutus (uncertain > unassessed)
Species Erigeron irazuense Greenm. (uncertain > unassessed)
Species Erigeron jacinteus Hall (uncertain > unassessed)
Species Erigeron javanicus Sch.Bip. (uncertain > unassessed)
Species Erigeron javanicus Sch.Bip. ex Miq. (uncertain > unassessed)
Species Erigeron kachinensis S.L.Welsh & Gl.Moore (uncertain > unassessed)
Species Erigeron katiae S.L.Welsh & N.D.Atwood (uncertain > unassessed)
Species Erigeron kuschei Eastw. (uncertain > unassessed)
Species Erigeron lackschewitzii G.L.Nesom & W.A.Weber (uncertain > unassessed)
Species Erigeron lalehzaricus (Rech.f.) Šída (uncertain > unassessed)
Species Erigeron landbeckii Phil. (uncertain > unassessed)
Species Erigeron latifolius Hao Zhang & Zhi F.Zhang (uncertain > unassessed)
Species Erigeron lehmannii Spreng. (uncertain > unassessed)
Species Erigeron lemmonii A.Gray (uncertain > unassessed)
Species Erigeron lepidotus Less. (uncertain > unassessed)
Species Erigeron leptophyllus Greene (uncertain > unassessed)
Species Erigeron lineatus Sessé & Moc. (uncertain > unassessed)
Species Erigeron linosyris [Clairv.] (uncertain > unassessed)
Species Erigeron lyratus Raf. (uncertain > unassessed)
Species Erigeron macrophyllus (Spreng.) Herter (uncertain > unassessed)
Species Erigeron mandonii Sch.Bip. (uncertain > unassessed)
Species Erigeron manshuricus (Kom.) Vorosch. (uncertain > unassessed)
Species Erigeron mariposanus Congdon (uncertain > unassessed)
Species Erigeron mashadansis Parsa & Maleki (uncertain > unassessed)
Species Erigeron maxonii (S.F.Blake) (S.F.Blake) (uncertain > unassessed)
Species Erigeron mayoensis Nespiak (uncertain > unassessed)
Species Erigeron mendocinensis D.J.Keil (uncertain > unassessed)
Species Erigeron mexicanus Sessé & Moc. (uncertain > unassessed)
Species Erigeron mexicanus Sessé & Moc. (uncertain > unassessed)
Species Erigeron microcephalus Sch.Bip. (uncertain > unassessed)
Species Erigeron microcephalus Gand. (uncertain > unassessed)
Species Erigeron microspermus Sch.Bip. (uncertain > unassessed)
Species Erigeron minurioides Benth. (uncertain > unassessed)
Species Erigeron minusculus Greene (uncertain > unassessed)
Species Erigeron mirus (A.Nelson) (A.Nelson) (uncertain > unassessed)
Species Erigeron miser A.Gray (uncertain > unassessed)
Species Erigeron mixtus Sennen (uncertain > unassessed)
Species Erigeron mixtus Arv.-Touv. (uncertain > unassessed)
Species Erigeron miyabeanus (Tatew. & Kitam.) Tatew. & Kitam. ex H.Hara (uncertain > unassessed)
Species Erigeron moelleri Phil. (uncertain > unassessed)
Species Erigeron molleri Phil. (uncertain > unassessed)
Species Erigeron montenegrinus Vierh. (uncertain > unassessed)
Species Erigeron monticola Wall. (uncertain > unassessed)
Species Erigeron multicaulis Wall. (uncertain > unassessed)
Species Erigeron multiceps Greene (uncertain > unassessed)
Species Erigeron nanus Nutt. (uncertain > unassessed)
Species Erigeron neglectus Kern. ex Nyman (uncertain > unassessed)
Species Erigeron nematophyllus Rydb. (uncertain > unassessed)
Species Erigeron nemorale Phil. (uncertain > unassessed)
Species Erigeron nemoralis Phil. (uncertain > unassessed)
Species Erigeron nevadensis Sennen (uncertain > unassessed)
Species Erigeron nigrimontanus Popov (uncertain > unassessed)
Species Erigeron nitens G.L.Nesom (uncertain > unassessed)
Species Erigeron nubgenus Phil. (uncertain > unassessed)
Species Erigeron nudiflorus Buckley (uncertain > unassessed)
Species Erigeron obscurus Lunell (uncertain > unassessed)
Species Erigeron obtusatus Greene (uncertain > unassessed)
Species Erigeron obtusus (Kunth) M.Gómez (uncertain > unassessed)
Species Erigeron occidentalis Vierh. (uncertain > unassessed)
Species Erigeron occidentalis Nutt. (uncertain > unassessed)
Species Erigeron ocoensis Urb. & Ekman (uncertain > unassessed)
Species Erigeron oolepis Sch.Bip. (uncertain > unassessed)
Species Erigeron oreganus A.Gray (uncertain > unassessed)
Species Erigeron orithales Phil. (uncertain > unassessed)
Species Erigeron pacalis Björk (uncertain > unassessed)
Species Erigeron palezieuxi Beauverd (uncertain > unassessed)
Species Erigeron palezieuxii Beauverd (uncertain > unassessed)
Species Erigeron panduratus Chang (uncertain > unassessed)
Species Erigeron paposanus Phil. (uncertain > unassessed)
Species Erigeron paradoxus Brügger (uncertain > unassessed)
Species Erigeron parishii A.Gray (uncertain > unassessed)
Species Erigeron parviflorus Brügger (uncertain > unassessed)
Species Erigeron paucipetalus Osterh. (uncertain > unassessed)
Species Erigeron paulae Beauverd (uncertain > unassessed)
Species Erigeron pazensis Sch.Bip. (uncertain > unassessed)
Species Erigeron pectinatus Sch.Bip. (uncertain > unassessed)
Species Erigeron pectinatus Sch.Bip. ex Schweinf. (uncertain > unassessed)
Species Erigeron perramosus Schur (uncertain > unassessed)
Species Erigeron petiolaris Greene (uncertain > unassessed)
Species Erigeron philadelphicus Bart. (uncertain > unassessed)
Species Erigeron philadelphicus Willd. (uncertain > unassessed)
Species Erigeron phlogotrichus Spreng. (uncertain > unassessed)
Species Erigeron pilosus Pers. (uncertain > unassessed)
Species Erigeron pinnatifidus Thunb. (uncertain > unassessed)
Species Erigeron piperianus Cronquist (uncertain > unassessed)
Species Erigeron piscaticus G.L.Nesom (uncertain > unassessed)
Species Erigeron pisonis Burm.f. (uncertain > unassessed)
Species Erigeron pou-orfilae Herter (uncertain > unassessed)
Species Erigeron praecox Beauverd (uncertain > unassessed)
Species Erigeron primulaefolius jussieu (uncertain > unassessed)
Species Erigeron pringlei A.Gray (uncertain > unassessed)
Species Erigeron procerus Lunell (uncertain > unassessed)
Species Erigeron proselyticus A.Nelson (uncertain > unassessed)
Species Erigeron pseuderigeron Popov (uncertain > unassessed)
Species Erigeron pseudoannuus Makino (uncertain > unassessed)
Species Erigeron pseudoelongatus Rouy (uncertain > unassessed)
Species Erigeron pseudoelongatus A.W.Hill (uncertain > unassessed)
Species Erigeron pseudoelongatus Rouy (uncertain > unassessed)
Species Erigeron psilocaulis Urb. (uncertain > unassessed)
Species Erigeron pulchellus Hook. (uncertain > unassessed)
Species Erigeron pumilus Hook. (uncertain > unassessed)
Species Erigeron purisimanus Millsp. (uncertain > unassessed)
Species Erigeron purpureus Ait. (uncertain > unassessed)
Species Erigeron purpuripes Britton & P.Wilson ex Britton (uncertain > unassessed)
Species Erigeron pyramidatus Sch.Bip. (uncertain > unassessed)
Species Erigeron quattuordomuum Molinari (uncertain > unassessed)
Species Erigeron queraltii Sennen (uncertain > unassessed)
Species Erigeron quercifolius Lam. (uncertain > unassessed)
Species Erigeron raddeanus Vierh. (uncertain > unassessed)
Species Erigeron ramulosus Gand. (uncertain > unassessed)
Species Erigeron re Colla (uncertain > unassessed)
Species Erigeron religiosus Cronquist (uncertain > unassessed)
Species Erigeron remyanus Speg. (uncertain > unassessed)
Species Erigeron retroflexus Poir. (uncertain > unassessed)
Species Erigeron rhaeticus Brügger (uncertain > unassessed)
Species Erigeron rhizomatus Cronquist (uncertain > unassessed)
Species Erigeron rigidus Fr. (uncertain > unassessed)
Species Erigeron riklii Vaccari ex Fiori (uncertain > unassessed)
Species Erigeron riklii Vacc. ex Fiori (uncertain > unassessed)
Species Erigeron rivalis Sessé & Moc. (uncertain > unassessed)
Species Erigeron robustus Boiss. (uncertain > unassessed)
Species Erigeron rottleri Spreng. (uncertain > unassessed)
Species Erigeron rubricaulis Sch.Bip. (uncertain > unassessed)
Species Erigeron rupestre (uncertain > unassessed)
Species Erigeron rupestris Schleich. (uncertain > unassessed)
Species Erigeron rupestris Bluff & Fingerh. (uncertain > unassessed)
Species Erigeron rupestris Popov (uncertain > unassessed)
Species Erigeron rybius G.L.Nesom (uncertain > unassessed)
Species Erigeron rydbergii Cronquist (uncertain > unassessed)
Species Erigeron salishii G.W.Douglas & Packer (uncertain > unassessed)
Species Erigeron salmonensis Brunsfeld & G.L.Nesom (uncertain > unassessed)
Species Erigeron sanctarum S.Watson (uncertain > unassessed)
Species Erigeron sanctarum S.Watson ex Brandegee (uncertain > unassessed)
Species Erigeron saxatilis G.L.Nesom (uncertain > unassessed)
Species Erigeron scaberrimus (Less.) G.L.Nesom (uncertain > unassessed)
Species Erigeron scabrellus Greene (uncertain > unassessed)
Species Erigeron scandens (Thunb.) Thunb. ex Murray (uncertain > unassessed)
Species Erigeron schelkovnikovii Vierh. (uncertain > unassessed)
Species Erigeron scopulinus G.L.Nesom & V.D.Roth (uncertain > unassessed)
Species Erigeron scribneri Canby (uncertain > unassessed)
Section Erigeron sect. Arenarioides (Rydb.) G.L.Nesom (uncertain > unassessed)
Section Erigeron sect. Cincinnactis G.L.Nesom (uncertain > unassessed)
Section Erigeron sect. Coenotus Benth. (uncertain > unassessed)
Section Erigeron sect. Disparipili G.L.Nesom (uncertain > unassessed)
Section Erigeron sect. Euerigeron F.Muell. (uncertain > unassessed)
Section Erigeron sect. Filifolii (Rydb.) G.L.Nesom (uncertain > unassessed)
Section Erigeron sect. Geniculactis G.L.Nesom (uncertain > unassessed)
Section Erigeron sect. Geronpternix G.L.Nesom & Noyes (uncertain > unassessed)
Section Erigeron sect. Gyrifolium G.L.Nesom (uncertain > unassessed)
Section Erigeron sect. Imbarba G.L.Nesom (uncertain > unassessed)
Section Erigeron sect. Karvinskia G.L.Nesom (uncertain > unassessed)
Section Erigeron sect. Lamprocaules G.L.Nesom (uncertain > unassessed)
Section Erigeron sect. Linearifolii (G.Don) G.L.Nesom (uncertain > unassessed)
Section Erigeron sect. Lonchophylli G.L.Nesom (uncertain > unassessed)
Section Erigeron sect. Meridionales G.L.Nesom (uncertain > unassessed)
Section Erigeron sect. Microcephalum G.L.Nesom (uncertain > unassessed)
Section Erigeron sect. Osteocaulis G.L.Nesom (uncertain > unassessed)
Section Erigeron sect. Peregrinus G.L.Nesom (uncertain > unassessed)
Section Erigeron sect. Phaenactis Nutt. (uncertain > unassessed)
Section Erigeron sect. Polyactis (Less.) G.L.Nesom (uncertain > unassessed)
Section Erigeron sect. Quercifolium G.L.Nesom (uncertain > unassessed)
Section Erigeron sect. Radicati (Rydb.) G.L.Nesom (uncertain > unassessed)
Section Erigeron sect. Radicatiformes G.L.Nesom (uncertain > unassessed)
Section Erigeron sect. Rhizonexus G.L.Nesom (uncertain > unassessed)
Section Erigeron sect. Scopulincola G.L.Nesom (uncertain > unassessed)
Section Erigeron sect. Spathifolium G.L.Nesom (uncertain > unassessed)
Section Erigeron sect. Terranea (Colla) G.L.Nesom (uncertain > unassessed)
Section Erigeron sect. Trimorpha (Cass.) DC. (uncertain > unassessed)
Section Erigeron sect. Trimorphaea (Cass.) DC. (uncertain > unassessed)
Species Erigeron semperflorens Roezl ex Haage & Schmidt (uncertain > unassessed)
Species Erigeron senecio auct.am. ex Steud. (uncertain > unassessed)
Species Erigeron senecio Sch.Bip. (uncertain > unassessed)
Series Erigeron ser. Breviscapi Y.Ling & Y.L.Chen (uncertain > unassessed)
Series Erigeron ser. Himalajenses Y.Ling & Y.L.Chen (uncertain > unassessed)
Series Erigeron ser. Macrophylli Šída (uncertain > unassessed)
Series Erigeron ser. Multiradiati Y.Ling & Y.L.Chen (uncertain > unassessed)
Series Erigeron ser. Politi Šída (uncertain > unassessed)
Series Erigeron ser. Trimorpha (Cass.) Šída (uncertain > unassessed)
Species Erigeron sericeus Retz. (uncertain > unassessed)
Species Erigeron serpentinus G.L.Nesom (uncertain > unassessed)
Species Erigeron sivinskii G.L.Nesom (uncertain > unassessed)
Species Erigeron sodiroi Hieron. ex Sodiro (uncertain > unassessed)
Species Erigeron solidaginoides Schltdl. (uncertain > unassessed)
Species Erigeron spathulatus Schumach. & Thonn. (uncertain > unassessed)
Species Erigeron spathulatus Schumach. (uncertain > unassessed)
Species Erigeron spatuliformis Howell (uncertain > unassessed)
Species Erigeron spinosus Sch.Bip. (uncertain > unassessed)
Species Erigeron squarrosus [Clairv.] (uncertain > unassessed)
Species Erigeron stanleyi (A.R.G.Mundell) A.R.G.Mundell (uncertain > unassessed)
Species Erigeron stellatus (Hook.f.) W.M.Curtis (uncertain > unassessed)
Species Erigeron stipulatus Schumach. (uncertain > unassessed)
Species Erigeron strigosus Bigelow (uncertain > unassessed)
Species Erigeron stuessyi Valdeb. (uncertain > unassessed)
Species Erigeron subdecurrens Sch.Bip. (uncertain > unassessed)
Species Erigeron subglaber Cronquist (uncertain > unassessed)
Subsection Erigeron subsect. Patentisquami Y.Ling & Y.L.Chen (uncertain > unassessed)
Subsection Erigeron subsect. Platyglossi (Botsch.) Y.Ling & Y.L.Chen (uncertain > unassessed)
Subsection Erigeron subsect. Siphonoglossi (Botsch.) Y.Ling & Y.L.Chen (uncertain > unassessed)
Species Erigeron suksdorfii Greene (uncertain > unassessed)
Species Erigeron sulivani Hook.f. (uncertain > unassessed)
Species Erigeron superbus Greene (uncertain > unassessed)
Species Erigeron supplex A.Gray (uncertain > unassessed)
Species Erigeron tatrae Vierh. (uncertain > unassessed)
Species Erigeron taylorii Britton & P.Wilson (uncertain > unassessed)
Species Erigeron telekii Schweinf. ex Engl. (uncertain > unassessed)
Species Erigeron tenuis Torr. & A.Gray (uncertain > unassessed)
Species Erigeron thompsonii S.F.Blake ex Thomps. (uncertain > unassessed)
Species Erigeron thompsonii S.F.Blake (uncertain > unassessed)
Species Erigeron tricholepis Sch.Bip. (uncertain > unassessed)
Species Erigeron trifidus Schltdl. (uncertain > unassessed)
Species Erigeron trifidus Larrañaga (uncertain > unassessed)
Species Erigeron trigonus S.J.Forbes & D.I.Morris (uncertain > unassessed)
Species Erigeron turneri Greene (uncertain > unassessed)
Species Erigeron tuxtlensis Sessé & Moc. (uncertain > unassessed)
Species Erigeron tweedyanus M.L.Canby & Rose (uncertain > unassessed)
Species Erigeron tweedyi Canby (uncertain > unassessed)
Species Erigeron umbrosus (Kar. & Kir.) Popov (uncertain > unassessed)
Species Erigeron undulatus Sessé & Moc. (uncertain > unassessed)
Species Erigeron unifolius (uncertain > unassessed)
Species Erigeron unuloides (uncertain > unassessed)
Species Erigeron vagus Payson (uncertain > unassessed)
Species Erigeron valesiacus Reut. ex Vierh. (uncertain > unassessed)
Species Erigeron vandasii Vierh. (uncertain > unassessed)
Species Erigeron verguinii Sennen (uncertain > unassessed)
Species Erigeron vierhapperi (Briq. & Cav.) Janch. (uncertain > unassessed)
Species Erigeron virgatus Gueldenst. ex Ledeb. (uncertain > unassessed)
Species Erigeron vreelandii Greene (uncertain > unassessed)
Species Erigeron warnockii (Shinners) Shinners (uncertain > unassessed)
Species Erigeron weddelianus Sodiro (uncertain > unassessed)
Species Erigeron weddelianus Hieron. (uncertain > unassessed)
Species Erigeron weddellianus Hieron. ex Sodiro (uncertain > unassessed)
Species Erigeron wilczekii F.O.Wolf ex Fiori (uncertain > unassessed)
Species Erigeron woronowii Vierh. (uncertain > unassessed)
Species Erigeron wyomingius Rydb. (uncertain > unassessed)
Species Erigeron xanti Engelm. ex Millsp. (uncertain > unassessed)
Species Erigeron zollingeri Sch.Bip. ex Miq. (uncertain > unassessed)
Species Erigeron zollingeri Sch.Bip. (uncertain > unassessed)