Acritopappus R.M.King & H.Rob. (original description)
Acritopappus confertus (Gardner) R.M.King & H.Rob. (original description)
Acritopappus irwinii R.M.King & H.Rob. (original description)
Acritopappus longifolius (Gardner) R.M.King & H.Rob. (original description)
Ageratina abronia (Klatt) R.M.King & H.Rob. accepted as Ageratina prunellaefolia (Kunth) R.M.King & H.Rob. (original description)
Ageratina boyacensis R.M.King & H.Rob. (original description)
Ageratina cerifera (McVaugh) R.M.King & H.Rob. (original description)
Ageratina contorta (C.D.Adams) R.M.King & H.Rob. (original description)
Ageratina cuatrecasasii R.M.King & H.Rob. (original description)
Ageratina cylindrica (McVaugh) R.M.King & H.Rob. (original description)
Ageratina dolichobasis (McVaugh) R.M.King & H.Rob. (original description)
Ageratina esmeraldae (Cuatrec.) R.M.King & H.Rob. accepted as Ageratina rhypodes (B.L.Rob.) R.M.King & H.Rob. (original description)
Ageratina geminata (McVaugh) R.M.King & H.Rob. (original description)
Ageratina halbertiana (McVaugh) R.M.King & H.Rob. (original description)
Ageratina infiernillensis R.M.King & H.Rob. (original description)
Ageratina lasioneura (Hook. & Arn.) R.M.King & H.Rob. (original description)
Ageratina longipetiolata (Sch.Bip. ex Rusby) R.M.King & H.Rob. accepted as Kaunia longipetiolata (Sch.Bip. ex Rusby) R.M.King & H.Rob. (original description)
Ageratina modesta (Kunth) R.M.King & H.Rob. (original description)
Ageratina multiserrata (Sch.Bip.) R.M.King & H.Rob. (original description)
Ageratina mutiscuensis (B.L.Rob.) R.M.King & H.Rob. (original description)
Ageratina nelsonii R.M.King & H.Rob. (original description)
Ageratina plethadenia (Standl. & Steyerm.) R.M.King & H.Rob. (original description)
Ageratina subglabra R.M.King & H.Rob. (original description)
Ageratina trapezoidea (Kunth) R.M.King & H.Rob. (original description)
Ageratina triniona (McVaugh) R.M.King & H.Rob. (original description)
Ageratum ballotifolium (Maguire, Steyerm. & Wurdack) R.M.King & H.Rob. (original description)
Ageratum benjamin-lincolnii R.M.King & H.Rob. accepted as Ageratum platylepis (B.L.Rob.) R.M.King & H.Rob. (original description)
Ageratum chiriquense (B.L.Rob.) R.M.King & H.Rob. (original description)
Ageratum fastigiatum (Gardner) R.M.King & H.Rob. (original description)
Ageratum myriadenium (Sch.Bip. ex Baker) R.M.King & H.Rob. (original description)
Ageratum pinetorum (L.O.Williams) R.M.King & H.Rob. accepted as Ageratum corymbosum Zucc. ex Pers. (original description)
Ageratum platylepis (B.L.Rob.) R.M.King & H.Rob. (original description)
Ageratum reedii R.M.King & H.Rob. accepted as Ageratum petiolatum (Hook. & Arn.) Hemsl. (original description)
Alomia hintonii R.M.King & H.Rob. (original description)
Alomiella R.M.King & H.Rob. (original description)
Alomiella regnellii (Malme) R.M.King & H.Rob. (original description)
Amolinia R.M.King & H.Rob. (original description)
Amolinia heydeana (B.L.Rob.) R.M.King & H.Rob. (original description)
Asanthus R.M.King & H.Rob. (original description)
Asanthus solidaginifolius (A.Gray) R.M.King & H.Rob. (original description)
Asanthus squamulosus (A.Gray) R.M.King & H.Rob. (original description)
Asanthus thyrsiflorus (A.Gray) R.M.King & H.Rob. (original description)
Austrobrickellia R.M.King & H.Rob. (original description)
Austrobrickellia arnottii (Baker) R.M.King & H.Rob. (original description)
Austrobrickellia bakerianum (B.L.Rob.) R.M.King & H.Rob. (original description)
Austrobrickellia patens (D.Don ex Hook. & Arn.) R.M.King & H.Rob. (original description)
Ayapanopsis R.M.King & H.Rob. (original description)
Ayapanopsis adenophora R.M.King & H.Rob. (original description)
Ayapanopsis andina (B.L.Rob.) R.M.King & H.Rob. (original description)
Ayapanopsis didyma (Klatt) R.M.King & H.Rob. (original description)
Ayapanopsis esperanzae (Hassl.) R.M.King & H.Rob. (original description)
Ayapanopsis euphyes (B.L.Rob.) R.M.King & H.Rob. (original description)
Ayapanopsis garcia-barrigae R.M.King & H.Rob. accepted as Ayapanopsis cuchabensis (B.L.Rob.) R.M.King & H.Rob. (original description)
Ayapanopsis latipaniculata (Rusby) R.M.King & H.Rob. (original description)
Ayapanopsis mathewsii (B.L.Rob.) R.M.King & H.Rob. (original description)
Ayapanopsis tarapotensis (B.L.Rob.) R.M.King & H.Rob. (original description)
Ayapanopsis triosteifolia (Rusby) R.M.King & H.Rob. (original description)
Ayapanopsis trixioides (Baker) R.M.King & H.Rob. accepted as Ayapanopsis oblongifolia (Gardner) R.M.King & H.Rob. (original description)
Ayapanopsis tucumanensis (Lillo & B.L.Rob.) R.M.King & H.Rob. (original description)
Ayapanopsis vargasii R.M.King & H.Rob. (original description)
Barrosoa apiculata (Gardner) R.M.King & H.Rob. (original description)
Barrosoa metensis (B.L.Rob.) R.M.King & H.Rob. (original description)
Barrosoa organensis (Gardner) R.M.King & H.Rob. (original description)
Barrosoa trianae (B.L.Rob.) R.M.King & H.Rob. (original description)
Bartlettina macrocephala (Benth.) R.M.King & H.Rob. (original description)
Blakeanthus R.M.King & H.Rob. (original description)
Blakeanthus cordatus (S.F.Blake) R.M.King & H.Rob. (original description)
Brickelliastrum R.M.King & H.Rob. (original description)
Brickelliastrum fendleri (A.Gray) R.M.King & H.Rob. (original description)
Campuloclinium barrosoana (G.M.Barroso) R.M.King & H.Rob. accepted as Campuloclinium campuloclinioides (Baker) R.M.King & H.Rob. (original description)
Campuloclinium burchellii (Baker) R.M.King & H.Rob. (original description)
Campuloclinium chlorolepis (Baker) R.M.King & H.Rob. (original description)
Campuloclinium hickenii (Cabrera & Vittet) R.M.King & H.Rob. (original description)
Campuloclinium irwinii R.M.King & H.Rob. (original description)
Campuloclinium megacephalum (Mart. ex Baker) R.M.King & H.Rob. (original description)
Campuloclinium purpurascens (Sch.Bip. ex Baker) R.M.King & H.Rob. (original description)
Campuloclinium riedelii (Baker) R.M.King & H.Rob. (original description)
Campuloclinium tubaraoense (Hieron.) R.M.King & H.Rob. (original description)
Condylidium R.M.King & H.Rob. (original description)
Condylidium cuatrecasasii R.M.King & H.Rob. (original description)
Condylopodium R.M.King & H.Rob. (original description)
Condylopodium cuatrecasasii R.M.King & H.Rob. (original description)
Condylopodium fuliginosum (Kunth) R.M.King & H.Rob. (original description)
Condylopodium killipii R.M.King & H.Rob. (original description)
Condylopodium pennellii R.M.King & H.Rob. (original description)
Crossothamnus R.M.King & H.Rob. (original description)
Crossothamnus weberbaueri (Hieron.) R.M.King & H.Rob. (original description)
Dasycondylus R.M.King & H.Rob. (original description)
Dasycondylus debeauxii (B.L.Rob.) R.M.King & H.Rob. (original description)
Dasycondylus dusenii R.M.King & H.Rob. (original description)
Dasycondylus lobbii (Klatt) R.M.King & H.Rob. (original description)
Dasycondylus platylepis (Baker) R.M.King & H.Rob. (original description)
Dasycondylus regnellii R.M.King & H.Rob. (original description)
Dasycondylus resinosus (Spreng.) R.M.King & H.Rob. (original description)
Dasycondylus riedelii R.M.King & H.Rob. (original description)
Diacranthera crenata (Schltdl. ex Mart.) R.M.King & H.Rob. (original description)
Diacranthera ulei R.M.King & H.Rob. (original description)
Fleischmannia splendens R.M.King & H.Rob. (original description)
Flyriella R.M.King & H.Rob. (original description)
Flyriella chrysostyla (B.L.Rob.) R.M.King & H.Rob. (original description)