Artemisia decaisnei Klatt accepted as Artemisia keiskeana Miq. (original description)
Aster crassifolius Klatt accepted as Diplostephium phylicoides (Kunth) Wedd. (original description)
Baccharis orbignyana Klatt (original description)
Baccharis pinnatifida Klatt accepted as Baccharis ulicina Hook. & Arn. (original description)
Baccharis pulverulenta Klatt accepted as Baccharis dracunculifolia DC. (original description)
Baccharis spathulata Klatt accepted as Baccharis cutervensis Hieron. (original description)
Baccharis thomasii Klatt accepted as Archibaccharis schiedeana (Benth.) J.D.Jacks. (original description)
Brickellia cumingii Klatt accepted as Chrysopsis oregona (Nutt.) A.Gray (original description)
Brickellia linearifolia Klatt accepted as Bigelowia visciflora (original description)
Brickellia paucidentata Klatt (original description)
Cephalophora punctata Klatt accepted as Helenium glaucum (Cav.) Stuntz (original description)
Cosmos marginatus Klatt accepted as Cosmos peucedanifolius var. tiraquensis (Kuntze) Sherff (original description)
Ericameria erecta Klatt accepted as Ericameria bloomeri (A.Gray) J.F.Macbr. (original description)
Eupatorium confertifolium Klatt accepted as Ageratina vacciniaefolia (Benth.) R.M.King & H.Rob. (original description)
Eupatorium exerto-venosum Klatt (original description)
Eupatorium oaxacanum Klatt accepted as Ageratina oaxacana (Klatt) R.M.King & H.Rob. (original description)
Eupatorium orbignyanum Klatt accepted as Chromolaena orbignyana (Klatt) R.M.King & H.Rob. (original description)
Eupatorium patagonicum Klatt accepted as Austrobrickellia patens (D.Don ex Hook. & Arn.) R.M.King & H.Rob. (original description)
Eupatorium pyramidale Klatt accepted as Ayapana stenolepis (Steetz) R.M.King & H.Rob. (original description)
Eupatorium tulanum Klatt accepted as Vernonia liatroides DC. (original description)
Mikania fendleri Klatt (original description)
Mikania papillosa Klatt (original description)
Montanoa thomasii Klatt accepted as Viguiera cordata (Hook. & Arn.) D'Arcy (original description)
Pluchea domingensis Klatt (original description)
Senecio axillaris Klatt (original description)
Senecio caracasanus Klatt accepted as Pentacalia caracasana (Klatt) Cuatrec. (original description)
Senecio cucullatus Klatt accepted as Pentacalia caracasana (Klatt) Cuatrec. (original description)
Senecio cumingii Klatt (original description)
Senecio hellerii Klatt (original description)
Senecio imparipinnatus Klatt accepted as Packera tampicana (DC.) C.Jeffrey (original description)
Senecio perrottetianus Klatt (original description)
Senecio petraeus Klatt accepted as Packera werneriifolia (A.Gray) W.A.Weber & Á.Löve (original description)
Senecio polymerus Klatt accepted as Pentacalia polymera (Klatt) Cuatrec. (original description)
Senecio potosianus Klatt (original description)
Senecio pullus Klatt accepted as Senecio umgeniensis Thell. (original description)
Senecio semidentatus Klatt accepted as Pentacalia reflexa (Kunth) Cuatrec. (original description)
Senecio setulosus Klatt (original description)
Senecio thomasii Klatt accepted as Senecio deppeanus Hemsl. (original description)
Senecio trianae Klatt accepted as Pentacalia trianae (Klatt) Cuatrec. (original description)
Senecio verrucosus Klatt (original description)
Senecio verticillatus Klatt (original description)
Zexmenia wedelioides Klatt accepted as Oyedaea wedelioides (Klatt) S.F.Blake (original description)