Achyrocline virescens Klatt (original description)
Baccharis lehmannii Klatt (original description)
Bidens guatemalensis Klatt accepted as Bidens ostruthioides (DC.) Sch.Bip. (original description)
Calea glomerata Klatt (original description)
Diplostephium ochroleucum Klatt accepted as Diplostephium floribundum subsp. putumayense Cuatrec. (original description)
Eupatorium bullatum Klatt accepted as Chromolaena bullata (Klatt) R.M.King & H.Rob. (original description)
Eupatorium lehmannianum Klatt accepted as Ageratina tinifolia (Kunth) R.M.King & H.Rob. (original description)
Eupatorium nemorosum Klatt accepted as Polyanthina nemorosa (Klatt) R.M.King & H.Rob. (original description)
Eupatorium tacotanum Klatt accepted as Chromolaena tacotana (Klatt) R.M.King & H.Rob. (original description)
Eupatorium umbrosum Klatt accepted as Fleischmannia klattiana (Hieron.) R.M.King & H.Rob. (original description)
Gnaphalium subspicatum (Wedd.) Klatt (original description)
Gymnolomia hirsuta Klatt accepted as Wedelia tambilloana B.L.Turner (original description)
Leucheria fasciata Klatt accepted as Perezia pungens Less. (original description)
Liabum columbianum Klatt accepted as Gynoxys columbiana (Klatt) Hieron. (original description)
Liabum vulcanicum Klatt accepted as Erato vulcanica (Klatt) H.Rob. (original description)
Melampodium copiosum Klatt accepted as Melampodium divaricatum (Rich.) DC. (original description)
Melampodium panamense Klatt accepted as Melampodium divaricatum (Rich.) DC. (original description)
Mikania fragrans Klatt (original description)
Mikania nemorosa Klatt accepted as Mikania nigropunctulata Hieron. (original description)
Mikania sylvatica Klatt (original description)
Pectis caespitosa Klatt (original description)
Pectis graveolens Klatt (original description)
Pluchea decussata Klatt accepted as Baccharis decussata (Klatt) Hieron. (original description)
Senecio coccineus Klatt (original description)
Spilanthes lateraliflora Klatt accepted as Acmella repens (Walter) Rich. ex Pers. (original description)
Spilanthes lehmanniana Klatt accepted as Acmella repens (Walter) Rich. ex Pers. (original description)
Stevia bicrenata Klatt accepted as Stevia elatior Kunth (original description)
Werneria glandulosa Klatt accepted as Xenophyllum humile (Kunth) V.A.Funk (original description)