Cnicus pinnatisectus Klatt accepted as Cirsium pinnatisectum (Klatt) Petr. (original description)
Dahlia dumicola Klatt ex T.Durand & Pittier accepted as Dahlia excelsa Benth. (original description)
Eupatorium adspersum Klatt ex T.Durand & Pittier (original description)
Eupatorium decussatum Klatt ex T.Durand & Pittier accepted as Koanophyllon solidaginoides (Kunth) R.M.King & H.Rob. (original description)
Pectis grandiflora Klatt ex T.Durand & Pittier (original description)
Vernonia vernicosa Klatt accepted as Lepidaploa tortuosa (L.) H.Rob. (original description)
Viguiera drymonia Klatt ex T.Durand & Pittier (original description)
Zexmenia aurantiaca Klatt ex T.Durand & Pittier (original description)
Zexmenia aurantiaca Klatt accepted as Wamalchitamia aurantiaca (Klatt) Strother (original description)