Anastraphia bahamensis Urb. accepted as Gochnatia paucifloscula (C.Wright ex Hitchc.) Jervis ex Cabrera (original description)
Anastraphia oligantha Urb. (original description)
Anastraphia picardae Urb. (original description)
Baccharis cotinifolia (Willd.) Urb. (original description)
Chaenocephalus rupestris Urb. accepted as Verbesina rupestris (Urb.) S.F.Blake (original description)
Chaptalia eggersii Urb. (original description)
Chaptalia media (Griseb.) Urb. (original description)
Chaptalia membranacea Urb. (original description)
Chaptalia pumila (Sw.) Urb. (original description)
Chaptalia stenocephala (Griseb.) Urb. (original description)
Erigeron araneosus Urb. accepted as Laennecia araneosa (Urb.) G.Sancho & Pruski (original description)
Erigeron domingensis Urb. (original description)
Erigeron polycladus Urb. (original description)
Eupatorium dictyoneurum Urb. accepted as Ageratina dictyoneura (Urb.) R.M.King & H.Rob. (original description)
Eupatorium gundlachii Urb. accepted as Koanophyllon gundlachii (Urb.) R.M.King & H.Rob. (original description)
Eupatorium hartii Urb. accepted as Ageratina hartii (Urb.) R.M.King & H.Rob. (original description)
Eupatorium illitum Urb. accepted as Ageratina illita (Urb.) R.M.King & H.Rob. (original description)
Eupatorium jaegerianum Urb. accepted as Koanophyllon jaegerianum (Urb.) R.M.King & H.Rob. (original description)
Eupatorium maestrense Urb. accepted as Koanophyllon maestrense (Urb.) R.M.King & H.Rob. (original description)
Eupatorium medullosum Urb. (original description)
Eupatorium mononeurum Urb. accepted as Chromolaena mononeura (Urb.) R.M.King & H.Rob. (original description)
Eupatorium polystictum Urb. accepted as Koanophyllon polystictum (Urb.) R.M.King & H.Rob. (original description)
Eupatorium semicrenatum Urb. accepted as Koanophyllon semicrenatum (Urb.) R.M.King & H.Rob. (original description)
Eupatorium triradiatum Urb. accepted as Koanophyllon triradiatum (Urb.) R.M.King & H.Rob. (original description)
Gnaphalium eggersii Urb. accepted as Pseudognaphalium crenatum (Greenm.) Anderb. (original description)
Gnaphalium portoricense Urb. accepted as Pseudognaphalium domingense (Lam.) Anderb. (original description)
Gundlachia domingensis var. corymbosa Urb. accepted as Gundlachia corymbosa (Urb.) Britton ex Bold. (original description)
Gundlachia domingensis var. genuina Urb. (original description)
Gundlachia domingensis var. lindeniana (A.Rich.) Urb. accepted as Gundlachia lindeniana (A.Rich.) Urb. (original description)
Melanthera buchii Urb. (original description)
Pluchea eggersii Urb. accepted as Pluchea foetida (L.) DC. (original description)
Sachsia bahamensis Urb. accepted as Sachsia polycephala Griseb. (original description)
Senecio lucens (Poir.) Urb. (original description)
Vernonia borinquensis Urb. (original description)
Vernonia borinquensis var. stahlii Urb. accepted as Lepidaploa borinquensis (Urb.) H.Rob. (original description)
Wedelia longipes Urb. accepted as Wedelia ehrenbergii var. ehrenbergii (original description)