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932 gentians, dogbanes, madders, and allies species
Trachelospermum asiaticum
Gentiana plurisetosa
Galium mexicanum
Catharanthus roseus
Galium parisiense
Gentianopsis barbellata
Galium multiflorum
Amsonia ciliata
Cynanchum rostellatum
Asclepias engelmanniana
Galium sylvaticum
Galium bolanderi
Asperula orientalis
Asclepias viridis
Galium glabrescens
Diodia virginiana
Oldenlandia corymbosa
Amsonia hubrichtii
Galium muricatum
Asclepias hallii
Nerium oleander
Sabatia campanulata
Oldenlandia capensis
Exostema nitens
Diplorhynchus condylocarpon
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