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932 gentians, dogbanes, madders, and allies species
Sabatia formosa
Sabatia dodecandra
Sabatia macrophylla
Spermacoce densiflora
Spermacoce floridana
Spermacoce tenuior
Spermacoce tetraquetra
Spigelia loganioides
Wrightia arborea
Galium oelandicum
Exacum affine
Galium suecicum
Vincetoxicum hirsutum
Morinda latibractea
Morinda pedunculata
Funtumia elastica
Calotropis gigantea
Gardenia tannaensis
Geniostoma hosakanum
Zeltnera breviflora
Zeltnera nevadensis
Galium latifolium
Geniostoma hedyosmifolium
Geniostoma kaalae
Geniostoma tinifolium
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