Spermacoce suaveolens (G.Mey.) Kuntze [ Spermacoce tenuior Sessé & Moc.]
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Spermacoce suaveolens (G.Mey.) Kuntze [ ] [Rubiaceae]
M. Sessé, M. Mociño, Draw. Roy. Exped. New Spain: [Hunt instutute, Turner collection no. 0410] (1787-1803)