Triodanis perfoliata var. biflora (Ruiz & Pav.) Bradley
Campanulaceae
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T. R. Van Devender
2009-154
2009-05-17
May,17,2009
Mexico, Sonora, Nogales Municipio, CaƱon Planchas de Plata, upstream (north) from Rancho Esmeralda (=Rancho Las Borregas), southeast end of Sierra La Esmeralda.