Lagascea rigida (Cav.) Stuessy [ Spallanzania purpurascens Sessé & Moc.]
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Lagascea rigida (Cav.) Stuessy [ Nocca rigida Cav.] []
M. Sessé, M. Mociño, Draw. Roy. Exped. New Spain: [Hunt instutute, Turner collection no. 1664] (1787-1803)