Augusta rivalis (Benth.) J.H.Kirkbr. [ Oxyanthus triflorus Sessé & Moc.]
no HD illustration available (m1)
Augusta rivalis (Benth.) J.H.Kirkbr. [ Lindenia rivalis Benth.] [Rubiaceae]
M. Sessé, M. Mociño, Draw. Roy. Exped. New Spain: [Hunt instutute, Turner collection no. 0974] (1787-1803)