6 892775 Ruellia brevifolia (Pohl) C.Ezcurra [125 977878 Stephanophysum brevifolium Pohl] M. Sessé, V. Cervantes, M. Mociño, Drawings from the Spanish Royal Expedition to New Spain (1787–1803) (to be published in the Flora Mexicana, Real Jardin Botanico, Madrid, Spain): t. 93][Real Jardin Botanico no. 93] ()