16 581893 Lagascea rigida (Cav.) Stuessy [117 702081 Nocca rigida Cav.] F.H.A. von Humboldt, A. Bonpland, K.S. Kunth, Nov. Gen. Sp. [coloured version], vol. 4 : t. 311 (1820) [P.J.F. Turpin]
16 581893 Lagascea rigida (Cav.) Stuessy [117 702081 Nocca rigida Cav.] F.H.A. von Humboldt, A. Bonpland, K.S. Kunth, Nov. Gen. Sp., vol. 4 : t. 311 (1820) [P.J.F. Turpin]
35 581893 Lagascea rigida (Cav.) Stuessy [122702081 Nocca rigida Cav.] M. Sessé, M. Mociño, Draw. Roy. Exped. New Spain: [Hunt instutute, Turner collection no. 1664] (1787-1803)
37 581893 Lagascea rigida (Cav.) Stuessy [125 581886 Lagascea mocinniana Moc. & Sessé ex DC.] 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. 105][Real Jardin Botanico no. 105] ()