//2 340186 Didymaea alsinoides (Cham. & Schltdl.) Standl. [80 699779 Nertera alsinoides Cham. & Schltdl.] 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. 39][Real Jardin Botanico no. 39] ()