2 284680 Crataegus inermis Sessé & Moc. Rosaceae 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. 83][Real Jardin Botanico no. 83] ()
