protologue: Pl. Nov. Hisp. : 84 (1887)
URL protologue: https://archive.org/stream/mobot31753002189220#page/84/mode/2up
2 284680 Crataegus inermis Sessé & Moc. M. de Sessé y Lacasta, M. Mociño, Pl. Nov. Hisp.: t. 349 (1887)
2 284680 Crataegus inermis Sessé & Moc. 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] ()