3389426 421094 Euphorbia colletioides Benth. 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. 82][Real Jardin Botanico no. 82] ()
2178096 421094 Euphorbia colletioides Benth. E.P. Boissier, Icon. Euphorb.: t. 39 (1866) [J.C. Heyland]
