Template:Gray, 1855
- Gray, A. 1855. Plantæ Novæ Thurberianæ: The characters of some new genera and species of plants in a collection made by George Thurber, Esq., of the late Mexican Boundary Commission, chiefly in New Mexico and Sonora. Memoirs of the American Academy of Arts and Science, new series Vol 5, part 2: 297–328. BHL