Template:Durand & Hilgard, 1854
- Durand, E.M. & Hilgard, T.C. 1854. Plantae Heermanniae. Descriptions of new plants, collected in south California by A. L. Heermann: ... Preprint from: Journal of the Academy of Natural Sciences of Philadelphia, n.s., 3(1): 37–46. May 1855. BHL