Johnson, L.A., Gowen, D., Johnson, R.L., Brabazon, H. & Goates, E.D. (2016)

Navarretia crystallina and N. miwukensis (Polemoniaceae): new species endemic to California with affinity for soils derived from pyroclastic deposits

. Phytotaxa 257 (3): 249–260. https://doi.org/10.11646/phytotaxa.257.3.3