Cryptantha nevadensis var. rigida elevated to species with a new name, C. juniperensisMichael G. Simpson, Ronald B. Kelley|Phytotaxa|2017Cited by 4
Cryptantha whippleae (Boraginaceae), a new serpentine-adapted species endemic to northern California, U.S.A.Michael G. Simpson, Dana A York|PhytoKeys|2024Cited by 2