Distribution by County   13384    
Johnstonella costata  (Brandegee) Hasenstab & M.G. Simpson
ribbed cryptantha
Johnstonella costata, a dicot, is an annual herb that is native to California, and also found in Baja California and Arizona.
California Rare Plant Rank: 4.3 (limited distribution).   CNDDB
Record Count by County

Imperial: 83 Riverside: 87 San Diego: 35
Inyo: 37 San Bernardino: 79

Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria. [web application]. 2022. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: 07/07/2022).