Calflora
Taxon  Report   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
Siskiyou Del Norte Modoc Humboldt Shasta Lassen Trinity Plumas Tehama Butte Mendocino Glenn Sierra Yuba Lake Nevada Colusa Placer Sutter El Dorado Yolo Alpine Napa Sonoma Sacramento Mono Amador Solano Calaveras Tuolumne San Joaquin Marin Contra Costa Alameda Santa Cruz Mariposa Madera San Francisco San Mateo Merced Fresno Stanislaus Santa Clara Inyo San Benito Tulare Kings Monterey San Bernardino San Luis Obispo Kern Santa Barbara Ventura Los Angeles Riverside Orange San Diego Imperial
Observation Search
(274 records)
one or more occurrences
within a 7.5-minute quadrangle

Bloom Period
Family: Boraginaceae  
Genus: Johnstonella

Communities: Creosote Bush Scrub
Name Status:
Accepted by JEF + CNPS
Alternate Names:
JEF + CNPSCryptantha costata
More information about  Johnstonella costata
Nursery availability from CNPLX
Commercial availability unknown.
CNPS Inventory


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: https://www.calflora.org/   (Accessed: 05/28/2022).