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Taxon  Report  
Castilleja densiflora  (Benth.) T.I. Chuang & Heckard  var. obispoensis  (D.D. Keck) J.M. Egger
San luis obispo owl's-clover
Castilleja densiflora var. obispoensis is an annual herb that is native to California, and endemic (limited) to California.
California Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere).   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
(96 records)
one or more occurrences
within a 7.5-minute quadrangle
Parent: Castilleja densiflora
Genus: Castilleja
Family: Orobanchaceae  
(Scrophulariaceae)
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot

Name Status:
Accepted by CNPS
Alternate Names:
CNPSCastilleja densiflora ssp. obispoensis
More information about  Castilleja densiflora var. obispoensis
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: 10/02/2022).