Calflora Taxon Report
Horkelia congesta  Hook.  var. nemorosa  (D. D. Keck) M. Peck
Josephine horkelia
Horkelia congesta var. nemorosa is a perennial herb that is native to California, and also found in Oregon.
California Rare Plant Rank: 2B.1 (rare, threatened, or endangered in CA; common elsewhere).
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
~2 records in California
yellowone or more occurrences
within a 7.5-minute quadrangle
DJJJASONAFMM

Bloom Period
Parent: Horkelia congesta
Genus: Horkelia
Family: Rosaceae  
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot

Wetlands: Occurs usually in non wetlands, occasionally in wetlands

Ultramafic affinity: 3.8 - broad endemic / strong indicator

Habitat: seeps

Communities: North Coastal Coniferous Forest

Name Status:
Accepted by JEF + CNPS + POWO
Alternate Names:
JEF + CNPSHorkelia congesta ssp. nemorosa
Information about Horkelia congesta var. nemorosa from other sources
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora

Photos on Calflora

Photos on CalPhotos

Google Images

Photos on iNaturalist

ID Tips on PlantID.net

Suggested Citation
“Calflora - Taxon Report.” The Calflora Database, a non-profit organization. .

Accessed: