Horkelia congesta var. nemorosa Calflora

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Taxon Report

Horkelia congesta Hook. var. nemorosa (D. D. Keck) M. Peck

Josephine horkelia

2015 John Doyen

2011 Doreen L. Smith

2015 John Doyen

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).


	Plant Range Observation Search ~2 records in California Plant Characteristics one or more occurrences within a 7.5-minute quadrangle

Bloom Period

Photos on Calflora


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

Alternate Names:


JEF + CNPS	Horkelia 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	International Plants Names Index Search efloras.org (Flora of North America) Landscape information from Calscape CNPS Inventory: 2B.1 Consortium of California Herbaria 2 Search the Native American Ethnobotany Database	Add an Observation Location Suitability Planting Guide Distribution by County
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Suggested Citation

Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals. [web application]. 2024. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/ (Accessed: 04/25/2024).