Polyctenium williamsiae Calflora

Calflora, a 501c3 non-profit

Taxon Report

Polyctenium williamsiae Rollins

Williams's combleaf

2020 Matt Berger

2009 Steve Matson

2020 Matt Berger

2009 Steve Matson

2020 Matt Berger

Polyctenium williamsiae is a perennial herb that is native to California.

also called Polyctenium fremontii

California Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and elsewhere).


	Plant Range Observation Search (18 records) Plant Characteristics one or more occurrences within a 7.5-minute quadrangle

Bloom Period

Photos on Calflora


Genus:	Polyctenium
Family:	Brassicaceae
Category:	angiosperm
PLANTS group:	Dicot
Jepson eFlora section: eudicot

Name Status:
Accepted by CNPS + PLANTS

Alternate Names:


PLANTS	Polyctenium fremontii var. confertum

Information about Polyctenium williamsiae from other sources


Nursery availability from CNPLX Commercial availability unknown. USDA PLANTS Profile (POWI) 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 BONAP Distribution Map CNPS Inventory: 1B.2 Consortium of California Herbaria 2	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]. 2023. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/ (Accessed: 05/27/2023).