Taxon Report

Hesperolinon drymarioides (Curran) Small

drymaria-like western flax

Print Report


© Niall McCarten and CNPS

  Classification

Scientific Name:
Hesperolinon drymarioides (Curran) Small
Common Name:
drymaria-like western flax
Family: Linaceae
Element Code: PDLIN01090
USDA Plants Symbol: HEDR4
Synonyms/Other Names:

Ecology and Life History

Lifeform: annual herb
Blooming Period: May-Aug May-Aug
Elevation: 100-1130 (330-3710)
General Habitats: Chaparral, Cismontane woodland, Closed-cone coniferous forest, Valley and foothill grassland
Microhabitat: Serpentine
Microhabitat Details:

Occurrence Data from the CNDDB

Total Occurrences: 24
Element Occurrence Ranks:
   Excellent (A) 6
   Good (B) 8
   Fair (C) 7
   Poor (D) 0
   None (X) 0
   Unknown (U) 3
California Endemic:  True
California Counties and Islands: Name (Code)
Colusa (COL), Glenn (GLE), Lake (LAK), Napa (NAP)
Quads: Name (Quad Code)
Elk Mountain (3912238), Gilmore Peak (3912235), Hough Springs (3912225), Jericho Valley (3812274), Knoxville (3812273), Leesville (3912224), Potato Hill (3912237), St. John Mtn. (3912246), Stonyford (3912245), Wilbur Springs (3912214), Wilson Valley (3812284)

Threat List Data from the CNDDB

Threat List Total: 5
EOs with Threat Listed: Total EOs % of EOs
14 58 %
Development 6 25%
Road/trail construction/maint. 5 20%
ORV activity 4 16%
Mining 2 8%
Wood cutting or brush clearing 1 4%

Notes

Threats:

Threatened by mining and vehicles, and potentially threatened by renewable energy development.

Taxonomy:

Selected References

Bulletin of the California Academy of Sciences 1:152 (1885)
University of California Publications in Botany 32:235-314 (1961)
Hesperolinon drymarioides profile for potential Species of Conservation Concern evaluation (2018)
USFS Potential Species of Conservation Concern Profile
Citation California Native Plant Society, Rare Plant Program. 2024. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 25 December 2024].