CPC Plant Profile: Marin Western Flax
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Plant Profile

Marin Western Flax (Hesperolinon congestum)

Description
  • Global Rank: G1 - Critically Imperiled
  • Legal Status: Federally Threatened
  • Family: Linaceae
  • State: CA
  • Nature Serve ID: 133531
  • Date Inducted in National Collection: 09/18/2021

heerbaceiou annual of the flax family

Participating Institutions
Updates
  • 09/01/2020
  • Orthodox Seed Banking

Based on an September 2020 extract of the California Plant Rescue Database, University of California Botanical Garden holds 1 accessions of Hesperolinon congestum in orthodox seed collection. We are uncertain as to how many total seeds are in this collection.

  • 09/01/2020
  • Orthodox Seed Banking

Based on an September 2020 extract of the California Plant Rescue Database, California Botanic Garden holds 3 accessions of Hesperolinon congestum in orthodox seed collection. There are as many as 3802 seeds of this species in their collection - although some may have been used for curation testing or sent to back up.

  • 08/05/2020
  • Seed Collection

Based on an August 2020 extract of the California Plant Rescue Database, University of California Botanical Garden has collected 1 seed accessions of Hesperolinon congestum from 1 plant occurrences listed in the California Natural Diversity Database. These collections together emcompass an unknown number of maternal plants

  • 08/05/2020
  • Seed Collection

Based on an August 2020 extract of the California Plant Rescue Database, California Botanic Garden has collected 1 seed accessions of Hesperolinon congestum from 1 plant occurrences listed in the California Natural Diversity Database. These collections together emcompass an unknown number of maternal plants

  • 01/01/2010

residential and recreational development, foot traffic and comptition with non-native species

  • 01/01/2010

five populations on the Tiburon Peninsula, three populations on Carson Ridge, two populations on Mt. Burdell Open Space, one population on Big Rock two extant populations known from the Presidio in San Francisco Co. San Mateo Co. contains frou locations

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Photos
Nomenclature
Taxon Hesperolinon congestum
Authority (Gray) Small
Family Linaceae
CPC Number 2225
ITIS 29241
USDA HECO12
Common Names Marin Dwarf-flax
Associated Scientific Names Hesperolinon congestum | Linum congestum | Linum californicum var. congestum
Distribution NA
State Rank
State State Rank
California S2
Habitat

found in serpentine chaparral or serpentine bunchgrass

Ecological Relationships

Pollinators
Common Name Name in Text Association Type Source InteractionID

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