CPC Plant Profile: Keystone Canyon Thistle
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Plant Profile

Keystone Canyon Thistle (Cirsium arizonicum var. tenuisectum)

Description
  • Global Rank: T2 - Imperiled
  • Legal Status: N/A
  • Family: Asteraceae
  • State: NV, CA
  • Nature Serve ID: 791789
  • Date Inducted in National Collection: 03/23/2020

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

Based on an September 2020 extract of the California Plant Rescue Database, California Botanic Garden holds 1 accessions of Cirsium arizonicum var. tenuisectum in orthodox seed collection. There are as many as 300 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, California Botanic Garden has collected 1 seed accessions of Cirsium arizonicum var. tenuisectum from 1 plant occurrences listed in the California Natural Diversity Database. These collections together emcompass 35 maternal plants

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Photos
Nomenclature
Taxon Cirsium arizonicum var. tenuisectum
Authority D. J. Keil
Family Asteraceae
CPC Number 46913
ITIS 780833
USDA
Common Names Desert mountain thistle | Keystone canyon thistle
Associated Scientific Names Cirsium arizonicum var. tenuisectum
Distribution
State Rank
State State Rank
Nevada S1S2
California S2
Habitat

Ecological Relationships

Pollinators
Common Name Name in Text Association Type Source InteractionID
Reintroduction
Lead Institution State Reintroduction Type Year of First Outplanting

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