Cirsium douglasii

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Cirsium douglasii

Taxonavigation

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Taxonavigation: Asterales 
Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Cladus: Asterids
Cladus: Campanulids
Ordo: Asterales

Familia: Asteraceae
Subfamilia: Carduoideae
Tribus: Cardueae
Subtribus: Carduinae
Genus: Cirsium
Species: Cirsium douglasii
Varietates: C. d. var. breweri – C. d. var. douglasii

Name

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Cirsium douglasii DC., Prodr. 6: 643 (1838).

Synonyms

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  • Homotypic
    • Carduus undulatus var. douglasii (DC.) Greene, Proc. Acad. Nat. Sci. Philadelphia 44: 360 (1892 publ. 1893).

Distribution

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Native distribution areas:
  • Northern America
    • Northwestern U.S.A.
      • Oregon.
    • Southwestern U.S.A.
      • California, Nevada.

References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition

References

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Additional references

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Vernacular names

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English: Douglas' thistle, California swamp thistle
Wikimedia Commons For more multimedia, look at Cirsium douglasii on Wikimedia Commons.