Columbiadoria

Columbiadoria is a small North American genus of flowering plants in the family Asteraceae.[3][4][5][6]

Columbia River daisy
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Subfamily: Asteroideae
Tribe: Astereae
Subtribe: Solidagininae
Genus: Columbiadoria
G.L.Nesom
Species:
C. hallii
Binomial name
Columbiadoria hallii
(A.Gray) G.L.Nesom
Synonyms[1][2]
  • Haplopappus hallii A.Gray
  • Hesperodoria hallii (A.Gray) Greene
  • Pyrrocoma hallii (A.Gray) Howell
  • Hoorebekia hallii (A.Gray) Piper
  • Aster howellii Kuntze

The only known species is Columbiadoria hallii, native to the northwestern United States (States of Washington and Oregon).[1] The species is a subshrub up to 60 cm (2 feet) tall. One plant produces numerous yellow flower heads with both ray florets and disc florets.[7][8][9]

References
  1. Flann, C (ed) 2009+ Global Compositae Checklist Archived 2014-11-15 at archive.today
  2. The Plant List, Columbiadoria hallii (A.Gray) G.L.Nesom
  3. Nesom, Guy L. 1991. Redefinition of Hesperodoria (Asteraceae: Astereae) and the segregation of Columbiadoria, a new monotypic genus from the western United States. Phytologia 71(3): 244–251
  4. Botanic Garden and Botanical Museum Berlin-Dahlem. "Details for: Astereae". Euro+Med PlantBase. Freie Universität Berlin. Retrieved 2009-07-18.
  5. UniProt. "Tribe Astereae". Retrieved 2009-07-18.
  6. Tropicos, Columbiadoria G.L. Nesom
  7. Biota of North America Program 2013 county distribution map
  8. Turner Photographics
  9. Paul Slichter, Columbia River Daisy, Hall's Columbiadoria, Hall's Goldenweed, Columbiadoria hallii


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