GRIP

GRIP



Taxon:  Polemonium occidentale Greene



Summary
Genus:
Polemonium
Family:
Polemoniaceae
Subfamily:
Polemonioideae
Nomen number:
444473
Place of publication:
Pittonia 2:75. 1890
Comment:
this species is strongly allied with Polemonium caeruleum sensu lato
Verified:
04/08/2004 ARS Systematic Botanists.
Accessions:
0 (0  active, 0  available) in National Plant Germplasm System. 
Other conspecific taxa
Polemonium occidentale Greene var. lacustre (Wherry) Lakela (0 active accession[s])
Polemonium occidentale Greene var. occidentale (0 active accession[s])
Autonyms (not in current use), synonyms and invalid designations
No images


Reference(s)
  1. Cronquist, A. et al. 1972-. Intermountain flora.
  2. Douglas, G. W. et al., eds. 1999. Illustrated flora of British Columbia.
  3. Gleason, H. A. & A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada, ed. 2
  4. Hickman, J. C., ed. 1993. The Jepson manual: higher plants of California
  5. Hitchcock, C. L. et al. 1955-1969. Vascular plants of the Pacific Northwest.
  6. Ownbey, G. B. & T. Morley. 1991. Vascular plants of Minnesota: a checklist and atlas
  7. Scoggan, H. J. 1978-1979. The flora of Canada, 4 vol. Note: = Polemonium caeruleum subsp. occidentale (Greene) Davidson
  8. Welsh, S. L. 1974. Anderson's flora of Alaska and adjacent parts of Canada. Note: = Polemonium caeruleum subsp. amygdalinum (Wherry) Munz
  9. Wetter, M. A. et al. WISFLORA: Wisconsin vascular plant species (on-line resource).
Common names
English
western Jacob's-ladder –
Distribution
order_codeStatusContinentSubcontinentCountryStateNote
1NativeNorthern AmericaNorth-Central U.S.A.United StatesMinnesotan.e.
1NativeNorthern AmericaNorth-Central U.S.A.United StatesNorth Dakotapossibly
1NativeNorthern AmericaNorth-Central U.S.A.United StatesSouth Dakotapossibly
1NativeNorthern AmericaNorth-Central U.S.A.United StatesWisconsinpossibly
1NativeNorthern AmericaNorthwestern U.S.A.United StatesColorado 
1NativeNorthern AmericaNorthwestern U.S.A.United StatesIdaho 
1NativeNorthern AmericaNorthwestern U.S.A.United StatesMontana 
1NativeNorthern AmericaNorthwestern U.S.A.United StatesOregon 
1NativeNorthern AmericaNorthwestern U.S.A.United StatesWashington 
1NativeNorthern AmericaNorthwestern U.S.A.United StatesWyoming 
1NativeNorthern AmericaSouthwestern U.S.A.United StatesCalifornia 
1NativeNorthern AmericaSouthwestern U.S.A.United StatesNevada 
1NativeNorthern AmericaSouthwestern U.S.A.United StatesUtah 
1NativeNorthern AmericaSubarctic AmericaCanadaYukon 
1NativeNorthern AmericaSubarctic AmericaUnited StatesAlaska 
1NativeNorthern AmericaWestern CanadaCanadaAlberta 
1NativeNorthern AmericaWestern CanadaCanadaBritish Columbia 
Native
Northern America
  • SUBARCTIC AMERICA: Canada [Yukon], United States [Alaska]
  • WESTERN CANADA: Canada [Alberta, British Columbia]
  • NORTH-CENTRAL U.S.A.: United States [Minnesota (n.e.), North Dakota (possibly), South Dakota (possibly), Wisconsin (possibly)]
  • NORTHWESTERN U.S.A.: United States [Colorado, Idaho, Montana, Oregon, Washington, Wyoming]
  • SOUTHWESTERN U.S.A.: United States [California, Nevada, Utah]
Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2025. Germplasm Resources Information Network (GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: https://grip.mawarid.gov.om/gringlobal/taxon/taxonomydetail?id=444473. Accessed 12 May 2025.