Polemonium villosissimum
(Hultén) D.F. Murray & Elven
Alaska Jacob's-ladder
G4Apparently SecureGlobal Rank
Identity
Unique IDELEMENT_GLOBAL.2.877274
Element CodePDPLM0E0R0
Record TypeSPECIES
ClassificationSpecies
Classification StatusProvisional
Name CategoryVascular Plant
Endemicoccurs (regularly, as a native taxon) in multiple nations
KingdomPlantae
PhylumAnthophyta
ClassDicotyledoneae
OrderSolanales
FamilyPolemoniaceae
GenusPolemonium
Other Common NamesPolémoine velue (FR)
Concept ReferenceMurray, D.F., and R. Elven. 2011. Polemonium villosissimum (Polemoniaceae), an overlooked species in Alaska and Yukon Territory. Journal of the Botanical Research Institute of Texas 5(1):19-24.
Conservation Status
Rank MethodExpertise without calculation
Review Date2016-11-10
Change Date2016-11-10
Edition Date2012-07-18
Edition AuthorsM. Anions
Range Extent CommentsThis species occurs at high elevations in the mountains of southern & southcentral Alaska, United States and southwestern Yukon, Canada.
Ecology & Habitat
Habitat
This species is a specialist of mobile high alpine screes and exposed ridges, mainly on calcareous or circumneutral substrates (Murray & Elven 2011).
Ecology
In the St. Elias Mountains, Yukon location, this species is generally found above the limits of glacial ice during the last glacial maximum, hence nunatak persistence is suspected (Murray & Elven 2011).
Terrestrial HabitatsAlpineBare rock/talus/scree
Other Nations (2)
United StatesN4
| Province | Rank | Native |
|---|
| Alaska | SNR | Yes |
CanadaN3
| Province | Rank | Native |
|---|
| British Columbia | S2 | Yes |
| Yukon Territory | S3 | Yes |
Roadless Areas (1)
Alaska (1)
| Area | Forest | Acres |
|---|
| Twenty Mile | Chugach National Forest | 198,775 |
References (1)
- Murray, D.F., and R. Elven. 2011.<i> Polemonium villosissimum</i> (Polemoniaceae), an overlooked species in Alaska and Yukon Territory. Journal of the Botanical Research Institute of Texas 5(1):19-24.