Identity
Unique IDELEMENT_GLOBAL.2.135077
Element CodePDSCR0D280
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
Endemicendemic to a single nation
KingdomPlantae
PhylumAnthophyta
ClassDicotyledoneae
OrderScrophulariales
FamilyOrobanchaceae
GenusCastilleja
Concept ReferenceKartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
Conservation Status
Review Date1999-05-19
Change Date1998-02-01
Edition Date1999-05-19
Edition AuthorsFertig, W./Gries, D. (1999)
Number of Occurrences21 - 80
Rank ReasonsEndemic to southwestern Montana and northern Wyoming, Castilleja nivea occurs in the rocky tundra and fellfields of the Absaroka and Beartooth Ranges. In Wyoming, the species is known from approximately twenty extant populations. At least eight of the twenty populations occur in designated wilderness areas and most others are in high elevation, rugged sites with low threats. Populations may be locally abundant, although they are often restricted to small areas of suitable habitat.
Range Extent CommentsRegional endemic of SW Montana and NW Wyoming.
Occurrences CommentsIn Wyoming, known from approximately twenty extant populations (Walt Fertig, personal communication 1999).
Threat Impact CommentsAt least eight populations occur in designated wilderness areas and most others are in high elevation, rugged sites with low threats (Walt Fertig, personal communication 1999).