Identity
Unique IDELEMENT_GLOBAL.2.128116
Element CodePDPLM02080
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
Endemicendemic to a single state or province
KingdomPlantae
PhylumAnthophyta
ClassDicotyledoneae
OrderSolanales
FamilyPolemoniaceae
GenusCollomia
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
Rank MethodLegacy Rank calculation - Excel v3.1x
Review Date2016-03-01
Change Date1989-05-02
Edition Date2016-03-01
Edition AuthorsR. Bittman (2006), rev. Bittman and Treher (2016)
Threat ImpactHigh
Range Extent250-1000 square km (about 100-400 square miles)
Number of Occurrences6 - 80
Rank ReasonsOnly known from riparian habitats in Madera and Mariposa counties, California. Potentially threatened by logging, and, erosion, hydro projects, grazing and recreational development. Most known sites are on the Sierra NF where they probably receive at least partial protection. Historically, there were over 40,000 plants known at all sites but these counts are old. Higher levels of protection are needed. Updated site visits are also needed.
Range Extent CommentsOccurs in 2 counties in the California Sierra Nevada Mountains.
Occurrences Comments24 known occurrences but only 3 seen recently (after 2002).
Threat Impact CommentsThreats listed include logging, erosion, recreation, development, road maintenance, small hydro projects and grazing.