(Eastwood) B.G. Baldwin
Identity
Unique IDELEMENT_GLOBAL.2.131924
Element CodePDASTDU020
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
Endemicendemic to a single state or province
KingdomPlantae
PhylumAnthophyta
ClassDicotyledoneae
OrderAsterales
FamilyAsteraceae
GenusAnisocarpus
SynonymsRaillardella scabridaEastw.Raillardiopsis scabrida(Eastw.) Rydb.
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.
Taxonomic CommentsBaldwin (1999) published the new combination Anisocarpus scabridus for the species treated as Raillardiopsis scabrida by Kartesz (1994, 1999). Anisocarpus is reinstated to better reflect phylogenetic relationships (Baldwin 1999). Flora of North America Editorial Committee (2006) also treats this species as Anisocarpus scabridus.
Conservation Status
Rank Method Rank calculation - Biotics v2
Review Date2020-11-24
Change Date2016-05-20
Edition Date2020-11-24
Edition AuthorsBittman, R. (2014), rev. A. Tomaino (2020)
Threat ImpactMedium
Range Extent5000-20,000 square km (about 2000-8000 square miles)
Number of Occurrences6 - 20
Rank ReasonsAnisocarpus scabridus is restricted to northern California where it occurs on to metamorphic scree slopes at high elevations. Nineteen occurrences are known. Threats include erosion, recreation, and development.
Range Extent CommentsAnisocarpus scabridus is endemic to northern California, mostly in the High North Coast Ranges (Baldwin et al. 2012; Consortium of California Herbaria 2020).
Occurrences CommentsThere are 19 occurrences in California, 12 of which were last observed over 15 years ago (California Natural Diversity Database 2020).
Threat Impact CommentsThreats include erosion, off-road vehicles, trampling, development, and roads (CNDDB 2020).