Roadless Areas
Home/Species/ Shasta Snow-wreath

Neviusia cliftonii

Shevock, Ertter & Taylor

Shasta Snow-wreath

G2Imperiled Found in 3 roadless areas NatureServe Explorer →
G2ImperiledGlobal Rank
HighThreat Impact
Identity
Unique IDELEMENT_GLOBAL.2.145922
Element CodePDROS14020
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
Endemicendemic to a single state or province
KingdomPlantae
PhylumAnthophyta
ClassDicotyledoneae
OrderRosales
FamilyRosaceae
GenusNeviusia
Concept Reference
Kartesz, 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 Date2015-08-18
Change Date2005-11-22
Edition Date2005-11-22
Edition AuthorsD. Gries, rev. R. Bittman (7/98), rev. R. Bittman 2005
Threat ImpactHigh
Range Extent250-1000 square km (about 100-400 square miles)
Number of Occurrences21 - 80
Rank Reasons
Endemic to California, Neviusia cliftonii is known from 15-25 occurrences near Lake Shasta in Shasta County. Threats are logging and mining. Most sites occur on USFS lands but none are fully protected. The habitat of this plant needs to be better understood.
Range Extent Comments
California endemic, occurs near Lake Shasta in Shasta County. The total range covers about 250 sq mi.
Occurrences Comments
Known from 15 occurrences plus there are 10 new field forms in the backlog. Some of the new forms may represent updates.
Threat Impact Comments
Potentially threatened by logging and mining.
Ecology & Habitat

Habitat

Lower montane coniferous forest, riparian woodland; carbonate soils (Skinner, 1997).
Terrestrial Habitats
Forest/Woodland
Palustrine Habitats
Riparian
Other Nations (1)
United StatesN2
ProvinceRankNative
CaliforniaS2Yes
Plant Characteristics
Economic Value (Genus)No
Roadless Areas (3)
California (3)
AreaForestAcres
Devils RockShasta-Trinity National Forest16,209
East GirardShasta-Trinity National Forest27,894
West GirardShasta-Trinity National Forest37,516
References (8)
  1. Bittman, R. 1998. Lead Botanist, California Natural Diversity Database. Unpublished notes on fifty rare plants of California for purposes of updating Element Global Ranking (EGR) forms. California Natural Heritage Division, Dep. of Fish & Game, Sacramento, California, U.S.A.
  2. Flora of North America Editorial Committee (FNA). 2014b. Flora of North America north of Mexico. Vol. 9. Magnoliophyta: Picramniaceae to Rosaceae. Oxford University Press, New York. xxiv + 713 pp.
  3. Hickman, J. C., ed. 1993. The Jepson manual: Higher plants of California. University of California Press, Berkeley, CA. 1400 pp.
  4. Kartesz, 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.
  5. Skinner, M.W., and B.M. Pavlik, eds. 1997 (1994). Inventory of rare and endangered vascular plants of California. 1997 Electronic Inventory Update of 1994 5th edition, California Native Plant Society, Special Publication No. 1, Sacramento.
  6. U.S. Fish and Wildlife Service (USFWS). 2021. 90-Day Findings for Three Species. Notice of petition findings and initiation of status reviews. Federal Register 86(55): 15637-15639.
  7. U.S. Fish and Wildlife Service (USFWS). 2023. National Listing Workplan. Online. Available: https://www.fws.gov/project/national-listing-workplan
  8. U.S. Fish and Wildlife Service (USFWS). 2024. National Listing Workplan. Online. Available: https://www.fws.gov/project/national-listing-workplan.