Roadless Areas
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Wyethia longicaulis

Gray

Humboldt County Mule's-ears

G4Apparently Secure Found in 7 roadless areas NatureServe Explorer →
G4Apparently SecureGlobal Rank
LowThreat Impact
Identity
Unique IDELEMENT_GLOBAL.2.128089
Element CodePDAST9X0A0
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
Endemicendemic to a single state or province
KingdomPlantae
PhylumAnthophyta
ClassDicotyledoneae
OrderAsterales
FamilyAsteraceae
GenusWyethia
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
Rank MethodLegacy Rank calculation - Excel v3.1x
Review Date2014-12-10
Change Date2014-12-10
Edition Date2014-12-10
Edition AuthorsStoner, N., rev. C. Thurman, rev. R. Bittmand & M. Russo (2014)
Threat ImpactLow
Range Extent5000-20,000 square km (about 2000-8000 square miles)
Number of Occurrences21 - 80
Rank Reasons
Wyethia longicaulis is a California endemic (Klamath Ranges and North Coast Ranges of Humboldt, Trinity, and Mendocino counties). Its abundance is not known. Threats include road maintenance and potentially vehicles, road construction, and logging.
Range Extent Comments
California endemic (Klamath Ranges and North Coast Ranges of Humboldt, Trinity, and Mendocino counties) (CNPS 2017).
Occurrences Comments
There are 17 unprocessed sources in CNDDB (2014), and 59 Consortium of California Herbaria records (2014).
Threat Impact Comments
Threatened by road maintenance. Potentially threatened by vehicles, road construction, and logging (CNPS 2017).
Ecology & Habitat

Habitat

Open woods and exposed ridges, yellow pine forest, Douglas Fir forest, mixed evergreen forests, coastal prairies.
Other Nations (1)
United StatesN4
ProvinceRankNative
CaliforniaS4Yes
Threat Assessments
ThreatScopeSeverityTiming
4 - Transportation & service corridors———
4.1 - Roads & railroads———
5 - Biological resource use———
5.3 - Logging & wood harvesting———
6 - Human intrusions & disturbance———
6.1 - Recreational activities———

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Plant Characteristics
Economic Value (Genus)No
Roadless Areas (7)
California (7)
AreaForestAcres
Board CampSix Rivers National Forest4,527
Mt. LassicSix Rivers National Forest6,643
Orleans Mtn. CSix Rivers National Forest15,589
PantherShasta-Trinity National Forest12,016
Pilot CreekSix Rivers National Forest9,192
SoliderSix Rivers National Forest14,918
UnderwoodSix Rivers National Forest6,591
References (4)
  1. California Native Plant Society (CNPS). 2017. Inventory of Rare and Endangered Plants (online edition, v8-02). California Native Plant Society, Sacramento, CA. Online. Available: http://www.rareplants.cnps.org (accessed 2017).
  2. California Natural Diversity Database (CNDDB). 2014. RareFind Version 5. California Department of Fish and Game, Sacramento.
  3. 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.
  4. Munz, P.A., with D.D. Keck. 1959. A California flora. Univ. California Press, Berkeley. 1681 pp.