Roadless Areas
Home/Species/ Pacific Fuzzwort

Ptilidium californicum

(Aust.) Underw.

Pacific Fuzzwort

G4Apparently Secure (G4G5) Found in 14 roadless areas NatureServe Explorer →
G4Apparently SecureGlobal Rank
UnknownThreat Impact
Identity
Unique IDELEMENT_GLOBAL.2.125201
Element CodeNBHEP2U010
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryNonvascular Plant
Endemicoccurs (regularly, as a native taxon) in multiple nations
KingdomPlantae
PhylumHepatophyta
ClassJungermanniopsida
OrderJungermanniales
FamilyPtilidiaceae
GenusPtilidium
Concept Reference
Stotler, R. and B. Crandall-Stotler. 1977. A checklist of the liverworts and hornworts of North America. The Bryologist 80(3): 405-428.
Conservation Status
Rank MethodExpertise without calculation
Review Date2017-07-20
Change Date2017-07-20
Edition Date2002-11-21
Edition AuthorsChristy, John A. and Judith Harpel
Threat ImpactUnknown
Range Extent200,000-2,500,000 square km (about 80,000-1,000,000 square miles)
Number of Occurrences> 300
Rank Reasons
Estimated 1500 occurrences worldwide. Estimated 100 occurrences worldwide with good viability. Estimated 30,000 individuals worldwide. Estimated range is 100,000 square miles worldwide. Estimated area of occupancy is 1000 acres worldwide. Moderate long-term decline of 25-50% worldwide. Short-term decline of 10-30% worldwide. Slightly threatened worldwide. Estimated 70 protected areas worldwide. Not intrinsically vulnerable. Narrow environmental specificity.
Range Extent Comments
Estimated range is 100,000 square miles worldwide. Amphiberingian distribution: Japan, Alaska, British Columbia, Alberta, Washington, Idaho, Oregon, California.
Ecology & Habitat

Habitat

This species is found on small conifers in old growth forests (Jonsson, 1996) (Christy and Wagner, 1996).
Terrestrial Habitats
Forest/WoodlandForest - Conifer
Other Nations (2)
CanadaN5
ProvinceRankNative
British ColumbiaS5Yes
AlbertaSUYes
United StatesNNR
ProvinceRankNative
CaliforniaS3Yes
AlaskaSNRYes
WashingtonSNRYes
MontanaSNRYes
OregonSNRYes
IdahoS2Yes
Plant Characteristics
Economic Value (Genus)No
Roadless Areas (14)
Alaska (4)
AreaForestAcres
Five MileTongass National Forest19,459
LindenbergTongass National Forest25,855
Sitka SoundTongass National Forest13,459
South RevillaTongass National Forest52,105
Oregon (7)
AreaForestAcres
Bulldog RockUmpqua National Forest6,056
Bulldog RockWillamette National Forest559
Echo MountainWillamette National Forest8,098
ElkhornWillamette National Forest9,380
Gordon MeadowsWillamette National Forest9,463
Opal CreekWillamette National Forest5,417
Wind CreekMt. Hood National Forest5,438
Washington (3)
AreaForestAcres
Glacier Peak KMt Baker-Snoqualmie National Forest47,269
LightningOlympic National Forest7,179
Upper SkokomishOlympic National Forest9,311
References (7)
  1. Christy, J.A. and D.H. Wagner. 1996. Guide for the identification of rare, threatened or sensitive bryophytes in the range of the northern spotted owl, western Washington, western Oregon, and northwestern California. USDI Bureau of Land Management. 200 pp.
  2. Jonsson, B. G. 1996. Riparian Bryophytes of the H. J. Andrews Experimental Forest in the Western Cascades, Oregon. The Bryologist, 99(2), 226–235.
  3. Stotler, R. and B. Crandall-Stotler. 1977. A checklist of the liverworts and hornworts of North America. The Bryologist 80(3): 405-428.
  4. Stotler, R.E. and B. Crandall-Stotler. 2017. A synopsis of the liverwort flora of North America north of Mexico. Ann. Missouri Bot. Gard. 102: 574-709.
  5. University of Alberta. 2002. Devonian Botanic Garden bryophyte database. Edmonton, Alberta. <http://www.devonian.ualberta.ca/devonian/bryosearch.cfm>.
  6. USDA Forest Service, USDI Bureau of Land Management, USDI Fish and Wildlife Service. 2002. Interagency Species Management System [ISMS] database. Portland, Oregon.
  7. U.S. Department of Interior, Bureau of Land Management OR/WA/CA (BLM). 1998. Instruction Memorandum No. OR-99-039 [to the U.S. Department of Agriculture, Forest Service R-5/6]: Management Recommendations for Bryophytes, Version 2.0. December 1998. Online. Available: http://www.blm.gov/or/plans/surveyandmanage/MR/Bryo990921/bryomrs.pdf (Accessed 2010)