Mycena tenax

A.H. Sm.

a fungus

G3Vulnerable (G3G4) Found in 2 roadless areas NatureServe Explorer →
G3VulnerableGlobal Rank
LowThreat Impact
Identity
Unique IDELEMENT_GLOBAL.57.10161
Element CodeNFSM000107
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryFungus
Endemicoccurs (regularly, as a native taxon) in multiple nations
KingdomFungi
PhylumBasidiomycota
ClassBasidiomycetes
OrderAgaricales
FamilyTricholomataceae
GenusMycena
Concept Reference
Castellano, M.A., E. Cazares, B. Fondrick, and T. Dreisbach. 2003. Handbook to additional fungal species of Special Concern in the Northwest Forest Plan. Gen. Tech. Rep. PNW-GTR-572. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 144 pp. Online. Available: https://www.fs.usda.gov/pnw/pubs/pnw_gtr572.pdf
Conservation Status
Review Date2006-06-30
Change Date2002-11-23
Edition Date2002-11-26
Edition AuthorsMichelle Seidl
Threat ImpactLow
Range Extent1000-20,000 square km (about 400-8000 square miles)
Number of Occurrences21 - 80
Rank Reasons
Known from roughly 30 collections, 17 of which are historical (over 50 years old). Narrow range extent.
Range Extent Comments
Known from western North America, Canada, New York.
Occurrences Comments
Unknown exactly how many collections - 30 for sure in western North America. Also occurs in Canada and New York. No reports other than the USA and Canada.
Ecology & Habitat
Other Nations (2)
United StatesNNR
ProvinceRankNative
OregonS2Yes
CanadaN4
ProvinceRankNative
British ColumbiaS4Yes
Nova ScotiaSUYes
QuebecS4Yes
Plant Characteristics
DurationEPHEMERAL FRUITING BODY
Economic Value (Genus)No
Roadless Areas (2)
Oregon (1)
AreaForestAcres
Echo MountainWillamette National Forest8,098
Washington (1)
AreaForestAcres
Rugged RidgeOlympic National Forest4,358
References (9)
  1. Castellano, M.A., E. Cazares, B. Fondrick, and T. Dreisbach. 2003. Handbook to additional fungal species of Special Concern in the Northwest Forest Plan. Gen. Tech. Rep. PNW-GTR-572. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 144 pp. Online. Available: https://www.fs.usda.gov/pnw/pubs/pnw_gtr572.pdf
  2. Castellano, M. A., J. E. Smith, T. O'Dell, E. Cazares and S. Nugent. 1999. Handbook to strategy 1 fungal species in the Northwest Forest Plan. USDA Forest Service General Technical Report PNW-GTR-476. Northwest Research Station, Portland, OR. 195 pp. Online. Available: https://www.fs.usda.gov/pnw/pubs/pnw_gtr476.pdf
  3. Geesteranus, R. A. Maas. 1992. Mycenas of the Northern Hemisphere. North-Holland: Amsterdam.
  4. Index Fungorum and Species Fungorum. 2018. <i>In</i> Index Fungorum-Species Fungorum (<a href="https://indexfungorum.org" target="_blank">https://indexfungorum.org</a> and <a href="https://speciesfungorum.org" target="_blank">https://speciesfungorum.org</a>) database export on 16 June 2018. Royal Botanic Gardens, Kew.
  5. Index Fungorum and Species Fungorum. 2025. <i>In</i> Index Fungorum-Species Fungorum (<a href="https://indexfungorum.org" target="_blank">https://indexfungorum.org</a> and <a href="https://speciesfungorum.org" target="_blank">https://speciesfungorum.org</a>) database export on 29 September 2025. Royal Botanic Gardens, Kew.
  6. ISMS database
  7. MycoBank. 2025. MycoBank database download, export date January 2025. International Mycological Association. [http://www.mycobank.org]
  8. Smith, A. H. 1947. North American species of <i>Mycena</i>. University of Michigan Press, Ann Arbor. 521 pp.
  9. Species Fungorum. Species Fungorum Partnership (CABI, IT IS, Catalogue of Life). http://www.speciesfungorum.org. (accessed 2015)