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Calonarius verrucisporus

(Thiers & A.H. Sm.) Niskanen & Liimat.

a fungus

G3Vulnerable (G3G4) Found in 7 roadless areas NatureServe Explorer →
G3VulnerableGlobal Rank
High - mediumThreat Impact
Identity
Unique IDELEMENT_GLOBAL.57.9927
Element CodeNFSM000048
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryFungus
KingdomFungi
PhylumBasidiomycota
ClassBasidiomycetes
OrderAgaricales
FamilyCortinariaceae
GenusCalonarius
Synonyms
Cortinarius verrucisporusThiers & A.H. Sm.
Concept Reference
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
Taxonomic Comments
Species Fungorum (2025) transfers Cortinarius verrucisporus to Calonarius verrucisporus; these represent the same concept for the element.
Conservation Status
Review Date2006-06-30
Change Date2002-11-23
Edition Date2002-11-23
Edition AuthorsMichelle Seidl
Threat ImpactHigh - medium
Range Extent1000-20,000 square km (about 400-8000 square miles)
Number of Occurrences6 - 20
Rank Reasons
More data is needed to be certain of distribution. Most commonly know from the Sierras in CA, southern Cascades of OR and CA and also known from the northern Rockies. It has a narrow range extent preferring dry, montane, late successional conifer forests.
Range Extent Comments
Known from high elevation coniferous forests in southern OR and Northern CA as well as the northern Rocky Mountains.
Occurrences Comments
Known from high elevation coniferous forests on eastside of Cascades in WA, OR, and Northern CA. It occurs south into the Sierra Nevada Range as well as the northern Rocky Mountains.
Ecology & Habitat
Other Nations (1)
United StatesNNR
ProvinceRankNative
OregonS2Yes
Plant Characteristics
DurationEPHEMERAL FRUITING BODY
Economic Value (Genus)No
Roadless Areas (7)
California (4)
AreaForestAcres
MayfieldLassen National Forest14,444
Mt. RebaStanislaus National Forest3,869
Mt. Shasta AShasta-Trinity National Forest676
Mt. Shasta BShasta-Trinity National Forest2,809
Oregon (1)
AreaForestAcres
Badger CreekMt. Hood National Forest847
Washington (2)
AreaForestAcres
Grassy TopColville National Forest10,302
Grassy TopIdaho Panhandle National Forests13,485
References (7)
  1. 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
  2. Dr. J. Ammirati pers. comm.
  3. 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.
  4. 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.
  5. ISMS database
  6. MycoBank. 2025. MycoBank database download, export date January 2025. International Mycological Association. [http://www.mycobank.org]
  7. Seidl, Michelle. Personal observations.