Clitocybe subditopoda

Peck

a fungus

G3Vulnerable (G3G4) Found in 1 roadless area NatureServe Explorer →
G3VulnerableGlobal Rank
High - mediumThreat Impact
Identity
Unique IDELEMENT_GLOBAL.57.9897
Element CodeNFSM000033
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryFungus
KingdomFungi
PhylumBasidiomycota
ClassBasidiomycetes
OrderAgaricales
FamilyTricholomataceae
GenusClitocybe
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
Conservation Status
Review Date2006-06-30
Change Date2002-11-22
Edition Date2002-11-22
Edition AuthorsHawes, Susan M.
Threat ImpactHigh - medium
Range Extent>2,500,000 square km (greater than 1,000,000 square miles)
Number of Occurrences6 - 20
Rank Reasons
Estimated range is greater than 1,000,000 square miles worldwide, but the species only appears to be located in coastal and mid-elevation conifer forests in the northern lower 48 of the United States and in Quebec, Canada. Long-term and short-term trends unknown. Widespread, low-severity threat. There is one protected occurrence each in Washington and New Hampshire. Moderately vulnerable. Narrow environmental specificity. Because of a lack of collections and information about this species and the widespread possible habitat for this species, the guide for ranking poorly known species was used to assign the Grank.

Range Extent Comments
Estimated range greater than 1,000,000 square miles worldwide. Primarily found in the northern coastal and mid-elevation conifer forests of the lower 48 of the United States--from the east to the west coast--and in Quebec, Canada.
Occurrences Comments
Estimated number of occurrences is 15. The ISMS database contains 9 records. The ISMS map shows 2 sites on the Olympic Peninsula in Washington (representing two occurences) and one near Arcata, California (representing 2 occurrences). The Handbook to Strategy 1 Fungal Species in the Northwest Forest Plan notes 3-4 sites on the Olympic Peninsula in Washington and 1-2 sites in Clackamas County, Oregon. Other areas where this species has been noted include New Hampshire, Michigan, New York and Montreal, Canada.
Threat Impact Comments
Moderate, non-imminent threat. Widespread logging, road and trail construction, or other activities that destroy the mossy, shaded substrates and Picea and Pinus needle beds on which this species grows, may threaten the species.
Ecology & Habitat

Habitat

This species is found on needle beds beneath conifers in coastal forests of Washington and mid-elevational forests in Oregon (BLM).
Terrestrial Habitats
Forest - Conifer
Other Nations (2)
United StatesNNR
ProvinceRankNative
OregonS1Yes
CanadaNU
ProvinceRankNative
Nova ScotiaSUYes
QuebecS3Yes
British ColumbiaSUYes
Plant Characteristics
DurationEPHEMERAL FRUITING BODY
Economic Value (Genus)No
Roadless Areas (1)
North Carolina (1)
AreaForestAcres
BearwallowPisgah National Forest4,113
References (12)
  1. Bigelow, H.E. 1985. North American species of <i>Clitocybe</i>. Part II. Beihefte zur Nova Hedwigia 81: 281-471.
  2. CABI Bioscience, Centraalbureau voor Schimmelcultures & Manaaki Whenua - Landcare Research Databases. 2005. Index fungorum. Available at www.indexfungorum.org (Accessed 2005).
  3. 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
  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. L'herbier de champignons du Cercle des mycologues de Montréal. Updated 2001. Montreal, Quebec. www.mycomontreal.qc.ca/etude/herbi2h1.htm
  7. MycoBank. 2025. MycoBank database download, export date January 2025. International Mycological Association. [http://www.mycobank.org]
  8. New York State Museum (NYS). Mycological Herbarium Type Specimen Database. 1999. Albany, New York. http://mapserver.nysed.gov/data/fungi/fungiall.html
  9. Squam Lakes Association Bio-monitoring Project. Updated 2002. Van de Poll, Rick, Ph.D. Holderness, New Hampshire. www.squamlakes.org/sla/Squam_fungi_list.htm
  10. The University of Michigan Herbarium. Michigan Fungal Bioinformatics Project database. Updated 2000. http://www.herb.lsa.umich.edu/combqury.htm
  11. U.S. Bureau of Land Management (BLM). Management Recommendations - Group 16. https://www.blm.gov/or/plans/surveyandmanage/MR/Fungi/GRP16.htm
  12. USDA Forest Service, USDI Bureau of Land Management, USDI Fish and Wildlife Service. 2002. Interagency Species Management System [ISMS] database. Portland, Oregon.