• Proposed
  • Under Assessment
  • Preliminary Assessed
  • LCAssessed
  • Published

Mycolevis siccigleba A.H. Sm.

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Scientific name
Mycolevis siccigleba
Author
A.H. Sm.
Common names
 
IUCN Specialist Group
Mushroom, Bracket and Puffball
Kingdom
Fungi
Phylum
Basidiomycota
Class
Agaricomycetes
Order
Russulales
Family
Albatrellaceae
Assessment status
Published
Proposed by
Noah Siegel
Assessors
Noah Siegel
Comments etc.
James Westrip

Assessment Notes

Justification

Mycolevis siccigleba is a widespread hypogeous fungus in western North America, mostly occurring in drier conifer forests.

Currently known from ~90 collections from 50+ locations, with no documented decline. Based on this, I recommend listing as Least Concern.


Taxonomic notes

Described from a collection made at Priest River in northern Idaho, USA (Smith 1965).


Why suggested for a Global Red List Assessment?

Mycolevis siccigleba is a widespread hypogeous fungus in western North America, mostly occurring in drier conifer forests.

Currently known from ~90 collections from 50+ locations, with no documented decline. Based on this, I recommend listing as Least Concern.


Geographic range

Scattered throughout the drier conifer forests in the western North American mountains, including the Sierra Nevada and Siskiyou range in California, USA, across the peaks in the Great Basin into the Rocky Mountains in Colorado, north through Idaho and eastern Washington into southern British Columbia, Canada. There are also a couple records from the Olympic Peninsula in Washington, and eastern Cascade Range in Oregon.

Highly disjunct collections reported from Mexico are not included in this assessment until genetic studies compare them to collections from the main population.


Population and Trends

Population is very widespread; currently known from ~90 collections from 50+ locations. No specific habitat requirements have been noted, therefore assessment on decline of habitat and trends of this species is lacking.

Population Trend: Uncertain


Habitat and Ecology

Hypogeous, solitary or scattered, buried in duff or soil. Ectomycorrhizal, most collections come from forest with fir (Abies spp.) and spruce (Picea spp.). Likely also with Douglas-fir (Pseudotsuga menziesii). Fruiting from spring into fall; this species is dependent on mycophagy (primarily eaten by small mammals) for spore dispersal.   

Temperate Forest

Threats

No specific threats have been directly linked to this species. The habitat overall has suffered from prolonged droughts and decades of fire suppression have drastically altered western montane forests, leading to thicker, denser, Abies dominated forests. As a result, hotter, stand replacing fires (rather than patchwork and understory burns) are commonplace, altering appropriate habitat drastically, and making it ill-suited for this species.

Increase in fire frequency/intensityHabitat shifting & alterationDroughts

Conservation Actions

No specific conservation action has been identified with regards to this species at this time.


Research needed

A better understanding of habitat requirements and restraints of this species. Population trends and overall range. Modern taxonomic work, comparing outlying collections (Mexico, coastal, etc).

TaxonomyPopulation size, distribution & trendsLife history & ecology

Use and Trade

None known.


Bibliography

Albee-Scott, S. 2007. The position of the Leucogastrales, including Mycolevis siccigleba (Cribbeaceae) in the Albatrellaceae using morphological and molecular data. Mycological Research 111: 653–662.

Fogel, R. 1976. Notes on distribution and spore ornamentation of Mycolevis siccigleba (Basidiomycetes, Cribbeaceae). Mycologia 68: 1097–1103.

MyCoPortal. 2021. http://mycoportal.org/portal/index.php. Accessed on February 24.

Smith, A.H. 1965. New and unusual basidiomycetes with comments on hyphal and spore wall reactions with Melzer’s solution. Mycopathologia et Mycologia Applicata 26: 385–402.


Country occurrence

Regional Population and Trends

Country Trend Redlisted