Hymenogaster subalpinus is a widespread hypogeous fungus in western North America.
Common, especially in Douglas-fir forests of the Pacific Northwest. This species should be listed as Least Concern (LC).
Described based on a Idaho, USA Type collection (Smith 1966).
Hymenogaster subalpinus is a widespread hypogeous fungus in western North America.
Common, especially in Douglas-fir forests of the Pacific Northwest. This species should be listed as Least Concern (LC).
Widespread in western North America, from northern California into southern British Columbia, east into the Rocky Mountains, south to Arizona (MyCoPortal 2021).
Population is widespread on conifer forests in western North America. There are 51 collections reported on MyCoPortal (2021), from ~25 locations, but likely highly under reported. M. Trappe et al. (2007) say “common winter species in the Pacific Northwest”. J.M. Trappe et al. (2009), state “abundant, southern WA to northern CA and northern ID”. No decline has been noted.
Population Trend: Stable
Ectomycorrhizal with Pinaceae, especially Douglas-fir (Pseudotsuga menziesii), from low elevation to montane forests. Fruit bodies hypogeous, fruiting in late fall into spring This species is likely dependent on mycophagy (primarily eaten by small mammals) for spore dispersal.
No specific threats have been identified with regards to this species.
No specific conservation actions is needed with regards to this species. Modern taxonomic research should be done on Hymenogaster in western North America.
Modern taxonomic research should be done on Hymenogaster in western North America.
None known.
MyCoPortal. 2021. Mycology Collections Portal. Available at: http://mycoportal.org.
Smith, A.H. 1966. Notes on Dendrogaster, Gymnoglossum, Protoglossum, and species of Hymenogaster. Mycologia. 58:100-124
Trappe, J.M., Molina, R., Luoma, D.L., Cázares, E., Pilz, D., Smith, J.E., Castellano, M.A., Miller, S.L. and Trappe, M.J. 2009. Diversity, Ecology, and Conservation of Truffle Fungi in Forests of the Pacific Northwest. United States Department of Agriculture. Forest Service. Pacific Northwest Research Station. General Technical Report. PNW-GTR-772.
Trappe, M., Evans, F. and Trappe, J.M. 2007. Field Guide to North American Truffles Hunting, Identifying, and Enjoying the World’s Most Prized Fungi. Ten Speed Press, Berkeley
Country | Trend | Redlisted |
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