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Gomphus bonarii (Morse) Singer

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Scientific name
Gomphus bonarii
Author
(Morse) Singer
Common names
 
IUCN Specialist Group
Mushroom, Bracket and Puffball
Kingdom
Fungi
Phylum
Basidiomycota
Class
Agaricomycetes
Order
Gomphales
Family
Gomphaceae
Assessment status
Published
Assessment date
2021-02-02
IUCN Red List Category
LC
Assessors
Siegel, N.
Reviewers
Mueller, G.M.

Assessment Notes

The content on this page is fetched from The IUCN Red List of Threatened Species: https://www.iucnredlist.org/species/195924337/195927981

Justification

Gomphus bonarii is widely distributed and very common throughout the higher elevation forests of the western United States. In many years, it is the most commonly encountered macrofungus in the Sierra Nevada and southern Cascade Range. No sign of decline has been reported and no threats have been identified. This fungus is assessed as Least Concern (LC).

Taxonomic notes

It was described as Cantharellus bonarii (Morse 1930), then transferred to the genus Gomphus (Singer 1945). Phylogenetic studies (Giachini 2004, Giachini and Castellano 2011) used conserved genetic regions to synonymize this name with Turbinellus floccosus. Other lines of evidence suggest that G. bonarii should be recognized as a distinct species. However, it was directly synonymized with Turbinellus floccosus (Giachini and Castellano 2011), and not transferred to Turbinellus, and thus to treat it separately, it is still formally within the genus Gomphus (where it doesn’t belong). The taxon treated in this description is based on a concept of a montane/northern species that is more pallid than the red-capped coastal form in Western North America going by the name T. floccosus; it is likely that neither taxon is conspecific with T. floccosus sensu stricto (described from Pennsylvania). More work is needed to delimit species in this complex.

Geographic range

It is found through most of the mountain ranges in California, USA; being especially common in the Sierra Nevada and Cascade Range, continuing north on the east side of the Cascade Range into Washington. It possibly also occurs in the northern Rocky Mountains in eastern Washington, Idaho and Montana.

Population and Trends

It is widely distributed and very common throughout the higher elevation forests of the western United States. In many years it is the most commonly encountered macrofungus in the Sierra Nevada and southern Cascade ranges (Siegel et al. 2019). There is no sign of decline in this species.

Population Trend: stable


Habitat and Ecology

It can be found scattered or in clumps in needle duff and soil in mixed conifer forest. It is ectomycorrhizal, presumably associating with both pines (Pinus spp.) and fir (Abies spp.). Fruiting most often occurs in fall, but it may also occasionally occur in late spring or summer in mid to high elevation forests.

Threats

No specific threats have been identified with regards to this species.

Conservation Actions

No specific conservation actions are needed with regards to this species. Multi-gene phylogenetic work is needed to delimit species concepts in the Turbinellus floccosus complex, and Gomphus bonarii should eventually be transferred to the genus Turbinellus.

Source and Citation

Siegel, N. 2021. Gomphus bonarii. The IUCN Red List of Threatened Species 2021: e.T195924337A195927981. https://dx.doi.org/10.2305/IUCN.UK.2021-2.RLTS.T195924337A195927981.en .Downloaded on 24 September 2021

Country occurrence