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Stropharia ambigua (Peck) Zeller

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Scientific name
Stropharia ambigua
Author
(Peck) Zeller
Common names
 
IUCN Specialist Group
Mushroom, Bracket and Puffball
Kingdom
Fungi
Phylum
Basidiomycota
Class
Agaricomycetes
Order
Agaricales
Family
Strophariaceae
Assessment status
Published
Assessment date
2021-03-17
IUCN Red List Category
LC
Assessors
Siegel, N.
Reviewers
Dahlberg, A.

Assessment Notes

The content on this page is fetched from The IUCN Red List of Threatened Species: https://www.iucnredlist.org/species/198480898/198490328

Justification

Stropharia ambigua is an abundant and widespread mushroom in western North America. It is one of the most common mushrooms in the Pacific Northwest, and is listed as Least Concern (LC).

Taxonomic notes

Described from a collection made near Portland, Oregon, USA as Hypholoma ambiguum (Peck 1898), this species was transferred into Stropharia (Zeller 1914) where it resides today.

Geographic range

This species ranges from south-central Alaska into southern California, and east into the northern Rocky Mountains. It is occasional in the edges of the range, but very abundant in northern California and the Pacific Northwest. The name Stropharia ambigua has been applied to records from China and elsewhere outside North America but these are excluded from this assessment pending clarification of their taxonomy.

Population and Trends

This is a widespread and very common species, especially in disturbed and urbanized habitats.

Population Trend: stable


Habitat and Ecology

It is saprotrophic, growing on conifer needle duff and moss, small woody debris, soil or woodchips.

Threats

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

Conservation Actions

No specific conservation action is needed with regards to this species. Taxonomic research is needed on records identified as Stropharia ambigua from areas outside North America.

Use and Trade

No use/trade is known.

Source and Citation

Siegel, N. 2021. Stropharia ambigua. The IUCN Red List of Threatened Species 2021: e.T198480898A198490328. https://dx.doi.org/10.2305/IUCN.UK.2021-2.RLTS.T198480898A198490328.en .Downloaded on 24 September 2021

Country occurrence