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Lactarius occidentalis A.H. Sm.

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Scientific name
Lactarius occidentalis
Author
A.H. Sm.
Common names
 
IUCN Specialist Group
Mushroom, Bracket and Puffball
Kingdom
Fungi
Phylum
Basidiomycota
Class
Agaricomycetes
Order
Russulales
Family
Russulaceae
Assessment status
Published
Assessment date
2021-02-01
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/195922525/195927413

Justification

Lactarius occidentalis is a common species found in association with alder in the Pacific Northwest, from northern California into Alaska. The species is widespread, and no decline has been observed. It is listed as Least Concern (LC).

Taxonomic notes

It was described from a Washington, USA, type collection (Hesler and Smith 1960).

Geographic range

This species occurs from the northern California coast and northern Sierra Nevada mountains, north into south-east Alaska, USA.

Population and Trends

The population is widespread across the Pacific Coast of North America, and Cascade Range in the Pacific Northwest. It is mutually associated with alder (Alnus spp), and the overall population is possibly increasing with current forest management which favours alder.

Population Trend: increasing


Habitat and Ecology

It is ectomycorrhizal with alder (Alnus spp.), especially in lowland forests. It is common across much of its range, with fruiting in late summer and fall.

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, and no specific research is currently needed either in regards to this species.

Use and Trade

No use/trade is known.

Source and Citation

Siegel, N. 2021. Lactarius occidentalis. The IUCN Red List of Threatened Species 2021: e.T195922525A195927413. https://dx.doi.org/10.2305/IUCN.UK.2021-2.RLTS.T195922525A195927413.en .Downloaded on 29 September 2021

Country occurrence