- Proposed
- Under Assessment
- Preliminary Assessed
- LCAssessed
- 5Published
Lactarius occidentalis A.H. Sm.
- 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
- Assessed
- Preliminary Category
- LC
- Proposed by
- Noah Siegel
- Assessors
- Noah Siegel
- Comments etc.
- James Westrip
Assessment Notes
Justification
Lactarius occidentalis is a common species with alder in the Pacific Northwest; from northern California into Alaska.
Population is widespread, and no decline has been observed. We recommend it should be listed as Least Concern (LC)
Taxonomic notes
Described from a Washington, USA Type collection (Hesler & Smith 1960).
Why suggested for a Global Red List Assessment?
Lactarius occidentalis is a common species with alder in the Pacific Northwest; from northern California into Alaska.
Population is widespread, and no decline has been observed. We recommend it should be listed as Least Concern (LC)
Geographic range
From the northern California USA coast, and northern Sierra Nevada mountains, north into Southeast Alaska, USA.
Population and Trends
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), which the overall population is possibly improving with current forest management.
Population Trend: Improving
Habitat and Ecology
Ectomycorrhizal with alder (Alnus spp.), especially in lowland forests. Common across much of its range, fruiting in late summer and fall.
Threats
No specific threats have been identified with regards to this species.
Conservation Actions
No specific conservation actions is needed with regards to this species. No specific research is currently needed in regards to this species.
Research needed
No specific research is currently needed in regards to this species.
Use and Trade
None known.
Bibliography
Hesler, L.R. and Smith, A.H. 1960. Studies on Lactarius II—The North American Species of Sections Scrobiculus, Crocei, Theiogali, and Vellus. Brittonia 12(4): 305-350.
Hesler, L.R. and Smith, A.H. 1979. North American Species of Lactarius. University of Michigan Press: Ann Arbor, MI. 841 p.
MyCoPortal. 2021. http://mycoportal.org/portal/index.php. Accessed on January 11.
