- Scientific name
- Amanita augusta
- Bojantchev & R.M. Davis
- Common names
- IUCN Specialist Group
- Mushroom, Bracket and Puffball
- Assessment status
- Assessment date
- IUCN Red List Category
- Siegel, N.
- Mueller, G.M.
is a common and widespread species in western North America, with no recorded threats or evidence of decline. It is assessed as Least Concern (LC).
The western North American Amanita augusta
was long referred to by the name Amanita aspera
Fries (Thiers 1982, Arora 1986), a European species, and later Amanita franchetii
(Boudier) Fayod, before being described as a distinct species (Bojantchev and Davis 2013).
This species is widespread in the Pacific states of North America. It is very common in coastal California, north into south-east Alaska; occasional in the Sierra Nevada and Cascade Range in California and Oregon; more common in lower and mid elevations in the Washington Cascades; and occasional in the northern Rocky Mountains.
Population and Trends
The population is widespread, and locally it is a very common species. It occurs in young to mature forests of many types. No decline has been noted.
Population Trend: stable
Habitat and Ecology
This species is ectomycorrhizal with both conifers and hardwoods; especially pine (Pinus
spp.), spruce (Picea
spp.), Douglas fir (Pseudotsuga menziesii
) and oak (Quercus
spp.). It occurs in young to mature forests, fruiting in late summer and fall in the north, into spring in the south.
No specific threats have been identified with regards to this species.
No specific conservation actions are needed with regards to this species, and no specific research is needed either with regards to this species.
Use and Trade
No use/trade is known.
Source and Citation
Siegel, N. 2021. Amanita augusta. The IUCN Red List of Threatened Species 2021: e.T195921713A195925896. https://dx.doi.org/10.2305/IUCN.UK.2021-2.RLTS.T195921713A195925896.en
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