Amanita constricta, commonly known as the constricted grisette[1][2] or great grey-sack ringless amanita[3] is a species of mushroom-forming fungus in the family Amanitaceae. It is edible, but it is not recommended for consumption due to confusion with poisonous species.[2]

Amanita constricta
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Agaricales
Family: Amanitaceae
Genus: Amanita
Species:
A. constricta
Binomial name
Amanita constricta
Theirs & Ammirati (1982)

Description

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Amanita constricta has a brown cap that is about 2–6 in (5–15 cm) wide.[1] The stipe is about 3–6 in (8–15 cm) tall and about 0.4–1 in (1.0–2.5 cm) wide.[1] The mushroom has a volva that tightly attaches to the stipe.[1]

Habitat and ecology

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Amanita constricta is mycorrhizal,[1] and grows under oak and Douglas fir.[3] It was originally described from California, but its range may extend up into Canada.[3]

Amanita constricta
 Gills on hymenium
   Cap is convex or flat
 Hymenium is adnexed
 Stipe has a volva
 
Spore print is white
 Ecology is mycorrhizal
 Edibility is not recommended

References

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  1. ^ a b c d e Siegel, Noah; Schwarz, Christian (September 1, 2024). Mushrooms of Cascadia: A Comprehensive Guide to Fungi of the Pacific Northwest. Humboldt County, CA: Backcountry Press. pp. 48-60. ISBN 9781941624197.
  2. ^ a b Arora, David (1986). Mushrooms demystified: a comprehensive guide to the fleshy fungi (Second ed.). Berkeley: Ten Speed Press. p. 289. ISBN 978-0-89815-169-5.
  3. ^ a b c "Amanita constricta - Amanitaceae.org - Taxonomy and Morphology of Amanita and Limacella". www.amanitaceae.org. Retrieved 2024-10-22.