Amanita calyptroderma
| Amanita calyptroderma | |
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| Amanita calyptroderma | |
| Scientific classification | |
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| Species: | A. calyptroderma
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| Binomial name | |
| Amanita calyptroderma G.F. Atk. & V.G. Ballen 1909
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Amanita calyptrata | |
| Amanita calyptroderma | |
|---|---|
 | |
 | gills on hymenium |
 | cap is flat or convex |
 | hymenium is free |
 | stipe has a ring and volva |
 | spore print is white |
 | ecology is mycorrhizal |
 | edibility: edible but not recommended |
Amanita calyptroderma also known as coccora or coccoli, is a white-spored mushroom that fruits naturally in the coastal forests of the western United States during the fall and winter.
Contents
Description
This mushroom is recognized by its large, orange-brown cap partially covered by a thick patch of universal veil, its white gills and spores, its cream-colored stalk adorned with a partial veil, a partially hollow stem (filled with a stringy white pith), and by the presence of a large, sacklike volva at the base of the stalk.
The spores of this species do not change color when placed in a solution of Melzer's reagent, and thus are termed inamyloid. This characteristic in combination with the annulus and absence of a bulb at the base of the stalk place this mushroom in the Section Caesareae.
Distribution and habitat
This mushroom forms mycorrhizae with madrone (Arbutus menziesii) in the southern part of its range (Central California northwards to Washington). However, in the northern part of its range (Washington to southern Canada), its preferred host is Douglas fir (Pseudotsuga menziesii).
Edibility
Experienced mushroom hunters regard this mushroom as a good edible species, but caution must be exercised when collecting A. calyptroderma for the table, since it can be confused with other species in the genus Amanita. This genus contains some of the deadliest mushrooms in the world, most notably A. phalloides and A. ocreata.
Related Species
Amanita vernicoccora is a closely related taxon which was previously referred to as the "spring form" of Amamita calyptroderma.
See also
External links
- Amanita calyptroderma at Amanitaceae.org
- Amanita calyptroderma at BayAreaMushrooms.org
- Amanita calyptroderma at Mykoweb[permanent dead link]
- Amanita calyptroderma at Mushroom Expert
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- Amanita
- Edible fungi
- Fungi of North America
