(Amanita citrina var. grisea)
Conservation • Description • Habitat • Ecology • Distribution • Taxonomy
Conservation Status |
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IUCN Red List | not listed |
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NatureServe | not listed |
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Minnesota | not listed |
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Description |
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Gray False Death Cap is a large, easily recognized mushroom that is mycorrhizal with hardwoods. It is common and widespread. The stalk is ivory white, smooth, 2½″ to 4¾″ tall, and The cap is smooth, dry, flat to convex, and 2″ to 4¾″ in diameter. It is pale greenish-yellow to yellowish-white when young. As it ages it becomes white or ivory white with pale greenish-yellow to yellowish-white near the center. It has scattered, irregular, buff patches or warts, but these may disappear with age. The gills are white, closely spaced, and are not attached to the stalk. They sometimes turn yellowish with age. The spores are white, cream, or yellowish. Although edible, most field guides list Gray False Death Cap as poisonous due to its close resemblance to Death Cap. It has a strong odor of raw potato. |
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Similar Species |
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Destroying Angel (Amanita bisporigera and Amanita virosa) is pure white throughout, both when young and when mature. The cup is sack-like. The cap usually does not have patches or warts. Lavender False Death Cap (Amanita citrina f. lavendula) has a flush of lavender in the universal veil and sometimes lavender streaks on the cap. White False Death Cap (Amanita citrina var. alba) is white throughout. It has a milder odor. |
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Habitat and Hosts |
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Oak and pine forests. |
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Ecology |
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Season |
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Summer and fall |
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Distribution |
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Sources |
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5/3/2010 | ||||
Occurrence |
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Common and widespread |
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Taxonomy |
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Kingdom | Fungi (fungi) | ||
Subkingdom | Dikarya | ||
Division | Basidiomycota (club fungi) | ||
Subdivision | Agaricomycotina (jelly fungi, yeasts, and mushrooms) | ||
Class | Agaricomycetes (mushroom-forming fungi) | ||
Subclass | Agaricomycetidae | ||
Order | Agaricales (common gilled mushrooms and allies) | ||
Suborder | Pluteineae | ||
Family | Amanitaceae (Amanita mushrooms and allies) | ||
Tribe | Amaniteae | ||
Genus | Amanita (Amanita mushrooms) | ||
Subgenus | Lepidella | ||
Section | Validae | ||
Species | Amanita citrina (False Death Cap) | ||
Synonyms |
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Amanita citrina f. mappa Amanita mappa |
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Common Names |
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Amanite Citrine False Death Cap Gray False Death Cap |
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Glossary
Mycorrhizal
A symbiotic, usually beneficial relationship between a fungus and the tiny rootlets of a plant, usually a tree.
Universal veil
An egg-like structure that envelopes all or most of a developing gill mushroom. Remnants of the universal veil sometimes visible on a mature mushroom are patchy warts on the cap, a ring on the stem, and a volva at the base of the stem.
Volva
Also called cup. A cup-like covering at the base of a mushroom stem, sometimes buried. It is the remnants of the universal veil ruptured by the mushroom pushing through. It is found on Amanita, Volvariella, and some other mushrooms.
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Scott Schad | |||
Shorter one cupped up this morning, tall one still holding rain water from two days ago. The one coming up I assume is the same? I am guessing they are Gray False but not sure. |
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MinnesotaSeasons.com Photos | |||
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Scott Schad 7/28/2016 |
Location: Todd County Shorter one cupped up this morning, tall one still holding rain water from two days ago. The one coming up I assume is the same? I am guessing they are Gray False but not sure. |
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MinnesotaSeasons.com Sightings |
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