Public Description of Amanita wellsii (Murrill) Murrill

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Name: Amanita wellsii (Murrill) Murrill
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 Draft For Wild Mushrooms Of The Northeastern United States By Erlon (Private)

Description status: Unreviewed

Taxonomic Classification:

Domain: Eukarya
Kingdom: Fungi
Phylum: Basidiomycota
Class: Agaricomycetes
Order: Agaricales
Family: Amanitaceae

General Description:

Cap: 3-10 cm; convex or nearly round at first, expanding to planoconvex or flat; tacky when fresh but soon dry; bald and deep pinkish orange underneath soft, powdery, pale orange universal veil material that is sometimes aggregated into patches or warts; the margin often adorned with partial veil fragments when young, becoming lined at maturity.

Gills: Free from the stem or slightly attached to it; close or crowded; whitish or pale yellow; with frequent short-gills.

Stem: 5-15 cm long; 0.5-2 cm thick; more or less equal above small basal bulb; whitish to pale yellow; finely shaggy or nearly bald; with a very delicate ring that usually disappears quickly; with soft, yellowish, patches of universal veil material on the bulb.

Flesh: White to yellowish; not staining on exposure.

Odor: Not distinctive.

Chemical Reactions: KOH yellow on cap surface.

Spore Print: White.

Microscopic Features: Spores 11-15 × 6-9 µ; long-ellipsoid; smooth; inamyloid. Basidia 4-spored; rarely clamped. Pileipellis an ixocutis or cutis of elements 2-7 µ wide. Lamellar trama bilateral; subhymenium ramose, or with slightly inflated cells.


Most common in Northeastern North America but rages as far southwest as Missouri


In mixed woods often near alder




Kuo, M. (2013, May). Amanita wellsii. Retrieved from the MushroomExpert.Com Web site:


Amanita wellsii (Murrill) Murrill, Mycologia 12(6): 292 (1920)

Venenarius wellsii Murrill 1920

Citations in published lists or literature:
Saccardo’s Syll. fung. XXIII: 3

Description author: walt sturgeon (Request Authorship Credit)

Created: 2011-12-23 22:35:38 CST (-0500) by walt sturgeon (Mycowalt)
Last modified: 2014-01-01 17:37:34 CST (-0500) by walt sturgeon (Mycowalt)
Viewed: 27 times, last viewed: 2017-01-24 22:22:37 CST (-0500)