American Lepiota Leucoagaricus americanus (Peck) Vellinga    
Kingdom Fungi   >   Phylum Basidiomycota   >   Class Agaricomycetes   >   Order Agaricales   >   Family Agaricaceae   >   Genus Leucoagaricus   

Status:

Found in Groups/clusters on stumps, wood chips, mulch piles, and mown grass.

Description:

Cap: White (reddish in age) with brown center; red-brown small, pointed scales which wash off easily; dry; convex to nearly flat, often with an umbo; margin may be striate; flesh white, stains yellow then grayish-red. Gills: White, stain yellow, then reddish-brown in age; close. Stalk: White, stains yellow-orange (red in age; usually enlarged in middle and swollen at base; white membranous ring may disappear early (J. Solem, pers. comm.).

There are 74 records in the project database.

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Leucoagaricus americanus in Montgomery Co., Maryland (7/17/2013). Photo by Max Wilson. (MBP list)

American Lepiota growing in Prince George's Co., Maryland (9/16/2018). Determined by Jo Solem. Photo by Anne Looker. (MBP list)

American Lepiota in Anne Arundel Co., Maryland (7/30/2017). (c) davidillig, some rights reserved (CC BY-NC). Photo by davidillig via iNaturalist. (MBP list)

American Lepiota in Frederick Co., Maryland (9/16/2018). Photo by Bob Cammarata. (MBP list)

Leucoagaricus americanus in Montgomery co., Maryland (7/18/2013). Photo by Max Wilson. (MBP list)

American Lepiota in Howard Co., Maryland (9/18/2019). Determined by Jo Solem. Photo by Sue Muller. (MBP list)

American Lepiota (young fruiting body) in mown grass in Howard Co., Maryland (9/12/2009). Photo by Joanne Solem. (MBP list)

American Lepiota (fruiting bodies) on a stump in Howard Co., Maryland (8/13/2011). Photo by Richard Orr. (MBP list)

American Lepiota in Howard Co., Maryland (9/12/2009). (c) Joanne and Robert Solem, some rights reserved (CC BY-NC). Photo by Joanne Solem. (MBP list)

American Lepiota in Howard Co., Maryland (8/21/2009). This image shows fruiting bodies on mulch, showing gills, ring, and enlarged base. Photo by Robert Solem. (MBP list)

American Lepiota in Prince George's Co., Maryland (6/22/2018). (c) Alona Bookbinder, some rights reserved (CC BY-SA). Photo by Alona Bookbinder via iNaturalist. (MBP list)

American Lepiota in Anne Arundel Co., Maryland (6/24/2020). (c) jancelet33, some rights reserved (CC BY-NC). Photo by jancelet33 via iNaturalist. (MBP list)

American Lepiota in Prince George's Co., Maryland (9/3/2009). (c) Serenella Linares, some rights reserved (CC BY). Photo by Serenella Linares via iNaturalist. (MBP list)

American Lepiota in Montgomery Co., Maryland (10/6/2018). (c) sjwnat, some rights reserved (CC BY-NC). Photo by sjwnat via iNaturalist. (MBP list)

American Lepiota in Prince George's Co., Maryland (9/3/2009). (c) Serenella Linares, some rights reserved (CC BY). Photo by Serenella Linares via iNaturalist. (MBP list)

Spores collected from an American Lepiota specimen in Howard Co., Maryland (9/12/2009). Broadly ellipsoid, smooth; measured 8.8-10.3 X 6.5-7.7 microns. Photo by Robert Solem. (MBP list)

American Lepiota in Garrett Co., Maryland (9/13/2020). (c) Emilio Concari, some rights reserved (CC BY-NC). Photo by Emilio Concari. (MBP list)

American Lepiota in Garrett Co., Maryland (9/13/2020). (c) Emilio Concari, some rights reserved (CC BY-NC). Photo by Emilio Concari. (MBP list)

Spores collected from a American Lepiota specimen in Howard Co., Maryland (9/12/2009). (c) Joanne and Robert Solem, some rights reserved (CC BY-NC). Photo by Joanne Solem. (MBP list)

American Lepiota in Anne Arundel Co., Maryland (7/13/2020). (c) nycticorax, some rights reserved (CC BY-NC). Photo by nycticorax via iNaturalist. (MBP list)


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