American Caesar's Amanita Amanita jacksonii Pomerleua  Synonyms: Amanita caesarea.

Status:

Found solitary or in loose groups on ground in mixed forests.

Description:

Cap: Reddish-orange disc, yellow-orange margin; dry or sticky; smooth, shiny; convex to flat usually with small umbo; grooved margin; may be small patches of white veil tissue; flesh white. Gills: Pale yellow; crowded; pale yellow partial veil. Stalk: Pale yellow (may be streaked with orange); smooth or roughened; tapers up; pale yellow/orange superior ring; white, thick-lobed, sheathing volva; stuffed or hollow; brittle (J. Solem, pers. comm.).

There are 27 records in the project database.

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An American Caesar's Amanita in Howard Co., Maryland (9/14/2014). Photo by Richard Orr. (MBP list)

American Caesar's Mushroom in Howard Co., Maryland (8/25/2010). Note young fruiting body showing flesh and large volva. Photo by Joanne Solem. (MBP list)

American Caesar's Mushroom in Howard Co., Maryland (7/18/2013). Note young fruiting body showing partial veil, gills, and large volva. Photo by Joanne Solem. (MBP list)

American Caesar's Mushroom (mature cap) in Howard Co., Maryland (8/21/2011). Photo by Robert Solem. (MBP list)

An American Caesar's Amanita in Worcester Co., Maryland (9/22/2014). Photo by Lance Biechele. (MBP list)

American Caesar's Amanita in Howard Co., Maryland (8/9/2017). Photo by Joanne Solem. (MBP list)

An American Caesar's Amanita in Garrett Co., Maryland (7/5/2013). Photo by Matt Tillett. (MBP list)

Spores of American Caesar's Amanita in Howard Co., Maryland (8/9/2017). Oval, smooth; measured 8.8-10.8 X 6.6-8.0 microns. Photo by Robert Solem. (MBP list)

Spore collected from an American Caesar's Mushroom specimen in Howard Co., Maryland (8/25/2010). Photo by Robert Solem. (MBP list)


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