Fire Cap Marasmius Rhizomarasmius pyrrhocephalus (Berk.)    
Kingdom Fungi   >   Phylum Basidiomycota   >   Class Agaricomycetes   >   Order Agaricales   >   Family Physalacriaceae   >   Genus Rhizomarasmius   

Description:

Cap: orangish-yellow to brownish-orange. Most or dry; striate; convex to broadly convex; smooth; center may be depressed in age. Gills: white becoming pale yellow; close to subdistant. Stalk: white/pale yellow at apex, progressively darkening to blackish-brown at base; matted fibrils on lower section; often deeply rooted(J. Solem, pers. comm.).

Where to find:

Scattered or groups on decaying oak leaves and humus under hardwoods.

There are 8 records in the project database.

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A Fire Cap Marasmius in Howard Co., Maryland (10/17/2013). Photo by Joanne Solem. (MBP list)

Fruiting body of Fire Cap Marasmius in Howard Co., Maryland (10/2/2016). Photo by Joanne Solem. (MBP list)

A Fire Cap Marasmius cap showing weak striations in Howard Co., Maryland (10/2/2016). Photo by Joanne Solem. (MBP list)

Fire Cap Marasmius in Howard Co., Maryland (1/10/2020). Determined by Jo Solem. Photo by Sue Muller. (MBP list)

The gills and upper stalk of Fire Cap Marasmius in Howard Co., Maryland (10/2/2016). Photo by Joanne Solem. (MBP list)

Fire Cap Marasmius in Howard Co., Maryland (10/2/2016). (c) Joanne and Robert Solem, some rights reserved (CC BY-NC). Photo by Joanne Solem. (MBP list)

Fire Cap Marasmius in Washington Co., Maryland (5/2/2020). (c) samanthaeff, some rights reserved (CC BY-NC). Photo by samanthaeff via iNaturalist. (MBP list)

Fire Cap Marasmius in Howard Co., Maryland (10/2/2016). (c) Joanne and Robert Solem, some rights reserved (CC BY-NC). Photo by Joanne Solem. (MBP list)

Fire Cap Marasmius in Howard Co., Maryland (10/2/2016). (c) Joanne and Robert Solem, some rights reserved (CC BY-NC). Photo by Joanne Solem. (MBP list)

Fire Cap Marasmius in Howard Co., Maryland (10/2/2016). Note the long root of the middle specimen. Photo by Joanne Solem. (MBP list)

Fire Cap Marasmius spores from a specimen collected in Howard Co., Maryland (10/2/2016). Oval with one end slightly pointed, smooth, hyaline; measured 7.3-8.3 x 3.6-4.1 microns. Photo by Robert Solem. (MBP list)

Spores collected from a Fire Cap Marasmius specimen in Howard Co., Maryland (10/2/2016). (c) Joanne and Robert Solem, some rights reserved (CC BY-NC). Photo by Joanne Solem. (MBP list)


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