No Common Name Callistosporium purpureomarginatum Fatto & Bessette  

Description:

Cap: Purplish-red when moist to pinkish-tan when dry; bluish/brown-purple marginal band easiest to see when cap is dry; smooth; convex to nearly flat in age, often with center depression; flesh yellowish. Gills: Pinkish-yellow with purple tinge to mostly yellow; edges reddish-purple. Stalk: Reddish-purple usually with yellow at apex, white mycelium at base; hollow (J. Solem, pers. comm.).

Where to find:

Habitat: Solitary or small groups on well-decayed oak logs.

There are 6 records in the project database.

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Callistosporium purpureomarginatum in Howard Co., Maryland (6/19/2011). Caps with typical depressed center. Photo by Joanne Solem. (MBP list)

Callistosporium purpureomarginatum in Howard Co., Maryland (6/19/2011). Fresh fruiting bodies. Photo by Joanne Solem. (MBP list)

Callistosporium purpureomarginatum in Howard Co., Maryland (6/19/2011). Gills showing darker edges; stalk with white mycelium at base. Photo by Joanne Solem. (MBP list)

A Callistosporium purpureomarginatum in Howard Co., Maryland (6/4/2009). Dry mature cap with diagnostic marginal band, gills, and stalk Photo by Joanne Solem. (MBP list)

A Callistosporium purpureomarginatum in Howard Co., Maryland (9/7/2014). Older cap, faded and split at the margin. Photo by Joanne Solem. (MBP list)

Callistosporium purpureomarginatum in Howard Co., Maryland (9/7/2014). Photo by Robert Solem. (MBP list)

Spores collected from Callistosporium purpureomarginatum in Howard Co., Maryland (9/7/2014). Ellipsoid/irregular, smooth, hyaline; measured 5.0-5.5 X 3.6-4.1 microns. (Dark color is an atrifact of the photograph.) Photo by Robert Solem. (MBP list)

Callistosporium purpureomarginatum spores collected in Howard Co., Maryland (6/19/2011). Elliptic, smooth, hyaline; measured 5.0-5.8 X 3.1-3.8 microns. Photo by Robert Solem. (MBP list)


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