Carbon Cushion Kretzschmaria deusta (Hoffm.)  

Description:

Fruiting body has two forms: asexual is gray/white, soft, powdery with multiple lobes; white, soft flesh. Sexual form is black, hard, and brittle like burnt wood and is easily detached from wood substrate (J. Solem, pers. comm.).

Where to find:

Solitary or scattered on stumps or bases of hardwoods, primarily oaks.

There are 33 records in the project database.

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Carbon Cushion in Anne Arundel Co., Maryland (5/31/2018). Determined by Jo Solem. Photo by Anne Looker. (MBP list)

The asexual form of the Carbon Cushion fruiting body in Howard Co., Maryland (5/31/2016). Photo by Joanne Solem. (MBP list)

Sexual (black) and asexual (gray) forms of the Carbon Cushion fruiting body in Howard Co., Maryland (5/19/2016). Photo by Joanne Solem. (MBP list)

Carbon Cushion in Howard Co., Maryland (5/8/2019). Determined by Jo Solem. Photo by Sue Muller. (MBP list)

Carbon Cushion in Montgomery Co., Maryland (11/3/2017). Determined by Jo and Bob Solem. Photo by Anne Looker. (MBP list)

Carbon Cushion in Harford Co., Maryland (5/15/2018). Photo by Josh Emm. (MBP list)

Carbon Cushion in Harford Co., Maryland (5/15/2018). Photo by Josh Emm. (MBP list)

Carbon Cushion in Howard Co., Maryland (5/10/2019). Determined by Jo Solem. Photo by Sue Muller. (MBP list)

Carbon Cushion in Howard Co., Maryland (7/15/2019). Determined by Jo Solem. Photo by Sue Muller. (MBP list)

Carbon Cushion in Howard Co., Maryland (7/1/2019). Determined by Jo Solem. Photo by Sue Muller. (MBP list)

Carbon Cushion in Howard Co., Maryland (5/27/2019). Determined by Bob and Jo Solem. Photo by Sue Muller. (MBP list)

Carbon Cushion in Montgomery Co., Maryland (5/26/2019). Determined by Bob and Jo Solem. Photo by Sue Muller. (MBP list)

Ascospores of Carbon Cushion collected in Howard Co., Maryland (5/19/2016). Irregularly elliptic with one side flattened; measured 28.9-31.6 X 8.2-8.8 microns (others not shown). Photo by Robert Solem. (MBP list)

Conidia of Carbon Cushion in Howard Co., Maryland (5/31/2016). Conidia: smooth, fusiform, hyaline; measured 5.7-6.4 X 2.9-3.2 microns. Photo by Robert Solem. (MBP list)


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