Late Fall Oyster Sarcomyxa serotina (Persoon) V. Papp    Synonyms: Late Oyster, Panellus serotinus.
Kingdom Fungi   >   Phylum Basidiomycota   >   Class Agaricomycetes   >   Order Agaricales   >   Family Mycenaceae   >   Genus Sarcomyxa   

Status:

Most often does not appear until after the first hard frost in fall. Many mushroomers consider its appearance a signal the end of the season is in sight (J. Solem, pers. comm.).

Description:

Cap: Highly variable color from yellowish-green or dark olive to brown usually with purplish tints; kidney to fan-shaped; slimy when wet; margin incurved; flesh white/thick. Gills: Bright ochre to whitish; attached to decurrent; close. Stalk: Lateral attachment; stalk stubby if present; whitish/yellowish/brownish; hairy, especially at attachment poin (J. Solem, pers. comm.).

Where to find:

Groups, overlapping clusters on dead hardwood stumps, logs, and sticks, occasionally on conifer (J. Solem, pers. comm.).

There are 8 records in the project database.

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Late Fall Oysters (cluster of overlapping caps with purplish tints) in Howard Co., Maryland (11/9/2009). Photo by Joanne Solem. (MBP list)

Late Fall Oysters (gills of cluster of fruiting bodies) in Howard Co., Maryland (11/9/2009). Photo by Robert Solem. (MBP list)

Late Fall Oysters (cap and unusually bright gills along with stubby stalk) in Howard Co., Maryland (11/9/2009). Photo by Robert Solem. (MBP list)

Late Fall Oysters (older caps with varied coloring) in Howard Co., Maryland (11/9/2009). Photo by Joanne Solem. (MBP list)

Late Fall Oysters in Howard Co., Maryland (11/17/2013). Photo by Richard Orr. (MBP list)

Late Fall Oyster in Howard Co., Maryland (11/9/2009). (c) Joanne and Robert Solem, some rights reserved (CC BY-NC). Photo by Joanne Solem. (MBP list)

Late Fall Oyster in Howard Co., Maryland (11/9/2009). (c) Joanne and Robert Solem, some rights reserved (CC BY-NC). Photo by Joanne Solem. (MBP list)

Late Fall Oyster in Howard Co., Maryland (11/9/2009). (c) Joanne and Robert Solem, some rights reserved (CC BY-NC). Photo by Joanne Solem. (MBP list)

Late Fall Oyster in Anne Arundel Co., Maryland (3/22/2019). (c) Matthew Beziat, some rights reserved (CC BY-NC). Photo by Matthew Beziat. (MBP list)

Late Fall Oyster in Garrett Co., Maryland (10/22/2011). (c) Ashley Rodeheaver, all rights reserved. Photo by Ashley Rodeheaver. (MBP list)

Late Fall Oyster in Garrett Co., Maryland (10/29/2020). No rights reserved. Photo by granolapunk via iNaturalist. (MBP list)

Late Fall Oyster in Garrett Co., Maryland (10/29/2020). No rights reserved. Photo by granolapunk via iNaturalist. (MBP list)

Late Fall Oyster in Garrett Co., Maryland (10/29/2020). No rights reserved. Photo by granolapunk via iNaturalist. (MBP list)

Late Fall Oyster in Garrett Co., Maryland (10/29/2020). No rights reserved. Photo by granolapunk via iNaturalist. (MBP list)


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