Oak Pin Cudoniella acicularis (Bulliard) J. Schröter    
Kingdom Fungi   >   Phylum Ascomycota   >   Class Leotiomycetes   >   Order Helotiales   >   Family Helotiaceae   >   Genus Cudoniella   


Fruiting body: Nail-shaped; white becoming grayish or brownish in age; inrolled margin, smooth, convex to nearly flat; ~1/16" (3mm). Stalk: White; up to 1/4" (10mm).


Found scattered or in groups on well-decayed wood, especially oak. (J. Solem, pers. comm.)

There are 5 records in the project database.

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Oak Pin (fruiting bodies) in Howard Co., Maryland (8/20/2014). Photo by Joanne Solem. (MBP list)

Oak Pin in Howard Co., Maryland (1/10/2020). Determined by Bob Solem. Photo by Sue Muller. (MBP list)

Oak Pin (close-up, side view) in Howard Co., Maryland (8/20/2014). Photo by Robert Solem. (MBP list)

Spores collected from an Oak Pin specimen in Howard Co., Maryland (8/20/2014). Fusiform (one side flatter), hyaline; measured 13.6-15.8 X 7.0-7.8 microns. Photo by Robert Solem. (MBP list)

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