Psathyrella aquatica

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Psathyrella aquatica
Scientific classification
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Agaricales
Family: Psathyrellaceae
Genus: Psathyrella
Species: P. aquatica
Binomial name
Psathyrella aquatica
J.L.Frank, Coffan, & Southworth (2010)
Psathyrella aquatica
View the Mycomorphbox template that generates the following list
Mycological characteristics
gills on hymenium
cap is convex
hymenium is free
ecology is saprotrophic
edibility: unknown

Psathyrella aquatica is a species of fungus from Oregon, first described in the journal Mycologia in 2010.[1] It represents the first ever report of a basidiomycete fruiting underwater.

It was found by Southern Oregon University professor Robert Coffan in the Rogue River in the U.S. state of Oregon.[2] Coffan found the mushroom in 2005, and his colleagues Darlene Southworth and Jonathan Frank in the biology department at Southern Oregon University confirmed that the mushroom was a unique discovery.[3]

The mushroom appears to be quite strong, and is anchored up to 0.5m deep in sediment, in order to stand up to the fast-moving river currents where it is primarily found.[1]


  1. ^ a b Frank, J. L.; Coffan, R. A.; Southworth, D. (July 2009). "Aquatic gilled mushrooms: Psathyrella fruiting in the Rogue River in southern Oregon". Mycologia. 102 (1): 93–107. doi:10.3852/07-190. PMID 20120233. 
  2. ^ "What Lies Beneath: A New Mushroom". Southern Oregon University College of Arts and Sciences. January 1, 2008. Archived from the original on August 19, 2008. Retrieved 2008-09-08. 
  3. ^ (January 25, 2008). "US: Scientists discover new mushroom species in the Rogue Valley". FreshPlaza. Retrieved 2008-09-13.