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Psathyrella aquatica: Wikis


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Scientific classification
Kingdom: Fungi
Division: Basidiomycota
Class: Agaricomycetes
Order: Agaricales
Family: Psathyrellaceae
Genus: Psathyrella
Species: P. aquatica
Psathyrella aquatica
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Mycological characteristics
gills on hymenium
cap is convex
hymenium is free
ecology is saprotrophic
edibility: unknown

Psathyrella aquatica is a newly discovered species from Oregon, described in the journal Mycologia (2009). It represents the first report of a gilled mushroom (Basidiomycota) fruiting underwater. It was found by Southern Oregon University professor Robert Coffan in the Rogue River in the U.S. state of Oregon.[1] 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.[2] As of April, 2009, the species name had not been validly published under the International Code of Botanical Nomenclature, although news regarding this novel discovery had already spread over the Internet. The size of the genus Psathyrella and its polyphyletic problems caused the long delay (nearly two years) between discovery, the immediate rapid spread of information, and the peer-review publication.


  1. ^ "What Lies Beneath: A New Mushroom". Southern Oregon University College of Arts and Sciences. January 1, 2008. Retrieved 2008-09-08.  
  2. ^ (January 25, 2008). "US: Scientists discover new mushroom species in the Rogue Valley". FreshPlaza. Retrieved 2008-09-13.  


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