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Agaricus columellatus
Scientific classification
Domain:	Eukaryota
Kingdom:	Fungi
Division:	Basidiomycota
Class:	Agaricomycetes
Order:	Agaricales
Family:	Agaricaceae
Genus:	Agaricus
Species:	A. columellatus
Binomial name
Agaricus columellatus (Long) R.M.Chapm., V.S.Evenson & S.T.Bates (2016)
Synonyms
Araneosa columellata Long (1941)

Agaricus columellatus is a species of secotioid fungus in the family Agaricaceae. The species was described by William Henry Long in 1941. The type collection was made in Arizona, where it was found growing singly on the ground in a grassy area in Mesquite-Catclaw flats. Originally described as the sole member of the monotypic genus Araneosa, in 2016 molecular genetic studies revealed its affinity to the genus Agaricus.

See also

• List of Agaricus species

References

1. Long WH (1941). "Studies in the Gasteromycetes III. The family Arachniaceae". Mycologia. 33 (4): 350–355. doi:10.2307/3754887. JSTOR 3754887.
2. Bates ST, Chapman RM, Islam MB, Schwabe A, Wardenaar ECP, Evenson VS (2016). "Phylogenetic placement of the secotioid fungus Araneosa columellata within Agaricus". Mycotaxon. 131 (1): 103–110. doi:10.5248/131.103.

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