''Agaricus amicosus'' is a

mushroom A mushroom or toadstool is the fleshy, spore-bearing fruiting body of a fungus, typically produced above ground, on soil, or on its food source. ''Toadstool'' generally denotes one poisonous to humans. The standard for the name "mushroom" is t ...

in the family Agaricaceae, found in high-elevation forests in the

Rocky Mountains The Rocky Mountains, also known as the Rockies, are a major mountain range and the largest mountain system in North America. The Rocky Mountains stretch in straight-line distance from the northernmost part of western Canada, to New Mexico in ...

, and is particularly common in the

Colorado Rockies The Colorado Rockies are an American professional baseball team based in Denver. The Rockies compete in Major League Baseball (MLB) as a member club of the National League (NL) West division. The team plays its home baseball games at Coors Fie ...

. It occurs in deep

leaf litter Plant litter (also leaf litter, tree litter, soil litter, litterfall or duff) is dead plant material (such as leaves, bark, needles, twigs, and cladodes) that have fallen to the ground. This detritus or dead organic material and its constituent ...

under

spruce A spruce is a tree of the genus ''Picea'' (), a genus of about 35 species of coniferous evergreen trees in the family Pinaceae, found in the northern temperate and boreal (taiga) regions of the Earth. ''Picea'' is the sole genus in the subfami ...

and

fir Firs (''Abies'') are a genus of 48–56 species of evergreen coniferous trees in the family (biology), family Pinaceae. They are found on mountains throughout much of North America, North and Central America, Europe, Asia, and North Africa. The ...

and fruits from late summer to early fall. It is considered a choice edible species.

References

* Kerrigan RW. (1989). Studies in ''Agaricus'' IV: New species from Colorado. ''Mycotaxon'' 34:119-128. (pp
120
* Kerrigan RW. (2016). Agaricus ''of North America''. New York Botanical Garden.

External links

* *
''Agaricus amicosus'' at MyCoPortal''Agaricus amicosus'' at mushroomobserver.org
amicosus Fungi of North America Edible fungi Fungi described in 1989 {{Agaricaceae-stub

See also

References

External links