Agaricus didymus
(Woodland Agaricus, Agaricus Silvicola, Agaricus sylvicola)
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Location: Colorado
Smell: Almond
Spore Print: Brown
Edibility: Edible
Color: White turning Golden yellow.

Habitat:
This mushroom is found under various conifers in the mountains. From 7000ft in ponderosa up to subalpine. Also found in mixed forest of aspens and conifers. It grows on the ground.

Description:
This mushroom stains yellow to golden when bruised or handled. The cap ages from white to a golden color. Notice the cogwheel shape on veil (Some other Agaricus have this too). It is closely related to Agaricus arvensis (The Horse Mushroom which grows in lawns & fields in the city). It is edible for most people. It has a distinct almond smell and a bulbous stem base.

This mushroom is very easy to identify once you smell one and get use to it. We used to call this mushroom Agaricus sylvicola which can be found in many books and guides. Our local species was renamed to Agaricus didymus in 2016. There are also several different similar Agaricus in Colorado, some not even named. A. sylvicola is a close relative coastal species from the west coast. There are 20 some yellow staining Agaricus in the arvenses section in North America that are still being separated by spore size and DNA sequencing including several in the Rocky Mountains.


Last Updated:
Aug 14 2022 10:45 PM

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