Distribution: Broad
Habitat: Forests and woodlands
Conservation Status: Not of concern
Edibility: Edible
Edible
A. arvensis Schaeffer is a very similar species that is somewhat more robust, has larger spores (7--8.5 x 5--6 vs. 5--6.5 x 3.5--4.5 µm), and grows in grass. Another woodland-dweller, A. albolutescens, differs from A. silvicola in its more robust stature, stronger odor, and brighter yellow staining. Trying to decide which of these species one has found usually is a hopeless task. All are considered edible, but not for everyone. A. silvicola, or species with similar characteristics, is very widely distributed.
Sources: Trudell, Steve and Joe Ammirati. Mushrooms of the Pacific Northwest, Timber Press, Inc. 2009.
PNW Herbaria: Specimen records of Agaricus silvicola in the Consortium of Pacific Northwest Herbaria database
CalPhotos: Agaricus silvicola photos