Spore print "light-colored": white or buff, sometimes tinged with pink or tan. Greenish and (except for the Russulales) yellow spore prints also go here
Stalk fibrous, not fracturing like a piece of chalk
Cap always smooth (perhaps thinly, minutelyfurry), never scaly or thickly or coarsely hairy Gills white to buff, though perhaps discoloring yellow (along with cap) in age, unless covered by a veil
Growing on wood
Here are the characters that distinguish this species from the others in its group. For its more general characters, see higher up on the page. If there's just a few words or a microscopic feature here, a more thorough description can be found above.
Diagnosis
Cap up to 4" across, fan- or kidney-shaped, marginincurved; dark yellowish green, often with brown and purple tones