- up to 60cm wide, widely oval with sculpured or scaled white exterior, possibly with a tannish tint.
- flesh must be firm and all-white.
- flesh must be undifferentiated with no trace of gills and no outline of mushroom visible in cross section.
- grows alone or several together in pastures or open, grassy, arid areas, often near sagebrush.
- appears in spring, summer and fall.
- has a mild pleasant taste with a strong/unpleasant odor when young; cook before eating.