Agaricus altipes Møller Cap 4-7cm across, convex to broadly flattened; white to slightly buff on disc; smooth to slightly tomentose-floccose. Gills free, crowded; bright rosy pink when young, brown when old. Stem 80-100 x 12-20mm equal to slightly clavate; white, bruising slightly pinkish-buff color; fibrillose below; ring high on stem, white, thin, fragile, simple. Flesh firm; white bruising flesh-color. Odor mild. Taste mild. Spores ovate, 6.5-7.5 x 4.5-5.5µ. Deposit deep chocolate brown. Habitat in grass in mixed woods, mostly conifers. Found in the Pacific Northwest. Season September. Edible. Comment This collection agreed very well with the European Agaricus altipes, differing only in the disagreeable odor of the original description; the odor may have been missed if the flesh was not bruised, or perhaps the specimens were too young.