Calbovista subsculpta Morse Fruit body 8-15cm across, 6-9cm high, nearly round or sometimes a bit broader; whitish to dingy; covered with flattened warty scales with grayish tips and brownish hairs at the center. Spore mass white becoming brownish. Sterile base one-quarter to one-third of mushroom; dull, white, firm. Spores globose, almost smooth, 3-5 x 3-5µ. Habitat singly or scattered or in small groups in open areas along roadsides and wood edges in subalpine places. Sometimes abundant. Found in the Rocky Mountains and the Pacific coastal ranges. Season April-August. Edible but only when the spore mass is white; excellent.