Rhizopogon occidentalis Zeller & Dodge, Fruit body 1-5cm across, irregularly potato-shaped or pear-shaped; whitish at first, then lemon yellow in age, bruising orange or reddish brown; minutely hairs' with loose, cordlike brownish rhizomorphs. Spore mass minutely chambered; pale yellow-orange, drying cinnamon buff. Odor of sourdough. Spores ellipsoid, smooth, 5.5-7 x 2.3-2.6µ. Habitat singly or scattered in sandy soil under mixed conifers. Found in the Pacific Northwest, Idaho, and California. Season May-September. Not edible.