Phaeocollybia piceae or P. californica (Lorelei Norvell has done her doctorate work on this genus and has proposed one of these two names for my photographs that were previously labeled P. attenuata) Cap 1.5-5cm across, conical becoming convex then almost flat with a low umbo, margin inrolled at first, becoming wavy in age; amber to brown when moist, fading to yellowish buff or pale yellow; smooth, polished, hygrophanous. Gills adnexed or nearly free, close, narrow; pallid to dingy reddish buff, becoming pale tan with darker, rust-brown spots. Stem 100-120 x 3-10mm, hollow, with a long root-like base; pale pinky-brown all over, becoming darker rusty brown or blackish in age; very cartilaginous, smooth, polished. Flesh thin but cartilaginous; buff to watery brown. Odor strongly radishy. Taste slowly becoming very unpleasant. Spores ellipsoid to almond-shaped, 7.5-9.6 x 5-6.3µ. Deposit, rust-brown. Habitat in groups under Sitka spruce and redwood. Found in the Pacific Northwest and California. Season September-November. Not edible