fungus genus native pacific_northwest region united_states fungus originally described species genus inclusive received current years later stout fruit bodies mushrooms moist white grayish caps later grayish brown age ring stipe odor resembling mycorrhizal conifers fungus fruits spring early summer mushrooms appearing ground singly groups high elevations edge melting edibility mushroom unknown strong unpleasant odor taste taxonomy species originally described california type specimen collected classified section genus spores noted relationship species unclear noted similarity form color cap species section genus broad species concept including species white spore print gills attached stipe ring formed partial veil regardless ecological preferences today restricted wood rotting species form black mycorrhizal transferred unavailable species previously proposed new specific epithet refers growth spring previous epithet derives latin meaning classified subgenus genus account clamp connections interwoven hyphae cap cuticle description cap convex broadly convex age reaches wide surface dry moist smooth maturity appears flattened fibers arranged mushroom ages cap color changes white brownish grey brown usually olive grayish pale tan regions cap margin initially curved downward lifts irregular age flesh thick white strongly odor similar gills initially attachment stipe pull away mushroom matures free attachment thick closely spaced whitish color developing pale pink solid stipe measures long thick equal width length slightly club shaped dry surface texture smooth silky ring ring ring located middle upper half stem edibility mushroom unknown certainty noted strongly taste unpleasant odor strongly reminiscent rotting white potatoes spore print white spores narrowly measure clamp connections present hyphae basidia spore bearing cells spored club shaped measure hymenium lacks cystidia cap flesh comprises interwoven hyphae diameter cap cuticle thick layer interwoven gelatinous hyphae diameter similar species collected typical habitat appropriate season mushrooms readily identified prominent characteristics white color fruit body odor ring stipe geographic region grow lower elevations typically autumn gray cap stipe yellow lacks ring violet tones cap lacks ring include species broad gills lack characteristic odor habitat distribution fruit bodies grow singly groups conifers late spring early summer fairly common species range found high elevations california north oregon washington fungus meaning commonly found edge melting fruit bodies buried forming hardly visible apparent cracked ground
Tricholoma vernaticum