species mushroom family described new science known pacific_northwest region north_america grows conifers spruce fruit bodies fungus mushrooms dark chestnut brown cap deeply maturity reaches gills underside cap initially pinkish buff pale brown spores mature stem measuring long thick mushroom produces brown spore print individual spores measuring edibility mushroom determined described slippery value taxonomy species described based specimens found oregon october november species called refers european species genus classified subgenus subgenus includes species cap stem sticky result universal veil based acid sequence similarity internal region closely related european north american rican species common species pointed specific epithet refers species originally collected description young fruit bodies covered universal veil layer cap young mushrooms moist weather shape cap oval conical margin initially expanding broadly somewhat flattened maturity eventually reaching cap color initially chestnut brown black paler brown matures surface especially near margin flesh soon pale buff odor taste distinctive drop solution reagent commonly mushroom identification applied surface cap turn olive green gills pinkish buff young caps dull brown maturity spores mature packed close stem long thick narrowed slightly base slowly buff near base stem surface thick veil light purple upper portion darker lower portion universal veil breaks concentric zones lower stem edibility mushroom known notes slippery value spore print brown color face view spores broadly egg shaped profile appear broadly dimensions spore surface lack spores contain basidia spore bearing cells hymenium spored broadly club shaped contents form yellow masses stained melzer reagent cystidia gill edge club shaped abruptly tapering point measure pleurocystidia cystidia gill face gill tissue hyphae arranged roughly parallel fashion brownish orange brown fat containing hyphae present outer layer tissue cap turf gelatinous hyphae measure wide clamp connections absent rare hyphae veil hyphae wide hyaline translucent yellow mounted solution hyphae stem present similar species smith noted similarity species violet gills lighter brown cap bands stem rarely tinged purple species group lighter colored cap gills pale purple young fringed edges related european species found coniferous mixed forests dark brown capped species confused species subterranean stem stem base gills free attachment stem habitat distribution mycorrhizal mushroom grows association trees fruit bodies grow scattered rings groups spruce mushroom known pacific_northwest region north_america including queen charlotte islands north coast british_columbia canada fruits autumn early winter late summer western canada frequency occurrence described variously common fairly common rare oregon
Cortinarius vanduzerensis