commonly known species fungus family described france species found asia australia europe eastern north_america grows ground coniferous mixed forests yellowish buff cap surface reaches diameter thick stem roughly color cap lighter chambers parts mushroom turn intense blue color moments cutting mushroom edible despite hard stem common variety occurs color change deep violet blue reaction results chemical called taxonomy species described scientifically french botanist france later synonyms include christian und variety described collections michigan usa specific green water commonly described dense bloom free floating single cell algae derived ancient greek meaning dark blue epithet means having violet commonly known description cap initially convex maturity depressed reaches diameter cap dry ranges color buff yellowish pale olive occasionally darker streaks color surface uneven pits cap margin initially curved inward splits maturity flesh whitish pale yellow texture underside cap surface white yellowish olive tan roughly circular pores millimeter tubes comprise pores deep depressed stem injury pores cause stain greenish yellow greenish blue blue stem long thick roughly equal width length basal middle swelling stem tissue hard initially stuffed soft develops entirely hollow maturity roughly color cap lighter stem surface dry lacks initially covered coarse hairs tend disappear maturity leave relatively smooth surface parts fruit body stain blue cut injured variety var nearly identical appearance dark bruised odor taste fruit bodies indistinct color spore print pale yellow spores ellipsoid smooth hyaline translucent dimensions basidia spore bearing cells club shaped spored measure pleurocystidia cystidia inner walls tubes light yellow brown color club shaped measure cheilocystidia found tube edge numerous measure clamp connections present hyphae similar species species similar overall appearance field typically readily recognized characteristic straw yellow color nearly dark blue smaller dull brownish yellow cap flesh reaction injury yellow surface larger spores measuring found gulf_coast united_states similar appearance lacks reaction newly described china closely resembles frequently confused species smaller fruit body brownish cap diameter reaction involves change light dark dark blue spores brownish pores undergo slower blue reaction fruit bodies uprooted cap examined confused young mushrooms uses edible considered choice sources fruit bodies mature typically free insect larvae specimens collected sandy soil difficult clean cleaning facilitated washing fruit bodies bowl water sand blue color largely disappears minutes cooked mushrooms texture mild flavor enhanced fried drying mushrooms taste variety mushroom produces light yellow gold brownish orange color depending ecology distribution species broad host range fruit bodies grow singly scattered ground deciduous mixed forests found association birch fungus tends prefer sandy soil road banks woodland edges fruiting occurs summer early autumn fruit bodies mold infection results mushroom tissue yellow color caused formation large amounts single produced found asia australia north_america europe china known fungus appears woodland australia north_america widespread east rocky_mountains geographical distribution ranges eastern canada florida west minnesota occasionally reported pacific_northwest var reported japan chemistry identity chemical causing tissue injury reported highly substituted develops blue color contrast attributed acid supplied route fungi synthesis
Gyroporus cyanescens