commonly known blue species fungus family common species found europe north_america grows meadows gardens officially described science known distinct species centuries taxon defined later authors synonym fruit bodies mushrooms feature greenish blue cap sparsely covered white veil margin sticky surface texture gills cap underside attachment stipe initially pale brown darker brown age spores mature greenish stipe covered white scales thin ring similar appearance common relative species robust ring stipe scales cap darker gills white edges taxonomy finnish scientist observed known species characterized brown spore print indistinct temporary ring stipe lining gill edges called based taxon later researchers confirmed existence widespread european distribution taxon use incorrect type refers purple brown spored species despite persisted contemporary field guides mentioned scientific literature usage considered valid according rules christian refer species synopsis sanctioned work officially described mycologist collections near germany transferred species today genus reserved species contain compounds reported subsequent analyses revealed traces substance fruit bodies specific epithet latin blue mushroom commonly known blue french mycologist called mushroom numerous authors use refer instead description conical flattened caps measuring diameter usually low broad colour cap depends age ranging pale blue green yellowish bluish green whitish zone margin invariably bluish green moist cap sticky cuticle readily dry caps smooth shiny gills initially pale brown darker brown age spores mature attachment stipe stipe short lived ring zone zone stipe smooth flesh blue cap stipe lacks distinctive flavour fruit bodies edible spore print brown spores typically measure ellipsoid shape depending viewing angle basidia spore bearing cells narrowly club shaped spored dimensions found gill edge club shaped measuring neck wide gill face wide neck clamp connections abundant tissues fungus produces cells produced short branches similar species greenish confused uncommon species grows meadows slender form soft stipe flesh similar fresh pepper dense slender spherical tip non cheilocystidia gill edge gives gills young fresh fruit bodies whitish edge feature absent common distinguished developed ring zone stipe darker gills white edges numerous whitish scales cap margin additionally stable colours tends quickly wash collections characteristics intermediate species making difficult identify accurately habitat distribution ecology fungus fruits singly groups grows meadows gardens europe found beech woods soil common species found europe fruits july november found north_america generally fruiting august october extent distribution unknown form structures consisting dense mass hyphae create extensive underground networks nutrients allow fungus forage resources associated stems common systems development species interactions cord forming wood investigated form structure characterized dense relatively slowly extending formation associated finding relatively distributed nutrients equivalent short range foraging increase supply soil nitrogen increases branching allowing increased nutrients
Stropharia caerulea