conocybe rickenii, inedible mushroom

identification urban inedible body humus mulch spores safety litter mushroom microscopy grasslands field mold spore ecosystem cultural description taxonomy mycology toxicology preservation survey significance climate areas leaf substrate role cap forest value biodegradation rickenii gills name lawn mycorrhiza binomial edibility temperate habitats fruit nutritional photodocumentation fertilized cellulose decomposition brown stipe ecological care soil conocybe herbarium print hymenomycetes lawns distribution microorganisms lignin saprophyte symbiosis