fungal genus family genus contains single species described fungus produces fruit bodies shiny yellowish orange caps diameter supported stems measuring long thick rare uncommon species found northern temperate regions north_america europe typically fruits groups wet areas coniferous forests species confused comparable appearance similar range habitat microscopic characteristics reliably distinguish taxonomy genus contain species originally named described species collections fir forest near sweden subsequently recorded north_america northwestern usa times smith listing synonyms species smith cited publication year work instead correct rendered new combination invalid according rules international code botanical nomenclature generic valid subsequently published taxonomic history species placed specialist excluded taxon genus monograph based spores lacked pale spore print stem texture basal examined smith collections suggested material appropriately considered smith noted features inconsistent placement including spore print color presence stem texture basal smith placed genus biology fruit bodies spore print color fit broad concept family envisaged noted genus fit restricted concept family lack spore walls recently taxonomic authorities placed genus family molecular analysis shows closely allied group form clade sister rest family description cap initially somewhat conical margins rolled inward expands bell shaped broadly convex maturity reaching diameter cap rounded conical color cap ranges dull bright orange young yellowish brown maturity color fades yellowish buff cap surface smooth polished somewhat translucent radial gill lines seen margin gills closely spaced tiers interspersed short gills gills attachment stem gills tend separate stem maturity initially whitish color turning brownish spores mature smooth stem measures long thick yellowish pale orange near dark reddish brown base maturity stem turns black base upward morgan noted stipe remarkably similar mushroom flesh odor ranges indistinct somewhat taste indistinct bitter edibility mushroom unknown spore print pale brown spores egg shaped somewhat visible stained solution contain single oil measure spore walls small points ridges small basidia spore bearing cells club shaped spored measure cystidia gill face pleurocystidia abundant shaped swollen thick tips occasionally translucent crystals dimensions walls pale brown translucent thick cystidia gill edge cheilocystidia roughly shorter cap cuticle comprises layer arranged hyphae measuring diameter clamp connections present hyphae similar species similar appearance shares habitats geographical range comparable generally faded coloration produces brownish spore prints lacking tones species reliably distinguished microscopic characteristics smooth spores cheilocystidia thin walls owing similarly colored cap habitat confused readily differentiated field long extending substrate heavily spores absence pleurocystidia similar species include unlike smooth spores yellow lack found washington michigan sweden fruits groups rotten logs distinct microscopic characteristics wider range lack pleurocystidia habitat distribution saprobic fungus uses plant debris usually bits wood substrate fruit bodies appear autumn grow groups moist habitats near edges conifers birch soil wet spring flooding recorded north_america common pacific_northwest region europe rare widespread northern continent smith called species extremely rare
Mythicomyces