species fungus family mushrooms commonly known chicken fat mushroom american slippery jack american grows mycorrhizal association eastern white pine found tree occurs eastern north_america china mushroom recognized bright yellow cap red reddish brown scales embedded large yellow angular pores underside cap narrow yellow stem marked dark reddish dots molecular analysis suggests species found western north_america western central asia edible opinions vary susceptible individuals suffer contact touching fruit bodies fruit bodies contain beta shown laboratory tests anti properties taxonomy classification described scientifically american mycologist based specimens originally collected far new_york state near albany publication indicated originally listed collections known report published pointed nearly century later report actually mention species field notes year served basis report reference collection original description likely based failed designate type specimen sand lake specimens french mycologist transferred species genus defunct taxon collaborating transferred species version authoritative monograph modern taxonomy singer included species genus grouping taxonomic level genus characterized colored spore print olive wide pores typically greater mature common names species include american american chicken fat mushroom reference yellow color specific epithet means america description cap typically diameter broadly convex small central elevation flat age cap margin curved young specimens remnants yellowish veil hanging cap surface colored bright yellow red brownish streaks patches fruit body young moist surface cap matures sticky tubes comprise layer underside cap deep attached broadly stem running length stem attachment stem yellow stain reddish brown bruised yellow pores large diameter angular tend darker age pores slightly wider long pores centimeter measured centimeter measured halfway edge case spores form inner surfaces tubes openings borne away air currents outside stem roughly equal width hollow age color stem surface lemon yellow covered dots handled partial veil attached stem usually leave ring stem whitish present base stem helps anchor fruit body substrate flesh yellow pinkish brown cut bruised microscopic characteristics deposit spores colored viewed microscope pale yellow smooth roughly elliptical shape measure basidia spore bearing cells club shaped spored dimensions pleurocystidia cystidia found sides gill range shape cylindrical club shaped arranged bases surface cystidia covered brown pigment particles cheilocystidia cystidia located gill faces club shaped expanded apex like pleurocystidia arranged brown pigment particles base cystidia near tube openings visible hand lens like species cystidia turn orange brown presence solution potassium layer cap surface results interwoven layer gelatinous hyphae typically thick edibility species edible opinions mixed author says fruit bodies coarse taste good mentions thin flesh hardly species worthwhile says yellow cap remind chicken fat wonderfully mushroom flavor texture mushroom compared author suggests mushroom ideal spreads use bread dip fruit bodies oven dry future use concentrate flavor odor taste mild field guide suggests distinctive caps layer typically removed consumption similar species similar appearance distributed western north_america western central asia species associates field guide suggests thicker stem brown spots cap darker yellow molecular analysis shown specimens collected china western north_america eastern north_america likely single taxon species distinguished slightly smaller hyaline translucent spores typically association habitat distribution common species found growing clusters ground northeastern north_america north canada typically fruits late summer autumn found china example distribution fruit bodies found drier weather species abundant mycorrhizal species relationship fungus forms surface root hyphae extend outward soil cells interface form net main benefit fungus constant access supply produced plant plant benefits enhanced supply mineral nutrients soil taken hyphae fungus grows association particularly eastern white pine susceptible individuals experienced reaction touching symptoms contact generally develop days initial contact persist roughly week disappear treatment cooking fruit bodies responsible compounds contains known beta laboratory tests suggest anti activity known specifically natural function component fungal cell wall forms wall strength anti activity results ability production activated cell immune system
Suillus americanus