commonly known jack lake western painted species fungus family characterized distinctive reddish brown fibers small scales cap presence veil stem caps reach stems long usually thick underside cap layer yellow yellow brown angular pores pores covered whitish partial veil young mycorrhizal fungus grows association douglas fir found tree occurs native northwestern north_america introduced europe south_america new_zealand mushroom edible opinions vary considerably quality taxonomy naming american mycologist originally named species mycologist college lake collected type specimen oregon late november later transferred species genera respectively monograph north american species transferred species simultaneously described variety said collectors called reddish cap singer considered species smith later examined type material concluded distinct species colleagues described variety var based described czech index consider synonymous mushroom commonly known western painted jack lake slippery cap description cap diameter initially convex somewhat maturity cap dry yellowish reddish brown fades age covered pressed hairs minute scales center yellowish flesh visible scales heavy rain wash cap surface leaving sticky layer older specimens nearly smooth age remnants partial veil hang edge cap cap margin initially curved rolled grows maturity upward tubes comprise surface underside cap deep angular pores wide arranged pores range color yellow brownish yellow stain brownish reddish brown bruised covered partial veil young specimens flesh thick yellow unchanged color bruised broken turns pinkish red stem long usually thick yellow reddish streaks solid yellow species usually lacks dots stem characteristic species stem equal width length tapered downwards tissue stem base weakly stain bluish green cut reaction usually apparent mature specimens ring delicate resembling soon disappears leaves thin whitish ring stem spore print brown color variety found italy light yellow cap purple red scales variety cap common form spores shaped elliptical smooth surface dimensions spored basidia spore bearing cells club shaped hyaline translucent dimensions cystidia plentiful found lined tube mouths cheilocystidia commonly singly sides tubes pleurocystidia structures thin walled cylindrical measure scales cap surface comprise erect hyphae tips clamp connections rare hyphae edibility edible opinions vary considerably quality called choice coarse mediocre laboratory tests indicate fruit bodies activity contain similar species mushrooms appearance similar distinguished associations trees example eastern north american species grows association cap red yellow background grow grows mixed coniferous forests gelatinous veil smith note difficult tell difference lost veil colors species reliably distinguish cap pink orange hairs scales similar species western north_america distinguished strong blue develops stem injured habitat distribution indigenous rocky_mountains western parts north_america range extends south mexico fruit bodies grow groups ground young stands grassy fruiting occurs late summer autumn forms douglas fir distribution tree common species found northwestern montana idaho study host pure culture laboratory failed form healthy roots hyphae covered like deposits appeared collapsed noted prefer poor exposed soil found road banks found mushroom species associates douglas fir douglas fir non native introduced species europe fungus found central south european countries following intentional introduction douglas fir include bulgaria czech_republic germany hungary italy slovakia considered endangered czech_republic reported new_zealand south_america argentina chile
Suillus lakei