species mushroom family described new science found gulf_coast florida panhandle grows ground coastal sand dunes north american known favor habitat fruit bodies convex brownish caps diameter supported solid yellowish reddish stems measuring long thick pores underside cap measure diameter initially pale yellow developing greenish age mushroom spores long unusually long member stem base feature species named taxonomy species described new science journal material collected joseph peninsula state park florida january published short description color photograph species field guide valid lacked latin description specific epithet refers abruptly swollen shape base stem description convex cap measures diameter slightly sticky wet cap surface shiny smooth surface flattened formed hyphae develop cracks thin easily detached cap cuticle initially reddish brown dark brown later brown cap margin curved inward young bent downward mature white pale yellow cap flesh change color exposed air pleasant odor mild taste tubes comprising underside cap measure long pale yellow initially developing greenish age surface stain bruised pores roughly spherical angular age gill like near attachment stem pores diameter stem solid hollow long thick upper expanding base cord like structures resembling plant root long stem surface dry smooth region near apex stem yellow gradually reddish approaching base stem tissue pale yellow tunnels dug insect larvae reddish brown drop solution placed cap surface immediately turns dark red placed stem base dried specimen turn dark roughly seconds starting fade spores smooth shaped measure large member grayish yellow greenish yellow mounted potassium reddish brown stained melzer reagent basidia spore bearing cells hymenium club shaped hyaline translucent spored measure hymenium contains immature aborted basidia club shaped measure pleurocystidia cystidia surface tubes range shape somewhat shaped cylindrical hyaline smooth thin walled dimensions cystidia edges pores cheilocystidia shaped centrally swollen hyaline smooth thin walled clamp connections absent hyphae base large spores distinctive habitat characteristic features species readily distinguishable coloration cap texture similar spores species shorter respectively habitat distribution fruit bodies grow singly groups sand species known gulf_coast florida panhandle fruiting occurs older sand dunes particularly areas habit changes coastal oak pine woods habitat characterized presence tree species sand live oak sand pine fruiting occurs december march north american species occur coastal sand dunes found new_brunswick canada described oregon
Boletus abruptibulbus