species fungus family described michigan found eastern united_states mexico grows mycorrhizal association hardwood trees fruit bodies mushrooms fungus caps deep red red dark red pores stem coarse dark red raised net like ridges narrow yellow area parts mushroom quickly stain blue injured cut include lighter colored species grows conifers similar species distinguished differences distribution morphology reaction microscopic characteristics mushrooms poisonous cause distress consumed taxonomy species described american monograph michigan type collection smith near stored specific epithet derives latin words red description shape cap convex broadly convex reaches diameter margin cap extends slightly tubes cap surface dry initially appears pressed flat surface grayish later hairs present cap margin maturity center caps develop slight cracks cap deep red color remains constant life fruit bodies flesh thick soft yellow taste mild distinct odor underside cap spore bearing surface comprises vertically arranged minute tubes like openings tubes yellow deep initially fused stem later free attachment nearly individual pores round small overall surface uneven pitted color initially deep red fades slightly maturity surface quickly turns blue injury stem long thick solid hollow equal width club shaped inside yellowish reddish streaks stem surface covered coarse dark red near color yellow beneath parts mushroom quickly stain blue cut bruised injured mushroom poisonous consumed cause distress typical symptoms include produces olive brown spore print spores smooth roughly slightly swollen face view profile view dimensions spores broad shallow depression depressed area dorsal spore attached yellowish hyaline translucent melzer reagent pale yellow orange mounted solution potassium basidia spore bearing cells club shaped long stalk spored measure pleurocystidia cystidia tube faces rare scattered somewhat shaped somewhat sharp tip cheilocystidia cystidia gill edges abundant roughly similar shape pleurocystidia mounted cheilocystidia orange yellow color walls smooth thin tissue tubes meaning central strand roughly parallel hyphae hyphae central strand comprises interwoven hyphae orange yellow hyphae continue hymenium form contain smooth hyphae measuring wide cap cuticle consisting tightly interwoven pressed hyphae usually wide hyphae zone layer surface cuticle fine seen melzer reagent clamp connections absent hyphae similar species distinctive field characteristics distinguish similar include deep purple red cap stem similar appearance variable cap color ranging dark red brick red reddish brown yellow stem base prominently stem grows conifers similar variable cap color brown olive tones cut flesh odor fruit dry european species paler overall color european species larger spores weakly pores associates oak trees addition geographic location species distinguished reddish brown cap fading brownish orange maturity brownish red deep red stem shallower tubes known japan grows deciduous forests differs primarily having brownish scales cap habitat distribution mycorrhizal species fruit bodies grow scattered groups ground hardwood trees fungus fruits summer autumn months tends appear hot weather heavy rains known north_america range extends new_england south tennessee west michigan recorded mexico
Boletus rubroflammeus