fungal genus family genus contains single species mushroom described scientifically collections new_jersey found eastern united_states costa_rica china taiwan grows mycorrhizal association oak trees fruit body chestnut brown cap smooth dry underside cap elongated tubes spore deposit yellow brown edibility mushroom unknown historically unique combination morphological features resulted transfer different genera molecular phylogenetic analysis published demonstrated species genetically unique warrant placement genus taxonomy named american mycologist type collected new_jersey botanist transferred generic concept included ring stipe placed thought species appropriately placed transferred genus moved treatment north american species recent history moved dick later moved different authors synonym based different type original publication compared species noted differed reddish brown color yellow colors flesh tubes stipe having examined additional collections realized species represented morphological variations colleagues published molecular analysis showing species genetically distinct deserve placement new genus named original type lost designated collection reading pennsylvania named honor mycologist curator emeritus promoter student specific epithet means small chestnut refers color cap description cap convex age reaching diameter center cap shallow depression margin ranges irregular cap surface dry initially smooth maturity color ranges reddish brown brown dark yellowish brown flesh white unlike species change color bruised injured thick cap pores angular elongated measure wide color surface pinkish brown tan buff yellowish brown maturity bruised areas turn tubes somewhat attached stipe running slightly length extend deep mushroom lacks odor taste dry solid stipe measures long thick nearly equal thickness slightly tapered end surface smooth area apex edibility mushroom unknown fruit bodies produce yellow brown spore print spores egg shaped ellipsoid smooth thin walled measure basidia spore bearing cells club shaped spored measure cystidia present tube walls pleurocystidia edges cheilocystidia somewhat shaped central swelling measure clamp connections absent hyphae hyphae chemical tests help confirm identification mushroom cap cuticle turns grayish application drop dark brown amber solution potassium flesh turns pale brown pale yellow habitat distribution fruit bodies grow singly scattered groups oak trees birch beech eastern white pine present area typical habitats include woods asia recorded growing bamboo forests united_states fruiting season occurs july october range extends carolinas north new_york new_england west minnesota collected costa_rica china taiwan
Bothia