commonly known rabbit ears species fungus family uncommon species recognizable shaped rabbit ear shaped fruit bodies reach tall dark brown outer surfaces fertile spore bearing inner surface orange pinkish reddish brown fruit bodies grow large underground masses known eastern north_america typically found growing soil underneath hardwood trees found new_york michigan south mexico species collected costa_rica india japan distinguished species genus small outer surface large spores sharply pointed tip spores structures called rings end capped structure known lid opened spores released history taxonomy described american mycologist found clusters fruit bodies burbank tennessee believed fungus identified species genus visit location yielded specimens time noticed fruit bodies attached expected large irregularly brown firm like body buried inches deep microscopic examination structure tissue fruit body convinced material sufficiently different known species justify creation new species tennessee north_carolina specimens describe taxon tennessee specimen designated bearing type specimen french mycologist determined similar structure species placed series common names rabbit ears description fruit bodies technically called erect ear shaped reach tall wide edges usually rolled inward outside surface dark brown inner surface spore bearing hymenium pinkish orange dull red brown maturity outer surface develop maturity occur singly groups arise short stalk stalk variable length solid dark outside white originate compact mass hardened gelatinous consistency irregularly shaped internal chambers reach diameter function thought supply moisture nutrients serve resistant structure capable sustaining fungus times stress species genus bear odor taste unknown described microscopic characteristics cup fungi microscopic analysis anatomy structure necessary accurate identification species help distinguish related species similar external appearance outer layer tissue comprising thick composed dark angular roughly spherical cells diameter angular cells form outer surface inner layer tissue underneath gelatinous composed interwoven hyphae diameter structural components involved spore discharge spore bearing cells long wide ring capped lid opened spores released presence ring beneath opening results condition known shared family spores boat shaped dimensions marked prominent longitudinal grooves mature ending abruptly short point spores typically contain oil sterile cells interspersed long internal called structure investigated transmission electron revealed single fan shaped matrix electron dense region shaped ring translucent tissue wrapped plug resembles found species similar species closely related known vernacular fungus fruit body resembling yellow brown atop long brown stem comparison smaller rounded tips numerous single specimen paler color monograph genus suggests appearance outer surface clearly distinguishes species genus habitat distribution fruit bodies grow clusters ground deciduous forests prefer moist organic soils asia north_america fruit bodies produced august september single central american collection costa_rica early november north_america collected locations including tennessee new_york west_virginia north_carolina ohio pennsylvania collected costa_rica india mexico japan
Wynnea americana