▁t issue ▁of ▁the ▁fruit ▁body ▁convinced ▁Th ax ter ▁the ▁material ▁was ▁sufficiently ▁different ▁from ▁known ▁W yn nea ▁species ▁to ▁justify ▁the ▁creation ▁of ▁a ▁new ▁species . ▁Both ▁the ▁Tennessee ▁and ▁the ▁North ▁Carolina ▁spec im ens ▁were ▁used ▁as ▁s ynt ypes ▁to ▁describe ▁the ▁tax on ; ▁the ▁Tennessee ▁spec imen ▁has ▁since ▁been ▁designated ▁the ▁lect ot ype ▁( the ▁name - b ear ing ▁type ▁spec imen ). ▁In ▁ 1 9 4 6 , ▁French ▁my colog ist ▁Marc elle ▁Louise ▁Fern ande ▁Le ▁Gal ▁determined ▁that ▁the ▁as cus ▁in ▁W .   amer icana ▁was ▁similar ▁in ▁structure ▁to ▁those ▁species ▁he ▁placed ▁in ▁the ▁sub oper cul ate ▁series . ▁ ▁The ▁common ▁names ▁for ▁W .   amer icana ▁are ▁" mo ose ▁ant lers ", ▁or ▁" ra bb it ▁ears ". ▁ ▁Description ▁ ▁The ▁fruit ▁bodies ▁( techn ically ▁called ▁ap othe cia ) ▁of ▁W .   amer icana ▁are ▁ere ct ▁and ▁sp oon - ▁or ▁ear - sh aped , ▁and ▁may ▁reach ▁up ▁to ▁ ▁tall ▁by ▁ ▁wide ▁with ▁the ▁edges ▁usually ▁rolled ▁in ward . ▁The ▁outside ▁surface ▁is ▁dark ▁brown , ▁while ▁the ▁inner ▁surface — the ▁sp ore - b ear ing ▁h ym enium — is ▁p ink ish ▁orange ▁to ▁d ull ▁pur pl ish ▁red ▁or ▁brown ▁at ▁m atur ity . ▁The ▁outer ▁surface ▁may ▁develop ▁wr ink les ▁in ▁m atur ity . ▁The ▁ap