▁a ▁ 1 9 9 5 ▁mon ograph , ▁Maria ▁N ú ñ ez ▁and ▁Le if ▁Ry v arden ▁grouped ▁ 3 2 ▁Pol yp orus ▁species ▁into ▁ 6 ▁morph olog ically - based ▁inf rag ener ic ▁groups : ▁Ad mi rab ilis , ▁D end ropol yp orus , ▁F av ol us , ▁Pol yp or ell us , ▁Mel an opus , ▁and ▁Pol yp orus ▁sens u ▁str ic to . ▁ ▁The ▁identity ▁of ▁the ▁type ▁species ▁of ▁Pol yp orus ▁has ▁long ▁been ▁a ▁matter ▁of ▁cont ention ▁among ▁my colog ists . ▁Some ▁have ▁preferred ▁P .   br um alis , ▁some ▁P .   squ amos us , ▁while ▁others ▁have ▁preferred ▁P .   t uber aster . ▁ ▁Several ▁mole cular ▁ph y log en et ics ▁studies ▁have ▁shown ▁that ▁Pol yp orus , ▁as ▁currently ▁circ ums cribed , ▁is ▁poly phy let ic ▁and ▁will ▁need ▁to ▁have ▁its ▁generic ▁limits ▁re vised . ▁ ▁Species ▁▁ ▁Pol yp orus ▁al ve olar is ▁ ▁Pol yp orus ▁al ve ol arius ▁▁▁ ▁Pol yp orus ▁arc ular ius ▁ ▁Pol yp orus ▁br um alis ▁ ▁Pol yp orus ▁chosen iae ▁ ▁Pol yp orus ▁c ory lin us ▁▁▁ ▁Pol yp orus ▁cr ater ell us ▁ ▁Pol yp orus ▁crypt opus ▁ ▁Pol yp orus ▁dict y opus ▁▁▁ ▁Pol yp orus ▁gay anus ▁▁▁ ▁Pol yp orus ▁gram mo ce phal us