"Polyporus rufescens var. biennis" . "Polyporus rufescens var. biennis (Bull.) Duby" . "Polyporus rufescens var. biennis" . "9252697" . . _:b76218894 . . . _:b76218894 "9252697" . . . "(Bull.) Duby" . "507903" . _:b76218894 "GBIF id" . . _:b76218894 . . _:b76218894 .