"2257" . . . "Helicogonium" . . "863874" . _:b76361032 "2257" . . _:b76361032 "Index Fungorum id" . "Helicogonium W.L.White, 1942" . . _:b76361032 . _:b76361032 . "Helicogonium" . "Helicogonium" . . . "W.L.White, 1942" . _:b76361032 . .