. "Agaricus arvensis var. purpurascens" . "Cooke, 1885" . _:b76314967 "Index Fungorum id" . . . . _:b76314967 . . . "973927" . "Agaricus arvensis var. purpurascens Cooke, 1885" . _:b76314967 . . _:b76314967 "137573" . "137573" . _:b76314967 . . "Agaricus arvensis var. purpurascens" .