"Valsa opulina" . "862938" . . _:b76297072 "191395" . . "Valsa opulina" . . . "Sacc. & F.Sacc., 1889" . . _:b76297072 . _:b76297072 . "Valsa opulina" . . . . _:b76297072 "Index Fungorum id" . _:b76297072 . "191395" . "Valsa opulina Sacc. & F.Sacc., 1889" .