Sphaerostephanos magnus ContentDistribution Citation Distribution Asia-Tropical: Philippines (Philippines present), Negros presentMalesia: Philippines (Negros). Known from two collections, the other being Elmer 9845 which consists in part of the present species, in part of Pneumatopteris nitidulus (Presl) Holttum. Citation Copel. 1960: Fern Fl. Philip.: 346