Pyrrosia princeps, a Fern New to Cultivation , a Fern New to Cultivationv. 60No. 3118–119Morton, Conrad V. 1970. "Pyrrosia princeps, a Fern New to Cultivation." American Fern Journal, 60, (3) 118–119.More...ID: 93636Type: articleKeywords: NMNH; NH-Botany; Annals-Import