-
By: Bierhorst, David WType: ArticleIn: American fern journalVolume: 64Series:Issue:Date: 1974Page Range: 18--26Publication Info: [Washington, etc.] American Fern SocietySubjects:
-
By: Bierhorst, David WType: ArticleIn: Annals of the Missouri Botanical GardenVolume: 61Series:Issue:Date: 1974Page Range: 408--426Publication Info: St. Louis, Missouri Botanical Garden Press, 1914-Subjects: