-
By: Ollgaard, BenjaminType: ArticleIn: Annals of the Missouri Botanical GardenVolume: 79Series:Issue:Date: 1992Page Range: 687--717Publication Info: St. Louis, Missouri Botanical Garden Press, 1914-Subjects:
-
By: Ollgaard, BenjaminType: ArticleIn: American fern journalVolume: 79Series:Issue:Date: 1989Page Range: 151--154Publication Info: [Washington, etc.] American Fern SocietySubjects:
-
By: Ollgaard, BenjaminType: ArticleIn: American fern journalVolume: 72Series:Issue:Date: 1982Page Range: 53--55Publication Info: [Washington, etc.] American Fern SocietySubjects:
-
By: Peck, James H - Ollgaard, Benjamin - Tind, KirstenType: ArticleIn: American fern journalVolume: 83Series:Issue:Date: 1993Page Range: 134--134Publication Info: [Washington, etc.] American Fern SocietySubjects: