-
By: Kittredge, E MType: ArticleIn: American fern journalVolume: 15Series:Issue:Date: 1925Page Range: 93--98Publication Info: [Washington, etc.] American Fern SocietySubjects:
-
By: Kittredge, E MType: ArticleIn: American fern journalVolume: 12Series:Issue:Date: 1922Page Range: 53--57Publication Info: [Washington, etc.] American Fern SocietySubjects: