dcsimg
Please read BHL's Acknowledgment of Harmful Content
Sort By:
  1. By: Karrfalt, Eric E - Hunter, Dale M
    Type: Article
    In: American fern journal
    Volume: 70
    Date: 1980
    Page Range: 69--72
    Publication Info: [Washington, etc.] American Fern Society
  2. By: Karrfalt, Eric E
    Type: Article
    In: American fern journal
    Volume: 89
    Date: 1999
    Page Range: 198--203
    Publication Info: [Washington, etc.] American Fern Society