The previous page is sending you to https://bioone.org/journals/american-fern-journal/volume-98/issue-4/0002-8444-98.4.214/Eleven-New-Species-in-the-Grammitid-Fern-Genus-span-classgenus/10.1640/0002-8444-98.4.214.pdf.

 If you do not want to visit that page, you can return to the previous page.