Ferns -- Kentucky -- Red River Gorge. / https://id.loc.gov/authorities/subjects/sh85047836 https://id.loc.gov/authorities/subjects/sh85112082-781 : Dourson, Dan,
Ferns -- Middle Atlantic States. / https://id.loc.gov/authorities/subjects/sh85047836 https://id.loc.gov/authorities/subjects/sh85085007-781 : Small, John Kunkel,
1935
1
Ferns -- Middle West -- Identification. / https://id.loc.gov/authorities/subjects/sh85047836 https://id.loc.gov/authorities/subjects/sh85085029-781 https://id.loc.gov/authorities/subjects/sh99001565 : Mohlenbrock, Robert H.,
2006
1
Ferns -- New Jersey -- Identification. / https://id.loc.gov/authorities/subjects/sh85047836 https://id.loc.gov/authorities/names/n80046086-781 https://id.loc.gov/authorities/subjects/sh99001565 : Montgomery, James D.,
1992
1
Ferns -- New Jersey -- Pictorial works. / https://id.loc.gov/authorities/subjects/sh85047836 https://id.loc.gov/authorities/names/n80046086-781 https://id.loc.gov/authorities/subjects/sh99001272 : Montgomery, James D.,
1992
1
Ferns -- New York (State) / https://id.loc.gov/authorities/subjects/sh85047836 https://id.loc.gov/authorities/names/n80126293-781 : Small, John Kunkel,
1935
1
Ferns -- North America -- Identification. / https://id.loc.gov/authorities/subjects/sh85047836 https://id.loc.gov/authorities/subjects/sh85092455-781 https://id.loc.gov/authorities/subjects/sh2002011456 : Cobb, Boughton.
1956
1
Ferns -- Spores. / https://id.loc.gov/authorities/subjects/sh85047838 : Hires, Clara S.
1965
1
Ferns -- Tennessee. / https://id.loc.gov/authorities/subjects/sh85047836 https://id.loc.gov/authorities/names/n79060965-781 : Shaver, Jesse M.
1970
1
Ferns -- United States. / https://id.loc.gov/authorities/subjects/sh85047836 https://id.loc.gov/authorities/names/n78095330-781 : Wherry, Edgar T.
1948
1
Ferns -- United States -- Identification. / https://id.loc.gov/authorities/subjects/sh85047836 https://id.loc.gov/authorities/names/n78095330-781 https://id.loc.gov/authorities/subjects/sh2002011456 : Parsons, Frances Theodora,