Flora of Pennsylvania

Gymnocarpium dryopteris gallery

Common Oak Fern Gallery

Emerging frond
Emerging frond
Mount Pisgah State Park (Bradford Co)
by Colin Gillette on 04/27/2025
Fronds
Fronds
Ricketts Glen State Park (Luzerne Co)
by George Chamuris on 05/15/2019
Plant form
Plant form
Mount Pisgah State Park (Bradford Co)
by Colin Gillette on 05/21/2023
Plant form
Plant form
Mount Pisgah State Park (Bradford Co)
by Colin Gillette on 05/21/2023
Plant form
Plant form
Mount Pisgah State Park (Bradford Co)
by Colin Gillette on 05/21/2023
Pinna with sori
Pinna with sori
Mount Pisgah State Park (Bradford Co)
by Colin Gillette on 05/27/2023
Pinnule veining
Pinnule veining
Mount Pisgah State Park (Bradford Co)
by Colin Gillette on 05/27/2023
Blade
Blade
Mount Pisgah State Park (Bradford Co)
by Colin Gillette on 05/27/2023
Blades
Blades
Mount Pisgah State Park (Bradford Co)
by Colin Gillette on 05/27/2023
Plant form
Plant form
Mount Pisgah State Park (Bradford Co)
by Colin Gillette on 08/13/2023