This is a rare species of marshy ground, sometimes beside lakes. It can be locally abundant.
All names: Thelypteris palustris Schott; Thelypteris thelypteroides ssp. glabra Michaux Holub.; Aspidium thelypteris (L.) Sw.; Nephrodium thelypteris (L.) Strempel; Lastrea thelypteris (L.) Bory; Dryopteris thelypteris (L.) A.Gray