Thelypteris palustris (A. Gray) Schott [ Thelypteris palustris variety haleana Fernald]
      
no HD illustration available (m3)
Thelypteris palustris Fernald var. haleana Thelypteridaceae
D.S. Correll, H.B. Correll, Aquatic Wetl. Pl. SW U.S.: , fig. 19.3 (1972) [J.W. Roller]