northern marsh fern
northern marsh fern (Canadian Forest Service, 2007) is a synonym English vernacular name for:
Thelypteris palustris var. pubescens (G. Lawson) Fernald , an accepted variety name sensu FNA Ed. Comm., 1993.
northern marsh fern (Canadian Forest Service, 2007) is a synonym English vernacular name for:
Thelypteris palustris var. pubescens (G. Lawson) Fernald , an accepted variety name sensu FNA Ed. Comm., 1993.