Thelypteris palustris gallery
Marsh Fern Gallery
Growth pattern
Myles Standish Forest, MA
by Maria Pavlova on 06/14/2015
Lower pinnae
Greenwood Furnace (Huntingdon Co)
by Maria Pavlova on 09/10/2023
Adult frond
Greenwood Furnace (Huntingdon Co)
by Maria Pavlova on 09/10/2023
Withering frond
Colier Lake (Centre Co)
by Maria Pavlova on 10/13/2014
Withering frond
