• Aerial view of the George Washington Memorial Parkway in the fall

    George Washington

    Memorial Parkway DC, MD, VA

Ferns

The woods, marshes and swamps of the George Washington Memorial Parkway (GWMP) provide habitat for 28 extant species of ferns and seven other vascular crytograms such as horsetails, quillworts and lycopoid clubmosses. Six additional species of ferns historically documented from GWMP are now belived to be extripated along with the spikemoss, Selaginella rupestris.

Did You Know?

Lock 1 of the Patowmack Canal

Great Falls Park is the northernmost site of the George Washington Memorial Parkway. One of the nation's first canals can be seen here. More...