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Fern Walk Along the Gunpowder River - with Dwight Johnson

Learn to identify some common and less common ferns along the Gunpowder River just north of Perry Hall.  We should see close to 20 species.  We'll explore three different areas that are located along two paths that are about one mile each.  Both paths are flat, with easy walking and only a few small stream crossings.  It could be muddy after a rain.

This walk is jointly sponsored with the Maryland Native Plant Society.


Dwight Johnson is the go-to person for ferns in Maryland.  Visit his 'Key to the Ferns of Maryland' at the Maryland Native Plant Society website (

Directions: We will meet at the large parking lot on the east side of US Rt. 1 (Belair Rd) at the Gunpowder River 5.4 miles north of Interstate 695 (Baltimore Beltway) Exit 32.

Contact:  Dwight Johnson 551-[masked] or dwightmjohnson at

Bring: Lunch, water, field guides and hand lenses if you have them. 'Key to the Ferns of Maryland' is on the MNPS website,

Cost: none

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