Eastern Marsh Fern Thelypteris palustris Schott var. pubescens (Lawson) Fernald  Synonyms: Dryopteris thelypteris,  Thelypteris palustris ver. haleana,  Thelypteris thelypteris.

Status:

All of the Eastern Marsh Fern in Maryland belong to the variety Thelypteris palustris var. pubescens (Knapp & Naczi, 2014).

There are 83 records in the project database.

View species at Maryland Plant Atlas

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The sori of an Eastern Marsh Fern in Queen Anne's Co., Maryland (9/16/2012). Note how the margins of the pinnae curve over the sori. This is a good identification mark. Photo by Jim Brighton. (MBP list)

Eastern Marsh Fern in Anne Arundel Co., Maryland (4/10/2012). Photo by Bill Harms. (MBP list)

Eastern Marsh Fern growing in Kent Co., Maryland (9/14/2014). Photo by Nancy Martin. (MBP list)

Eastern Marsh Fern growing in Kent Co., Maryland (9/14/2014). Photo by Nancy Martin. (MBP list)

Eastern Marsh Fern at Eastern Neck NWR in Kent Co., Maryland (5/29/2016). Photo by Walter Ellison. (MBP list)

Eastern Marsh Fern in Anne Arundel Co., Maryland (5/17/2011). Photo by Bill Harms. (MBP list)

Eastern Marsh Fern in St. Mary's Co., Maryland (8/9/2014). Photo by Jim Stasz. (MBP list)

Eastern Marsh Fern in Dorchester Co., Maryland (10/22/2017). Photo by Wayne Longbottom. (MBP list)

Eastern Marsh Fern in Dorchester Co., Maryland (11/11/2012). Photo by Bill Hubick. (MBP list)

Eastern Marsh Fern in Cecil Co., Maryland (6/25/2014). Photo by Jim Stasz. (MBP list)

Eastern Marsh Fern in Baltimore Co., Maryland (8/19/2016). Photo by Dwight Johnson. (MBP list)


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