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Marsh Fern

Thelypteris palustris

Habitat: Fields and wet areas in swamps or along the banks of streams

Features: Medium sized and fragile looking; lowest leaflets are parallel to the ground and perpendicular to the stalk; grows in a scattered pattern from the ground; rounded pinnules;

Height: 1-2.5 ft. (30-75 cm.)

Axis: Faint green

Stalk: Black at base and longer than the leaf

Sachar Woods, Brandeis University, MA October 2002