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Marsh fern
Thelypteris palustris var. pubescens
Thelypteridaceae
 

Copyright by: George D. Gann
In habitat on Long Pine Key, Everglades National Park, Miami-Dade County

General Landscape Uses: Primarily recommended for natural landscapes and habitat restorations. Also along the margins of ponds and lakes.

Availability: Grown by enthusiasts.

Description: Medium herbaceous fern.

Dimensions: Typically 1-2 feet in height. Spreads from underground stems and forms small patches.

Growth Rate: Moderate.

Range: Widespread in eastern and central North America south to Miami-Dade County and the Monroe County mainland; Bermuda and Cuba.

Map of select IRC data from peninsular Florida.

Habitats: Wet hammocks and marshes.

Soils: Seasonally wet to moist, moderately well-drained to poorly drained organic soils.

Nutritional Requirements: Moderate; can grow in nutrient poor soils, but needs some organic content to thrive.

Salt Water Tolerance: Low; does not tolerate flooding by salt or brackish water.

Salt Wind Tolerance: Moderate; grows near salt water, but is protected from direct salt spray by other vegetation.

Drought Tolerance: Low; requires moist to wet soils and is intolerant of long periods of drought.

Light Requirements: Light shade to moderate shade.

Flower Color: N/A.

Flower Characteristics: There are no flowers; the plants reproduce by spores.

Flowering Season: Summer-fall.

Fruit: Inconspicuous spores.

Horticultural Notes: Can be grown from spores with difficulty, and division.


Copyright by: George D. Gann
In habitat on Long Pine Key, Everglades National Park, Miami-Dade County

Copyright by: Mike Rosenthal
In habitat in Saratoga County, New York

Copyright by: George D. Gann
In habitat on Long Pine Key, Everglades National Park, Miami-Dade County


Other data on Thelypteris palustris var. pubescens available from:



 
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