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Dryopteris intermedia

Dryopteris intermedia (Muhl. ex Willd.) A. Gray

Intermediate Woodfern, Evergreen Wood-fern, Fancy Wood Fern

Dryopteridaceae (Wood Fern Family)

USDA Symbol: DRIN5

Dryopteris intermedia (Intermediate woodfern) #39245

Image Information

Photographer: Cressler, Alan
County: Haywood
State: NC
Location Notes: Big Creek, Great Smoky Mountains National Park.
Accession date: 2014-07-18
Filename: A_C_IMG0223.JPG
Slide Index: 14405798090_81e2a5ac6a_o3.jpg
Restrictions: Unrestricted
Collection: Wildflower Center Digital Library
Original Format: Digital
Orientation: Landscape
Shot: Fronds removed from their plants and layed out on a rock for comparison. The two fronds on the right are this species. The two fronds in the center are Dryopteris ×separabilis (the hybrid progeny of the other two species) and the two fronds on the left are Dryopteris celsa. Sori are visible on the the fronds showing their abaxial surfaces. Photographer's note: "I learned of this hybrid location from Dr. Murray Evans (University of Tennessee). I first visited the site April 28, 1984. There was a single clump of the hybrid with both parents present. The Drypopteris celsa population is incredibly healthy. There were fronds up to a meter tall. We found the original hybrid cluster then found a second even larger population of the hybrid that wasn't there in 1984."
Date Taken: 2014-07-04
NPIN Image Id: 39245

Image Verification

This image has been verified.
By: Joseph A. Marcus
Date: 2014-10-22

From the Image Gallery

6 photo(s) available in the gallery

Additional resources

USDA: Find Dryopteris intermedia images in USDA Plants
Google: Search Google Images for Dryopteris intermedia