Dryopteris intermedia (Evergreen wood fern)

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

Evergreen wood fern

Kingdom	Plantae	Plants, but not fungi, lichens, or algae
Subkingdom	Tracheobionta	Vascular plants—plants with a “circulatory system” for delivering water and nutrients
Division	Pteridophyta	Ferns
Class	Filicopsida	“Leptosporangiate” (has to do with how their spores form) ferns—includes most ferns
Order	Polypodiales	Polypod ferns
Family	Dryopteridaceae	Wood ferns (about 70% of the ferns)
Genus	Dryopteris	From Greek dryas, “oak,” and pteris, “fern,” in reference to the presence of some species of wood ferns in woodland areas populated with oaks
Species	intermedia	Intermediate, indicating an observation that a species was probably considered as being halfway or partway between two others with regard to some particular characteristic, e.g. tall, short, and “intermediate”

[An article has not been written yet.]

6/13/2021 · Cathance River Nature Preserve, Topsham, Maine
≈ 7 × 4½" (17 × 11 cm)

6/5/2015 · Big Bear Mountain, Brookline, New Hampshire
≈ 23 × 20" (57 × 51 cm)

9/14/2010 · Garden in the Woods, Framingham, Massachusetts
≈ 17 × 12" (44 × 29 cm)

10/7/2012 · Beaver Brook Assn Conservation Lands, Hollis, New Hampshire
≈ 5 × 3½" (13 × 9.2 cm)

8/16/2012 · Mt. Tom State Reservation, Dynamite Trail, Holyoke, Massachusetts
≈ 9 × 6" (23 × 15 cm)

11/13/2010 · Nashua River Rail Trail, Pepperell, Massachusetts
≈ 15 × 10" (39 × 26 cm)

6/18/2015 · Beaver Brook Conservation Area, Hollis, New Hampshire
≈ 6 × 9" (15 × 22 cm)

8/16/2012 · Mt. Tom State Reservation, Dynamite Trail, Holyoke, Massachusetts
≈ 9 × 6" (22 × 14 cm)

7/29/2023 · Garden in the Woods, Framingham, Massachusetts

Dryopteris austriaca (Jacq.) Woynar ex Schinz & Thell. var. intermedia (Muhl. ex Willd.) Morton

Dryopteris spinulosa (O.F. Müll.) Watt var. concordiana (Davenport) Eastman

Dryopteris spinulosa (O.F. Müll.) Watt var. intermedia (Muhl. ex Willd.) Underw.

Dryopteris intermedia description by Thomas H. Kent, last updated 11 Jul 2023.

6/13/2021 · Cathance River Nature Preserve, Topsham, Maine
≈ 4½ × 6" (11 × 15 cm)

10/7/2012 · Beaver Brook Assn Conservation Lands, Hollis, New Hampshire
≈ 9 × 6" (23 × 15 cm)

6/18/2015 · Beaver Brook Conservation Area, Hollis, New Hampshire
≈ 12 × 8" (31 × 21 cm)

10/7/2012 · Beaver Brook Assn Conservation Lands, Hollis, New Hampshire
≈ 7 × 6" (18 × 15 cm)

9/24/2013 · Squannacook River Wildlife Area, Townsend, Massachusetts
≈ 12 × 8" (31 × 21 cm)

8/16/2012 · Mt. Tom State Reservation, Dynamite Trail, Holyoke, Massachusetts
≈ 8 × 5" (19 × 13 cm)

9/14/2010 · Garden in the Woods, Framingham, Massachusetts
≈ 15 × 10" (39 × 26 cm)

7/13/2015 · Mt. Ascutney State Park, Ascutney, Vermont
≈ 11 × 7" (28 × 18 cm) ID is uncertain

7/13/2015 · Mt. Ascutney State Park, Ascutney, Vermont
≈ 7 × 10" (16 × 25 cm) ID is uncertain

10/16/2013 · Willard Brook State Park, Blue Trail, Ashby, Massachusetts
≈ 7 × 6" (18 × 16 cm)

Range: