Pteridium aquilinum (Bracken)

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Pteridium aquilinum (L.) Kuhn

Bracken, bracken 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	Dennstaedtiaceae	After August William Dennstedt (1776-1826), German physician and botanist, burgomaster of Magdala, director of the Belvedere garden near Weimar, and author of a work entitled Hortus Belvedereanus, a compilation of some 1500 plants. I have no information as to why the family name is spelled differently than his name
Genus	Pteridium	A diminutive of Pteris, a fern genus
Species	aquilinum

[An article has not been written yet.]

Pteridium aquilinum description by Thomas H. Kent, not updated.

8/8/2009 · Nashua River Rail Trail, Groton, Massachusetts · ≈ 1½ × 1′ (52 × 34 cm)

9/18/2009 · Acadia National Park, Bar Harbor, Maine · ≈ 4 × 2½′ (123 × 82 cm) ID is uncertain

9/14/2009 · Near Nashoba Hospital, Ayer, Massachusetts · ≈ 1½ × 1′ (52 × 34 cm) ID is uncertain

5/20/2012 · J. Harry Rich State Forest, Groton, Massachusetts · ≈ 14 × 9″ (35 × 23 cm)

I don't know the pathogen. · 8/16/2012 · Otter River State Forest, Nature Trail, Baldwinville, Massachusetts · ≈ 7 × 4½″ (17 × 11 cm)

5/21/2023 · Merrymeeting Fields Preserve, Woolwich, Maine

9/14/2009 · Near Nashoba Hospital, Ayer, Massachusetts · ≈ 1½ × 1′ (52 × 34 cm) ID is uncertain

5/21/2023 · Merrymeeting Fields Preserve, Woolwich, Maine

6/2/2014 · Big Bear Mountain, Brookline, Massachusetts · ≈ 12 × 8″ (31 × 21 cm)

Range: