Polystichum braunii (Braun’s holly fern)

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Polystichum braunii (Spenner) Fée

Braun’s holly fern

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Polystichum braunii (Spenner) Fée var. purshii Fernald
Polystichum braunii (Spenner) Fée ssp. purshii (Fernald) Calder & Roy L. Taylor

5/15/2010 · Garden in the Woods, Framingham, Massachusetts

4/30/2013 · Acton Arboretum, Acton, Massachusetts · ≈ 11 × 13″ (28 × 32 cm)

5/22/2010 · Garden in the Woods, Framingham, Massachusetts

5/22/2010 · Garden in the Woods, Framingham, Massachusetts · ≈ 5 × 7½′ (1.6 × 2.3 m)

Kingdom	Plantae	Plants, but not fungi, lichens, or algae (from Stearn's Botanical Latin)
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	Polystichum	From the Greek polys, “many,” and stichos, “row,” referring to the rows of sori on the type species
Species	braunii	After Professor of botany Alexander Karl Heinrich Braun (1805-1877)

Range:

Polystichum braunii description by Thomas H. Kent, not updated.