The BioFiles - Bill Hubick

Hairy Brackenfern (Pteridium aquilinum pubescens)

Source: Wikipedia

Pteridium aquilinum var. pubescens
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Division: Polypodiophyta
Class: Polypodiopsida
Order: Polypodiales
Family: Dennstaedtiaceae
Genus: Pteridium
Species:
Variety:
P. a. var. pubescens
Trinomial name
Pteridium aquilinum var. pubescens
Underw.

Pteridium aquilinum var. pubescens, the hairy brackenfern, is a fern native ranging from Alaska to Mexico.[1][2][3]

Habitat

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This fern grows in meadows and woodlands across the northwest and is incredibly common across its range.[1][2]

This species is recognized under the USDA Plants Database and Kew as a valid taxon.[4][3]

Other names

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This species is also known as western bracken.[5]

Identification

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This species is identified by its small hairs on its stems and new growth, spores appearing hairy, as well as its lack of scales on the leaves.[6]

Notes

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This plant is a variety of Pteridium aquilinum, a predominately European species.

References

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  1. ^ a b Calscape. "Hairy Brackenfern". calscape.org. Retrieved 2024-08-11.
  2. ^ a b "Hairy brackenfern (Variety Pteridium aquilinum pubescens)". iNaturalist. Retrieved 2024-08-11.
  3. ^ a b "Pteridium pubescens (Underw.) Christenh. | Plants of the World Online | Kew Science". Plants of the World Online. Retrieved 2024-08-11.
  4. ^ "USDA Plants Database". plants.usda.gov. Retrieved 2024-08-11.
  5. ^ "Hairy bracken | fern | Britannica". www.britannica.com. Retrieved 2024-08-11.
  6. ^ "Pteridium in Flora of North America @ efloras.org". www.efloras.org. Retrieved 2024-08-11.