Trichomanes intricatum Farrar

Appalachian bristle fern

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New England Distribution

Adapted from BONAP data

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North America Distribution

Adapted from BONAP data

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Facts About

Appalachian bristle fern grows only on rocks in sheltered caves, pockets and crevices, and is very rare in New England. This is a highly unusual species in that sporophytes (the spore-bearing life stage) are unknown, and it exists only as moss-like mats of gametophytes that spread vegetatively to cover areas as large as a square meter (10 square feet).

Habitat

Cliffs, balds, or ledges, ridges or ledges

Characteristics

Habitat
terrestrial
New England state
  • Connecticut
  • Massachusetts
  • New Hampshire
  • Vermont
Show All Characteristics
  • Leaves
    Features of leaves
    there are no special features on the leaves
  • Place
    Habitat
    terrestrial
    New England state
    • Connecticut
    • Massachusetts
    • New Hampshire
    • Vermont
    Specific habitat
    • cliffs, balds, or ledges
    • ridges or ledges

Wetland Status

Not classified

New England Distribution and Conservation Status

Distribution

Connecticut
present
Maine
absent
Massachusetts
present
New Hampshire
present
Rhode Island
absent
Vermont
present

Conservation Status

Exact status definitions can vary from state to state. For details, please check with your state.

Connecticut
unrankable (S-rank: SU), special concern (code: SC)
Massachusetts
extremely rare (S-rank: S1), endangered (code: E)
New Hampshire
historical (S-rank: SH), endangered (code: E)
Vermont
extremely rare (S-rank: S1)

Native to North America?

Yes

Genus

Trichomanes

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Information from Dichotomous Key of Flora Novae Angliae

1.  Trichomanes intricatum Farrar NC

Appalachian bristle fern. CT, MA, NH, VT. Growing on basic and acidic rock in sheltered caves, pockets, and crevices.