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Aspidotis densa

Aspidotis densa (Brack.) Lellinger

Cliff Brake, Indian's Dream, Rock Brake

Pteridaceae (Maidenhair Fern Family)

Synonym(s): Cheilanthes siliquosa, Cryptogramma densa, Onychium densum, Pellaea densa

USDA Symbol: ASDE6

USDA Native Status: L48 (N), CAN (N)

A low, densely tufted fern, 4-6 in. high, with fronds broadly triangular in outline. Each evergreen frond is dissected into many shiny, dark-green, linear leaflets.


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Plant Characteristics

Duration: Perennial
Habit: Herb , Fern
Leaf Retention: Evergreen
Size Class: 12-36 ft.

Bloom Information

Bloom Color: Not Applicable
Bloom Notes: Not a flowering plant. Reproduces by spores.


USA: CA , ID , MT , NV , OR , UT , WA , WY
Canada: BC
Native Distribution: S. B.C. to mts. of San Luis Obispo & Kern Cos., CA, inland to n.w. MT; disjunct in the Wasatch Mts. of UT, in s. Ont., and in the Gaspe region of Que.
Native Habitat: Stony, serpentine cliff crevices and slopes

Growing Conditions

Water Use: Medium
Light Requirement: Part Shade
Soil Moisture: Moist
Soil Description: Cool, well-drained soils.
Conditions Comments: On the wet side of the mountains, this fern needs the protection of a rock overhang. The crown must be protected from winter sogginess.


Description: Divide mature clumps.
Seed Collection: Not Available
Seed Treatment: Not Available
Commercially Avail: yes

Additional resources

USDA: Find Aspidotis densa in USDA Plants
FNA: Find Aspidotis densa in the Flora of North America (if available)
Google: Search Google for Aspidotis densa


Record Modified: 2007-01-01
Research By: TWC Staff

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