Aspidotis densa |
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aspidote touffue, dense lace fern, Indian's-dream, lace fern, Oregon cliff brake, podfern |
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Leaves | monomorphic or often somewhat dimorphic, 8–25 cm; fertile leaves more erect than sterile leaves, long-petioled, petioles often 2–5 times longer than blades, fertile blades with more ascending pinnae and narrower segments than sterile blades. |
Blade | 3–4-pinnate, 2–10 cm, somewhat leathery. |
Ultimate segments | linear, 3–8 mm; midrib prominent abaxially. |
Sori | of mature blades continuous along length of segments except at apex; indusia linear, margins with 10–35, shallow, regular teeth or erose. |
2n | = 60. |
Aspidotis densa |
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Habitat | Slopes, crevices, rocky outcrops, often on serpentine, sometimes in chaparral |
Elevation | 300–3400 m (1000–11200 ft) |
Distribution |
CA; ID; MT; NV; OR; UT; WA; WY; BC; QC
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Source | FNA vol. 2. |
Parent taxa | Pteridaceae > Aspidotis |
Sibling taxa | |
Synonyms | Onychium densum, Cheilanthes siliquosa, Pellaea densa |
Name authority | (Brackenridge in Wilkes) Lellinger: Amer. Fern J. 58: 141. (1968) |
Web links |
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