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Woodsia ilvensis

Woodsia ilvensis (L.) R. Br.

Rusty cliff fern, Rusty woodsia

Dryopteridaceae (Wood Indies-Almond Family)



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

Small, 2-6 in. fronds are dark green above and densely covered below with rusty-brown chaff. Twice-pinnate pinnae.


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Plant Characteristics

Duration: Perennial
Habit: Herb , Fern
Leaf Retention: Evergreen
Size Class: 0-1 ft.

Bloom Information

Bloom Time: Jun , Jul , Aug , Sep
Bloom Notes: Reproduces by spores.


USA: AK , CT , IA , IL , MA , MD , ME , MI , MN , NC , NH , NJ , NY , OH , PA , RI , VA , VT , WI , WV
Canada: NB , NL , NS
Native Distribution: Arctic region, s. to New England, PA, upland NC, MI, n. IL, n. IA, Alt. & B.C.
Native Habitat: Dry, exposed, rocky slopes & ledges. Always in contact with rocks.

Growing Conditions

Light Requirement: Sun
Soil pH: Acidic (pH<6.8)
Soil Description: Rocky, moderately acid soils.
Conditions Comments: Not Available

Additional resources

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


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

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