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Common Names in English:
Alpine Cliff Fern, Alpine Woodsia, Northern Woodsia, Woodsie Alpine
Common Names in French:
Common Names in unspecified:
Species Woodsia alpina
, with cluster
of ± equal length
uniformly brown, lanceolate.
Leaves 2.5--20 × 0.5--2.5 cm. Petiole reddish brown or dark
purple when mature
above base at swollen node, relatively
brittle and easily shattered. Blade
to narrowly lanceolate,
usually pinnate-pinnatifid proximally, lacking glands
, never viscid
rachis with widely scattered
and scales. Pinnae ovate-lanceolate
to deltate, longer
than wide, abruptly tapered to a rounded
acute apex; largest pinnae with 1--3 pairs of pinnules
with isolated hairs and linear scales
Pinnules entire or broadly crenate
nonlustrous, thin, with
occasional isolated cilia, lacking translucent
often enlarged to form whitish hydathodes visible adaxially.
Indusia of narrow, hairlike segments, these uniseriate
composed of cells
many times longer than wide, usually surpassing
mature sporangia. Spores averaging 46--53 µm. Sporulating summer--early
Isozyme studies confirm the longstanding hypothesis that Woodsia alpina is an allotetraploid derived from hybridization between W. glabella and W. ilvensis (see reticulogram). Considerable disagreement exists concerning the chromosome number of W. alpina, but 2 n = 160 seems most likely, given the numbers reported for the two parental species. Hybrids between W. alpina and W. ilvensis have been reported from both Europe and North America. These morphologically intermediate triploids with malformed spores have been called W. × gracilis (Lawson) Butters. [source]
Flowers: Bloom Period: n/a • Flower Color: inconspicuous, none
Size: under 6" tall.
Crevices and ledges on cliffs (occasionally on rocky slopes ); mostly slaty and calcareous rocks; 0--1500 m .
Typically found at an altitude of 0 to 1,422 meters (0 to 4,665 feet).
Culture: Space 12-15" apart.
Soil: Minimum pH: 5.1 • Maximum pH: 7.8
Sunlight: Sun Exposure: Sun to Partial Shade.
Temperature: Cold Hardiness: 2a, 2b, 3a, 3b, 4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b. (map)
- Whittaker & Margulis,1978
- Haeckel, 1866
- Cavalier-Smith, 1981
- Sinnott, 1935 ex Cavalier-Smith, 1998
- Vascular Plants
- Infraphylum: Moniliformopses () - Kenrick & Crane, 1997, Nom. Nud.
- Subphylum: Euphyllophytina ()
- Phylum: Tracheophyta () - Sinnott, 1935 ex Cavalier-Smith, 1998 - Vascular Plants
- Subkingdom: Viridaeplantae () - Cavalier-Smith, 1981
- Kingdom: Plantae () - Haeckel, 1866 - Plants
Acrostichum alpinum Bolton • Plate 42. 1790 • W. bellii (Lawson) Porsild • W. hyperborea (Liljeblad) R. Brown • W. ilvensis (Linnaeus) R. Brown Var. alpina (Bolton) Watt • Woodsia alpina var. bellii Lawson • Woodsia glabella var. bellii (Lawson) Lawson
Status: Accepted Name
Last scrutiny: 15-Mar-2000
Members of the genus Woodsia
ZipcodeZoo has pages for 28 species, subspecies, varieties, forms, and cultivars in this genus:
W. alpina (Alpine Cliff Fern) · W. appalachiana (Appalachian Cliff Fern) · W. cochisensis (Cochise Cliff Fern) · W. glabella (Smooth Cliff Fern) · W. gracilis (Woodsia) · (Kansas Woodsia) · W. mexicana (Mexican Cliff Fern) · W. neomexicana (New Mexico Cliff Fern) · W. obtusa (Blunt-Lobe Woodsia) · W. obtusa obtusa (Blunt-Lobe Woodsia) · W. obtusa occidentalis (Western Cliff Fern) · W. obtusa subsp. occidentalis (Western Cliff Fern) · W. oregana (Oregon Cliff Fern) · W. oregana cathcartiana (Oregon Cliff Fern) · W. oregana oregana (Oregon Cliff Fern) · W. oregana subsp. cathcartiana (Oregon Cliff Fern) · W. phillipsii (Phillips' Cliff Fern) · W. plummerae (Plummer Woodsia) · W. scopulina (Rocky Mountain Cliff Fern) · W. scopulina laurentiana (Rocky Mountain Cliff Fern) · W. scopulina scopulina (Rocky Mountain Cliff Fern) · W. scopulina subsp. laurentiana (Laurent's Cliff Fern) · W. subcordata (Subcordate Woodsia) · W. × abbeae (Hybrid (Sterile Triploid)) · W. × gracilis (Woodsia) · W. × kansana (Hybrid) · W. × maxonii (Maxon's Woodsia) · W. × tryonis (Tryon's Woodsia)
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Accessed through GBIF Data Portal February 01, 2008:
- Bundesamt für Naturschutz / Zentralstelle für Phytodiversität Deutschland, Bundesamt fuer Naturschutz / Zentralstelle fuer Phytodiversitaet Deutschland
- Canadian Museum of Nature, Canadian Museum of Nature Herbarium
- European Environment Agency, EUNIS
- GBIF-Spain, Aranzadi Zientzi Elkartea
- GBIF-Spain, Real Jardin Botanico
- , Vascular Plant Herbarium
- GBIF-Spain, Univ. Herbarium SALAMANCA: SALA
- Natural History Museum, University of Oslo, Vascular Plant Herbarium, Oslo
- Natural History Museum, University of Oslo, Vascular Plants, Field notes, Oslo
- The Swedish Museum of Natural History
- , Botany
- The Swedish Museum of Natural History
- , Herbarium of Oskarshamn
- The Swedish Museum of Natural History
- , Plants
- Tiroler Landesmuseum Ferdinandeum, Tiroler Landesmuseum Ferdinandeum
- UK National Biodiversity Network, Botanical Society of the British Isles - Vascular Plants Database
- USDA PLANTS, USDA PLANTS Database
- University Museums of Norway
- , University Museums of Norway
- University of Alaska Museum of the North, University of Alaska Museum of the North Herbarium
- Biodiversity Heritage Library NamebankID: 2644823
- Catalogue of Life Accepted Name Code: ITS-17738
- Global Biodiversity Information Facility Taxonkey: 4490920
- Integrated Taxonomic Information System (ITIS) Taxonomic Serial Number (TSN): 17738
- International Plant Names Index (IPNI) ID: 17234650
- Natural Heritage Network Species Identifier: PPDRY0U010
- U.S.D.A. Plant Symbol: WOGLB
- Zipcode Zoo Species Identifier: 67104