Alpine Cliff-fern (Northern Woodsia)

Woodsia alpina

General Status Rank: 
Secure
ELCODE: 
PPDRY0U010
Common Name: 
Alpine Cliff-fern (Northern Woodsia)
Scientific Name: 
Woodsia alpina
Naming References: 
B003
W018
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Taxonomy
Group: 
Vascular Plant
Kingdom: 
Plantae
Phylum: 
Pteridophyta
Class: 
Polypodiopsida
Order: 
Polypodiales
Family: 
Woodsiaceae
References: 
DD2
General Biology

Longevity

perennial
References: 
B003
Habitat
perhaps always on calcareous or non-acid rock, in rock crevices and rock screes
References: 
B003
Distribution

Ecozones

Arctic Cordillera, Northern Arctic, Southern Arctic, Taiga Cordillera, Taiga Plains
References: 
B003

Distribution

0.11
Score: 
F
References: 
B003

Number of Occurrences

4 known; but considered widespread (B003); DAO-2; CAN-3 DAO records:Ya Ya Lake, Scotter July 1966 (69 10N, 134 38W); Pethei Peninsula, Great Slave Lake, Cody Aug 1966 (62 28N, 111 37W). CAN records: Caribou Hills, Porsild, Aug 1947; Eastern slope of Richardson Mts., west of Mackenzie River delta. Elev. 2000 ft., Porsild, Aug 1933; Above Great Slave Lake & Old Stope Hotel, Old Yellowknife, Rossbach, June 1965 (62 27N, 114 22W).Canadian Museum of Nature records=CAN; Agriculture Canada, Ottawa = DAO; some duplication of records likely exists. (h158)
Score: 
C
References: 
B003
H158

Historical Distribution

circumpolar (wide ranging), arctic alpine
References: 
B003

Area of Occupancy

Score: 
-
Population

Density

widespread but local
Threats

Threats

Score: 
C
References: 
B003
B036

Intrinsic Vulnerability

some habitat restrictions (calcareous or non-acid rock)
Score: 
BC
References: 
B003
B036
General Status Rank
Rank: 
Secure
Status Rank Description: 
Small distribution but in 5 regions, some habitat restrictions (calcareous or non-acid rock)
S Rank: 
S4
Decision Process Description: 
Drafted by S. Carriere based on printed material according to key (see methods point 8.1 Reviewed by Erich Haber (July 2005) modified from undetermined to sensitive due to more information and expert opinion.; Reviewed in 2010, no change. Reviewed in 2015 by Marilyn Anions Modified from sensitive to secure based on more information (more ecozones).
Last Updated: 
July 22, 2015

References

Ecozones

  • Porsild AE, and Cody WJ (1980) Vascular Plants of Continental Northwest Territories, Canada. National Museums of Canada RWED Library Call #QK203.N7P6http://ia601004.us.archive.org/22/items/vascularplantsof00pors/vascularplantsof00pors.pdf - B003 Return

Habitat

  • Porsild AE, and Cody WJ (1980) Vascular Plants of Continental Northwest Territories, Canada. National Museums of Canada RWED Library Call #QK203.N7P6http://ia601004.us.archive.org/22/items/vascularplantsof00pors/vascularplantsof00pors.pdf - B003 Return

Historical Distribution

  • Porsild AE, and Cody WJ (1980) Vascular Plants of Continental Northwest Territories, Canada. National Museums of Canada RWED Library Call #QK203.N7P6http://ia601004.us.archive.org/22/items/vascularplantsof00pors/vascularplantsof00pors.pdf - B003 Return

Intrinsic Vulnerability

  • Porsild AE, and Cody WJ (1980) Vascular Plants of Continental Northwest Territories, Canada. National Museums of Canada RWED Library Call #QK203.N7P6http://ia601004.us.archive.org/22/items/vascularplantsof00pors/vascularplantsof00pors.pdf - B003 Return
  • McJannet CL, Argus GW and Cody WJ (1995) Rare Vascular Plants in the Northwest Territories. Canadian Museum of Nature Syllogeus 73:1-104. RWED Library Call #QK86.C3M3 - B036 Return

Longevity

  • Porsild AE, and Cody WJ (1980) Vascular Plants of Continental Northwest Territories, Canada. National Museums of Canada RWED Library Call #QK203.N7P6http://ia601004.us.archive.org/22/items/vascularplantsof00pors/vascularplantsof00pors.pdf - B003 Return

Naming

  • Porsild AE, and Cody WJ (1980) Vascular Plants of Continental Northwest Territories, Canada. National Museums of Canada RWED Library Call #QK203.N7P6http://ia601004.us.archive.org/22/items/vascularplantsof00pors/vascularplantsof00pors.pdf - B003 Return
  • NatureServe: An online encyclopedia of life [web application]. (2001) Version 1.4 . Arlington, Virginia, USA: Association for Biodiversity Information.. Available: http://www.natureserve.org/. (Accessed: June 29, 2001 - W018 Return

Number of Occurrences

  • Porsild AE, and Cody WJ (1980) Vascular Plants of Continental Northwest Territories, Canada. National Museums of Canada RWED Library Call #QK203.N7P6http://ia601004.us.archive.org/22/items/vascularplantsof00pors/vascularplantsof00pors.pdf - B003 Return
  • Erich Haber (2005) Personal Communication - email to S Carriere 12 July 2005. Copy in electronic files (S Carriere) - H158 Return

Range Extent

  • Porsild AE, and Cody WJ (1980) Vascular Plants of Continental Northwest Territories, Canada. National Museums of Canada RWED Library Call #QK203.N7P6http://ia601004.us.archive.org/22/items/vascularplantsof00pors/vascularplantsof00pors.pdf - B003 Return

Taxonomy

  • Kartesz, J. T. (1999) Synthesis of the North American Flora. North Carolina Botanical Garden North Carolina Botanical Garden, University of North Carolina Version 1.0 RWED Office, Yellowknife; Order from http://ucjeps.berkeley.edu/meacham/synthesis - DD2 Return

Threats

  • Porsild AE, and Cody WJ (1980) Vascular Plants of Continental Northwest Territories, Canada. National Museums of Canada RWED Library Call #QK203.N7P6http://ia601004.us.archive.org/22/items/vascularplantsof00pors/vascularplantsof00pors.pdf - B003 Return
  • McJannet CL, Argus GW and Cody WJ (1995) Rare Vascular Plants in the Northwest Territories. Canadian Museum of Nature Syllogeus 73:1-104. RWED Library Call #QK86.C3M3 - B036 Return