Arctic Dwarf Birch

Betula nana (Betula nana ssp nana; Betula nana ssp

General Status Rank: 
Secure
ELCODE: 
PDBET02080
Common Name: 
Arctic Dwarf Birch
Scientific Name: 
Betula nana (Betula nana ssp nana; Betula nana ssp
Synonyms: 
Betula glandulosa var. sibirica
Betula nana ssp exilis
Betula nana ssp nana
Betula x eastwoodiae
Naming References: 
B003
Google image search
Taxonomy
Group: 
Vascular Plant
Kingdom: 
Plantae
Phylum: 
Magnoliophyta
Class: 
Dicotyledoneae
Order: 
Fagales
Family: 
Betulaceae
References: 
B003
General Biology

Economic/Human Considerations

Bark: tea
Habitat
acidic rocks or woodland muskeg or peat bogs
References: 
B003
Distribution

Ecozones

Northern Arctic, Southern Arctic, Taiga Cordillera, Taiga Plains, Taiga Shield, Boreal Cordillera, Boreal Plains
References: 
B003
W026

Distribution

0.89
Score: 
G
References: 
B003

Number of Occurrences

59(B003); DAO-135; CAN-82 Canadian Museum of Nature records=CAN; Agriculture Canada, Ottawa = DAO; some duplication of records likely exists (H155).
Score: 
D
References: 
B003
H155

Area of Occupancy

Score: 
-
Threats

Threats

Score: 
C

Intrinsic Vulnerability

Score: 
-
General Status Rank
Rank: 
Secure
Status Rank Description: 
Widespread distribution with large number of occurrences and present within most ecozones (H155). If species Betula nana and B. glandulosa are treated separately, both are Secure. But only on Baffin according to Aikenet al. (W026)
S Rank: 
S5
Decision Process Description: 
Drafted as secure by E. Haber in 2004 (H155).; Reviewed in 2010, no change.; Reviewed in 2015 by Marilyn Anions; no change
Last Updated: 
July 24, 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
  • Aiken, S.G., M.J. Dallwitz, L.L. Consaul, C.L. McJannet, L.J. Gillespie, R.L. Boles, G.W. Argus, J.M. Gillett, P.J. Scott, R. Elven, M.C. LeBlanc, A.K. Brysting and H. Solstad (1999) Flora of the Canadian Arctic Archipelago: Descriptions, Illustrations, Identification, and Information Retrieval. Version: 29th April 2003.. Retrieval. Version: 29th April 2003. http://www.mun.ca/biology/delta/arcticf/ - W026 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

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

NWT Known Subspecies

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
,
Flora of North America Editorial Committee (2004) Flora of North America - North of Mexico. Oxford University Press Online Version http://hua.huh.harvard.edu/cgi-bin/Flora/ - W019-2004 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 (2004) Personal Communication- email to B. Dunne on 10/26/2004 with dicot1.. Email archive - H155 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

  • 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