Field Horsetail

Equisetum arvense

General Status Rank: 
Secure
ELCODE: 
PPEQU01010
Common Name: 
Field Horsetail
Scientific Name: 
Equisetum arvense
Naming References: 
B003
W018
Google image search
Taxonomy
Group: 
Vascular Plant
Kingdom: 
Plantae
Phylum: 
Lycopodiophyta
Class: 
Equisetopsida
Order: 
Equisetales
Family: 
Equisetaceae
References: 
B003
General Biology

Longevity

perennial
References: 
B003
Habitat
arctic boreal species in not too dry habitats
References: 
B003
Distribution

Ecozones

Arctic Cordillera, Northern Arctic, Southern Arctic, Taiga Cordillera, Taiga Plains, Taiga Shield, Boreal Cordillera, Boreal Plains
References: 
B003
H150

Distribution

0.91
Score: 
G
References: 
B003

Number of Occurrences

18 (B003); CAN-96; DAO-144 Canadian Museum of Nature records=CAN; Agriculture Canada, Ottawa = DAO; some duplication of records likely exists (H150).
Score: 
CE
References: 
B003
H150

Area of Occupancy

Score: 
-
Threats

Threats

none known
Score: 
C
References: 
H126

Intrinsic Vulnerability

References: 
H126
General Status Rank
Rank: 
Secure
Status Rank Description: 
Widespread distribution and numerous occurrences over a broad range of ecozones (H150).
S Rank: 
S4S5
Decision Process Description: 
Drafted by S. Carriere using printed material only. ; Reviewed in 2010, no change. Agreed with by E. Haber in 2003 (H150).; Reviewed in 2015 by Marilyn Anions; no change
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
  • Erich Haber (2003) Personal Communication - e-mail to S. Carriere on 19/11/2003 on Subset 1 Vascular plants (Monocots except orchids). Carriere Office - e-mail archive (printed verision in GSR binders) - H150 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

Intrinsic Vulnerability

  • Carrière, S. (2000) Pers. communication. Ecosystem Management Biologist; RWED - H126 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

NWT Known Subspecies

Catling, P M, Cody, W J, Mitrow, G (2005) A compilation of additions to the flora of the continental portions of Northwest Territories and Nunavut. Unpublished report to National Program on Environmental Health, Agriculture and Agri-food Canada -----Original Message----- From: erich.haber /unix [mailto:erich.haber@rogers.com] Sent: April 8, 2005 11:17 To: Suzanne Carriere /YK /ENR; msetterington /unix Subject: Re: subset 3 NT & NU questions e-mail from E Haber 8/04/2005 print out in ref binder - R146 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 (2003) Personal Communication - e-mail to S. Carriere on 19/11/2003 on Subset 1 Vascular plants (Monocots except orchids). Carriere Office - e-mail archive (printed verision in GSR binders) - H150 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

Threats

  • Carrière, S. (2000) Pers. communication. Ecosystem Management Biologist; RWED - H126 Return