Straightleaf Pondweed

Potamogeton strictifolius

General Status Rank: 
Secure
ELCODE: 
PMPOT03110
Common Name: 
Straightleaf Pondweed
Scientific Name: 
Potamogeton strictifolius
Naming References: 
B003
W018
Google image search
Taxonomy
Group: 
Vascular Plant
Kingdom: 
Plantae
Phylum: 
Magnoliophyta
Class: 
Monocotyledoneae
Order: 
Alismatales (Najadales)
Family: 
Potamogetonaceae
References: 
B003
General Biology

Longevity

perennial
References: 
B003
Habitat
References: 
B003
Distribution

Ecozones

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

Distribution

0.17
Score: 
G
References: 
B003

Number of Occurrences

8 collection sites(B003); CAN-5; DAO-0 Canadian Museum of Nature records=CAN; Agriculture Canada, Ottawa = DAO; some duplication of records likely exists (H150).
Score: 
BD
References: 
B003
H150

Area of Occupancy

Score: 
-
Population

Population Size

Only 5 records could be found for this species at the Ottawa herbaria. This is a widespread species in temperate North America with the species at risk in a number of states and provinces. The NWT occurrences are mainly disjunct from the main range in Ontario and the Great Lakes (H150).
References: 
H150
Threats

Threats

Score: 
C

Intrinsic Vulnerability

Score: 
-
General Status Rank
Rank: 
Secure
Status Rank Description: 
Small regional distribution with only several occurrences but scattered within several ecozones (H150).Only 5 records could be found for this species at the Ottawa herbaria. This is a widespread species in temperate North America with the species at risk in a number of states and provinces. The NWT occurrences are mainly disjunct from the main range in Ontario and the Great Lakes (H150).
S Rank: 
S4S5
Decision Process Description: 
Drafted undetermined by S. Carriere based on printed information only. Modified to secure by E. Haber in 2003 (H150).; Reviewed in 2010, no change.
Last Updated: 
July 23, 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

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

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

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

Population Size

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