Hooded Ladies' -tresses

Spiranthes romanzoffiana

General Status Rank: 
Secure
ELCODE: 
PMORC2B0V0
Common Name: 
Hooded Ladies' -tresses
Scientific Name: 
Spiranthes romanzoffiana
Naming References: 
B115
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Taxonomy
Group: 
Vascular Plant
Kingdom: 
Plantae
Phylum: 
Magnoliophyta
Class: 
Monocotyledoneae
Order: 
Asparagales (Orchidales)
Family: 
Orchidaceae
References: 
B003
General Biology

Longevity

perennial
References: 
B003
Habitat
rich fens and wet meadows in lowlands
References: 
B003
H126
Distribution

Ecozones

Taiga Plains, Taiga Shield, Boreal Cordillera, Boreal Plains
References: 
B003

Distribution

0.31
Score: 
G
References: 
B003

Number of Occurrences

24 known (B003); DAO-42; CAN-14 Canadian Museum of Nature records=CAN; Agriculture Canada, Ottawa = DAO; some duplication of records likely exists.(H158)
Score: 
CE
References: 
B003
H158

Area of Occupancy

Presumed stable
Score: 
-
Population

Population Size

occasional to frequent
References: 
B003

Density

Occasional to frequent
Threats

Threats

Potential destruction of habitat- sites; strongly mycotrophic (FNA26 2002)
Score: 
B
References: 
B003
H126
DD24

Intrinsic Vulnerability

Forestry and seismic lines in some areas
Score: 
C
References: 
B003
H126
DD24
General Status Rank
Rank: 
Secure
Status Rank Description: 
Also S. lacera is present according to DD2; Regional distribution with medium number of occurrences and present in several ecozones.
S Rank: 
S3S4
Decision Process Description: 
Drafted by S. Carriere based on printed material according to key (see methods point 8. Reviewed by Erich Haber (July 2005) no change in status; Reviewed in 2010, no change.; Reviewed in 2015 by Marilyn Anions; no change
Last Updated: 
June 25, 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
  • Carrière, S. (2000) Pers. communication. Ecosystem Management Biologist; RWED - H126 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
  • Carrière, S. (2000) Pers. communication. Ecosystem Management Biologist; RWED - H126 Return
  • Flora of North America Editorial Committee (2002) 26 - DD24 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

  • Cody, William J. (1996) Flora of the Yukon Territory. National Research Council of Canada - Monograph Publishing Program - B115 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

Population Size

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

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

  • 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
  • Carrière, S. (2000) Pers. communication. Ecosystem Management Biologist; RWED - H126 Return
  • Flora of North America Editorial Committee (2002) 26 - DD24 Return