Listera convallarioides - (Sw.) Nutt. ex Ell.
Broad-lip Twayblade
Synonym(s): Neottia convallarioides (Swartz) Richard
Taxonomic Status: Accepted
Related ITIS Name(s): Listera convallarioides (Sw.) Nutt. ex Ell. (TSN 43633)
French Common Names: listère faux-muguet
Unique Identifier: ELEMENT_GLOBAL.2.129154
Element Code: PMORC1N050
Informal Taxonomy: Plants, Vascular - Flowering Plants - Orchid Family
 
Kingdom Phylum Class Order Family Genus
Plantae Anthophyta Monocotyledoneae Orchidales Orchidaceae Listera
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Concept Reference
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Concept Reference: Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
Concept Reference Code: B94KAR01HQUS
Name Used in Concept Reference: Listera convallarioides
Conservation Status
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NatureServe Status

Global Status: G5
Global Status Last Reviewed: 19May2015
Global Status Last Changed: 10Apr1985
Ranking Methodology Used: Ranked by inspection
Rounded Global Status: G5 - Secure
Reasons: Patchy distribution through much of North America, with thousands of occurrences.
Nation: United States
National Status: NNR
Nation: Canada
National Status: N5 (13Nov2017)

U.S. & Canada State/Province Status
Due to latency between updates made in state, provincial or other NatureServe Network databases and when they appear on NatureServe Explorer, for state or provincial information you may wish to contact the data steward in your jurisdiction to obtain the most current data. Please refer to our Distribution Data Sources to find contact information for your jurisdiction.
United States Alaska (S2), Arizona (S1), California (SNR), Colorado (S2), Idaho (SNR), Maine (SNR), Michigan (SNR), Minnesota (SH), Montana (S4), Nevada (SNR), New Hampshire (S2), New York (S1), North Carolina (SNR), Oregon (SNR), South Dakota (S1), Tennessee (SNR), Utah (SNR), Vermont (S3?), Washington (SNR), Wisconsin (S1), Wyoming (S2)
Canada Alberta (S2), British Columbia (S4), New Brunswick (S4), Newfoundland Island (S3S4), Nova Scotia (S4), Ontario (S4), Prince Edward Island (S2), Quebec (S3S4)

Other Statuses

NatureServe Global Conservation Status Factors

Range Extent Comments: In eastern North America, this ranges from Newfoundland to southern Quebec, southern Ontario, and northeastern Minnesota, south to the northern sections of Wisconsin, Michigan, New York, Vermont, and Maine. In western North America, this ranges from southern British Columbia south to the high elevations of California, Arizona, Neveda, Utah, and Colorado. It is disjunct to South Dakota and scattered locations in northern British Columbia and the Aleutians  (Flora of North America Editorial Committee 2002).

Area of Occupancy: 26-12,500 4-km2 grid cells
Area of Occupancy Comments:  

Number of Occurrences: > 300

Population Size Comments: Common.

Number of Occurrences with Good Viability/Integrity: Many to very many (41 to >125)

Other NatureServe Conservation Status Information

Distribution
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Global Range: In eastern North America, this ranges from Newfoundland to southern Quebec, southern Ontario, and northeastern Minnesota, south to the northern sections of Wisconsin, Michigan, New York, Vermont, and Maine. In western North America, this ranges from southern British Columbia south to the high elevations of California, Arizona, Neveda, Utah, and Colorado. It is disjunct to South Dakota and scattered locations in northern British Columbia and the Aleutians  (Flora of North America Editorial Committee 2002).

U.S. States and Canadian Provinces

Due to latency between updates made in state, provincial or other NatureServe Network databases and when they appear on NatureServe Explorer, for state or provincial information you may wish to contact the data steward in your jurisdiction to obtain the most current data. Please refer to our Distribution Data Sources to find contact information for your jurisdiction.
Color legend for Distribution Map

U.S. & Canada State/Province Distribution
United States AK, AZ, CA, CO, ID, ME, MI, MN, MT, NC, NH, NV, NY, OR, SD, TN, UT, VT, WA, WI, WY
Canada AB, BC, NB, NF, NS, ON, PE, QC

Range Map
No map available.


U.S. Distribution by County Help
State County Name (FIPS Code)
AK Ketchikan Gateway (02130)
AZ Coconino (04005), Pima (04019)
CO Boulder (08013), Custer (08027)*, Gilpin (08047), Grand (08049)*, Jackson (08057), Larimer (08069), Pitkin (08097), Rio Blanco (08103), Routt (08107)
MN Cook (27031)*
NH Carroll (33003)*, Coos (33007), Grafton (33009)
NY Essex (36031), Jefferson (36045)*, Lewis (36049)
SD Lawrence (46081)
WI Ashland (55003), Bayfield (55007), Iron (55051)*
WY Albany (56001), Converse (56009), Sheridan (56033), Teton (56039)
* Extirpated/possibly extirpated
U.S. Distribution by Watershed Help
Watershed Region Help Watershed Name (Watershed Code)
01 Upper Androscoggin (01040001)+, Lower Androscoggin (01040002)+, Saco (01060002)+, Upper Connecticut (01080101)+
02 Upper Hudson (02020001)+
04 Baptism-Brule (04010101)+*, Beartrap-Nemadji (04010301)+, Bad-Montreal (04010302)+*, Salmon-Sandy (04140102)+*, Oneida (04140202)+*, Black (04150101)+
10 Upper Tongue (10090101)+*, Clear (10090206)+, Middle Cheyenne-Elk (10120111)+, Lower Belle Fourche (10120202)+, Upper North Platte (10180002)+, Glendo Reservoir (10180008)+, Upper Laramie (10180010)+, Clear (10190004)+, St. Vrain (10190005)+, Big Thompson (10190006)+*, Cache La Poudre (10190007)+*
11 Arkansas Headwaters (11020001)+*
14 Colorado headwaters (14010001)+*, Roaring Fork (14010004)+, Upper Yampa (14050001)+, Lower Yampa (14050002)+, Little Snake (14050003)+
15 Middle Little Colorado (15020008)+, Lower San Pedro (15050203)+, Upper Santa Cruz (15050301)+, Rillito (15050302)+
17 Snake headwaters (17040101)+, Greys-Hobock (17040103)+, Teton (17040204)+*
19 Ketchikan (19010102)+
+ Natural heritage record(s) exist for this watershed
* Extirpated/possibly extirpated
Ecology & Life History
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General Description: Broad-lipped twayblade is a small, inconspicuous perennial orchid, 5-37 cm tall with two, opposite, elliptic to nearly round, green leaves that are perpendicular to the stem, and 2-7 cm long. The stem above the leaves is whitish glandular hairy with up to 20 flowers, which are yellowish-green, faintly tinged with purple. Small green sepals and petals bend back from the dominant lip that is about 1.5 cm long, narrow at the base and wide at the tip. Two shallow lobes at the tip make the lip resemble the folded wings of an insect. Sometimes there is a small tooth between the lobes. Fruit capsules are ellipsoid, 8x5 mm, glabrous. Reproduction by runners sometimes produces large colonies of plants (Flora of North America 2002, Culver and Lemly 2013, Ackerfield 2015).
Habitat Comments: Moist sites along steams and lake shores (B74WEL01AKUS).
Economic Attributes Not yet assessed
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Management Summary Not yet assessed
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Population/Occurrence Delineation Not yet assessed
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Population/Occurrence Viability
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U.S. Invasive Species Impact Rank (I-Rank) Not yet assessed
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Authors/Contributors
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NatureServe Conservation Status Factors Author: Weldy, Troy W.

Botanical data developed by NatureServe and its network of natural heritage programs (see Local Programs), The North Carolina Botanical Garden, and other contributors and cooperators (see Sources).

References
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