Juncus filiformis - L.
Thread Rush
Other Common Names: thread rush
Taxonomic Status: Accepted
Related ITIS Name(s): Juncus filiformis L. (TSN 39240)
French Common Names: jonc filiforme
Unique Identifier: ELEMENT_GLOBAL.2.140874
Element Code: PMJUN01150
Informal Taxonomy: Plants, Vascular - Flowering Plants - Rush Family
 
Kingdom Phylum Class Order Family Genus
Plantae Anthophyta Monocotyledoneae Juncales Juncaceae Juncus
Check this box to expand all report sections:
Concept Reference
Help
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: Juncus filiformis
Conservation Status
Help

NatureServe Status

Global Status: G5
Global Status Last Reviewed: 16May2016
Global Status Last Changed: 06Jun1984
Ranking Methodology Used: Ranked by inspection
Rounded Global Status: G5 - Secure
Nation: United States
National Status: NNR
Nation: Canada
National Status: N5 (01Feb2013)

U.S. & Canada State/Province Status
United States Alaska (SNR), Colorado (S2?), Idaho (SNR), Maine (SNR), Massachusetts (S1), Michigan (SNR), Minnesota (SNR), Montana (SNR), Nebraska (SNR), New Hampshire (SNR), New Mexico (SNR), New York (S5), Oregon (SNR), Pennsylvania (S3), Utah (S2S3), Vermont (SNR), Washington (SNR), West Virginia (S2), Wisconsin (SNR), Wyoming (S2)
Canada Alberta (S3), British Columbia (S4), Labrador (S4S5), Manitoba (S5?), New Brunswick (S5), Newfoundland Island (S5), Northwest Territories (SNR), Nova Scotia (S5), Nunavut (S3), Ontario (S4S5), Prince Edward Island (S2S3), Quebec (S5), Saskatchewan (S5?), Yukon Territory (S4)

Other Statuses

NatureServe Global Conservation Status Factors

Overall Threat Impact Comments: The loss of wetlands threatens this species (Southern Appalachian Species Viability Project 2002).

Other NatureServe Conservation Status Information

Distribution
Help
U.S. States and Canadian Provinces
Color legend for Distribution Map

U.S. & Canada State/Province Distribution
United States AK, CO, ID, MA, ME, MI, MN, MT, NE, NH, NM, NY, OR, PA, UT, VT, WA, WI, WV, WY
Canada AB, BC, LB, MB, NB, NF, NS, NT, NU, ON, PE, QC, SK, YT

Range Map
No map available.


U.S. Distribution by County Help
State County Name (FIPS Code)
MA Berkshire (25003), Essex (25009)*, Hampshire (25015)*, Worcester (25027)
PA Carbon (42025), Lackawanna (42069), Lehigh (42077)*, Luzerne (42079), McKean (42083), Monroe (42089), Montgomery (42091)*, Northampton (42095)*, Schuylkill (42107)*, Warren (42123), Wayne (42127)*
WV Pleasants (54073), Randolph (54083), Tucker (54093)
WY Carbon (56007), Park (56029), Teton (56039)
* Extirpated/possibly extirpated
U.S. Distribution by Watershed Help
Watershed Region Help Watershed Name (Watershed Code)
01 Deerfield (01080203)+, Chicopee (01080204)+, Westfield (01080206)+, Farmington (01080207)+, Housatonic (01100005)+
02 Hudson-Hoosic (02020003)+*, Upper Delaware (02040101)+*, Middle Delaware-Mongaup-Brodhead (02040104)+, Lehigh (02040106)+, Lower Delaware (02040202)+*, Schuylkill (02040203)+*, Upper Susquehanna-Lackawanna (02050107)+*
05 Upper Allegheny (05010001)+, Tygart Valley (05020001)+*, Cheat (05020004)+, Little Muskingum-Middle Island (05030201)+
10 Madison (10020007)+, Yellowstone Headwaters (10070001)+, Clarks Fork Yellowstone (10070006)+, Upper North Platte (10180002)+
17 Snake headwaters (17040101)+, Lower Henrys (17040203)+, Teton (17040204)+
+ Natural heritage record(s) exist for this watershed
* Extirpated/possibly extirpated
Ecology & Life History Not yet assessed
Help
Economic Attributes Not yet assessed
Help
Management Summary Not yet assessed
Help
Population/Occurrence Delineation Not yet assessed
Help
Population/Occurrence Viability
Help
U.S. Invasive Species Impact Rank (I-Rank) Not yet assessed
Help
Authors/Contributors
Help

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
Help
  • Brooks, R. E. and S. E. Clemants. 2000. Juncus. Pages 211-255 in Flora of North America Editorial Committee, editor. Flora of North America North of Mexico. Vol. 22 Magnoliophyta: Alismatidae, Arecidae, Commelinidae (in part), and Zingiberidae. Oxford University Press, New York, NY.

  • Cronquist, A., A. H. Holmgren, N. H. Holmgren, J. L. Reveal, and P. K. Holmgren. 1977. Intermountain Flora; Vascular Plants of the Intermountain West, U.S.A. Volume 6: The Monocotyledons. Columbia University Press, New York, NY.

  • Dorn, R. D. 1977. Manual of the Vascular Plants of Wyoming. 2 volumes. Garland Publishing, Inc., New York, NY.

  • Dorn, R. D. 1988. Vascular Plants of Wyoming. Mountain West Publishing, Cheyenne, WY.

  • Dorn, R. D. 1992. Vascular Plants of Wyoming, second edition. Mountain West Publishing, Cheyenne, WY.

  • Dorn, R. D. 2001. Vascular Plants of Wyoming, third edition. Mountain West Publishing, Cheyenne, WY.

  • Evert, E. F. 2010. Vascular Plants of the Greater Yellowstone Area: Annotated Catalog and Atlas. Park Ridge, IL.

  • Fertig, W. 2000. State Species Abstract: Juncus filiformis. Wyoming Natural Diversity Database. Available on the internet at www.uwyo.edu/wyndd.

  • Hitchcock, C. L., A. Cronquist and M. Ownbey. 1969. Vascular Plants of the Pacific Northwest, Part 1: Vascular Cryptograms, Gymnosperms and Monocotyledons. University of Washington Press, Seattle, WA.

  • Hulten, E. 1968. Flora of Alaska and Neighboring Territories. Stanford University Press. Palo Alto, CA. 1008 pp.

  • Hurd, E. G., S. Goodrich, and N. L. Shaw. 1997. Field Guide to Intermountain Rushes. USDA Forest Service, Intermountain Research Station, UT.

  • Jankovsky-Jones, M., G. Jones, and W. Fertig. 1995. Ecological evaluation for the potential East Fork Encampment River Research Natural Area within the Medicine Bow National Forest, Carbon County, Wyoming. Unpublished report prepared for the Medicine Bow National Forest by the Wyoming Natural Diversity Database, Laramie, WY.

  • 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.

  • Kesonie, D. T. 2009. A floristic inventory of Grand Teton National Park and the Pinyon Peak Highlands, Wyoming. Masters Thesis. Department of Botany, University of Wyoming, Laramie, WY.

  • Kesonie, D. T. and R. L. Hartman. 2011. A floristic inventory of Grand Teton National Park, Pinyon Peak Highlands, and Vicinity, Wyoming, U.S.A. Journal of the Botanical Research Institute of Texas 5:357-388.

  • Lemly, J. M and D.J. Cooper. 2011. Multiscale factors control community and species distribution in mountain peatlands. Botany 89: 689-713.

  • Lemly, J.M. 2007. Fens of Yellowstone National Park, USA: Regional and Local Controls over Plant Species Distribution. Masters Thesis, Colorado State University. Fort Collins, CO.

  • Markow, S. 1994. A floristic survey of the Targhee National Forest and vicinity, east-central Idaho and west-central Wyoming. Masters Thesis. Department of Botany, University of Wyoming, Laramie, WY.

  • Markow, S. and W. Fertig. 1993. Report on a general floristic survey of vascular plants of Targhee National Forest and vicinity. Unpublished report prepared for Targhee National Forest by the Rocky Mountain Herbarium and the Wyoming Natural Diversity Database, Laramie, WY.

  • Meades, S.J. & Hay, S.G; Brouillet, L. 2000. Annotated Checklist of Vascular Plants of Newfoundland and Labrador. Memorial University Botanical Gardens, St John's NF. 237pp.

  • Porsild, A.E. and W.J. Cody. 1980. Vascular Plants of Continental Northwest Territories, Canada. National Museums of Canada, Ottawa.

  • Porter, C.L. 1965. A Flora of Wyoming: Part IV. Bulletin 434:1-88. Agricultural Experiment Station, University of Wyoming.

  • Southern Appalachian Species Viability Project. 2002. A partnership between the U.S. Forest Service-Region 8, Natural Heritage Programs in the Southeast, NatureServe, and independent scientists to develop and review data on 1300+ regionally and locally rare species in the Southern Appalachian and Alabama region. Database (Access 97) provided to the U.S. Forest Service by NatureServe, Durham, North Carolina.

  • von Ahlefeldt, J. 1993. Medicine Bow National Forest Sensitive plant species (Region 2 list) and species of special concern (Nature Conservancy). Unpublished report prepared by Medicine Bow National Forest. 35 pp.

Use Guidelines & Citation

Use Guidelines and Citation

The Small Print: Trademark, Copyright, Citation Guidelines, Restrictions on Use, and Information Disclaimer.

Note: All species and ecological community data presented in NatureServe Explorer at http://explorer.natureserve.org were updated to be current with NatureServe's central databases as of November 2016.
Note: This report was printed on

Trademark Notice: "NatureServe", NatureServe Explorer, The NatureServe logo, and all other names of NatureServe programs referenced herein are trademarks of NatureServe. Any other product or company names mentioned herein are the trademarks of their respective owners.

Copyright Notice: Copyright © 2017 NatureServe, 4600 N. Fairfax Dr., 7th Floor, Arlington Virginia 22203, U.S.A. All Rights Reserved. Each document delivered from this server or web site may contain other proprietary notices and copyright information relating to that document. The following citation should be used in any published materials which reference the web site.

Citation for data on website including State Distribution, Watershed, and Reptile Range maps:
NatureServe. 2017. NatureServe Explorer: An online encyclopedia of life [web application]. Version 7.1. NatureServe, Arlington, Virginia. Available http://explorer.natureserve.org. (Accessed:

Citation for Bird Range Maps of North America:
Ridgely, R.S., T.F. Allnutt, T. Brooks, D.K. McNicol, D.W. Mehlman, B.E. Young, and J.R. Zook. 2003. Digital Distribution Maps of the Birds of the Western Hemisphere, version 1.0. NatureServe, Arlington, Virginia, USA.

Acknowledgement Statement for Bird Range Maps of North America:
"Data provided by NatureServe in collaboration with Robert Ridgely, James Zook, The Nature Conservancy - Migratory Bird Program, Conservation International - CABS, World Wildlife Fund - US, and Environment Canada - WILDSPACE."

Citation for Mammal Range Maps of North America:
Patterson, B.D., G. Ceballos, W. Sechrest, M.F. Tognelli, T. Brooks, L. Luna, P. Ortega, I. Salazar, and B.E. Young. 2003. Digital Distribution Maps of the Mammals of the Western Hemisphere, version 1.0. NatureServe, Arlington, Virginia, USA.

Acknowledgement Statement for Mammal Range Maps of North America:
"Data provided by NatureServe in collaboration with Bruce Patterson, Wes Sechrest, Marcelo Tognelli, Gerardo Ceballos, The Nature Conservancy-Migratory Bird Program, Conservation International-CABS, World Wildlife Fund-US, and Environment Canada-WILDSPACE."

Citation for Amphibian Range Maps of the Western Hemisphere:
IUCN, Conservation International, and NatureServe. 2004. Global Amphibian Assessment. IUCN, Conservation International, and NatureServe, Washington, DC and Arlington, Virginia, USA.

Acknowledgement Statement for Amphibian Range Maps of the Western Hemisphere:
"Data developed as part of the Global Amphibian Assessment and provided by IUCN-World Conservation Union, Conservation International and NatureServe."

NOTE: Full metadata for the Bird Range Maps of North America is available at:
http://www.natureserve.org/library/birdDistributionmapsmetadatav1.pdf.

Full metadata for the Mammal Range Maps of North America is available at:
http://www.natureserve.org/library/mammalsDistributionmetadatav1.pdf.

Restrictions on Use: Permission to use, copy and distribute documents delivered from this server is hereby granted under the following conditions:
  1. The above copyright notice must appear in all copies;
  2. Any use of the documents available from this server must be for informational purposes only and in no instance for commercial purposes;
  3. Some data may be downloaded to files and altered in format for analytical purposes, however the data should still be referenced using the citation above;
  4. No graphics available from this server can be used, copied or distributed separate from the accompanying text. Any rights not expressly granted herein are reserved by NatureServe. Nothing contained herein shall be construed as conferring by implication, estoppel, or otherwise any license or right under any trademark of NatureServe. No trademark owned by NatureServe may be used in advertising or promotion pertaining to the distribution of documents delivered from this server without specific advance permission from NatureServe. Except as expressly provided above, nothing contained herein shall be construed as conferring any license or right under any NatureServe copyright.
Information Warranty Disclaimer: All documents and related graphics provided by this server and any other documents which are referenced by or linked to this server are provided "as is" without warranty as to the currentness, completeness, or accuracy of any specific data. NatureServe hereby disclaims all warranties and conditions with regard to any documents provided by this server or any other documents which are referenced by or linked to this server, including but not limited to all implied warranties and conditions of merchantibility, fitness for a particular purpose, and non-infringement. NatureServe makes no representations about the suitability of the information delivered from this server or any other documents that are referenced to or linked to this server. In no event shall NatureServe be liable for any special, indirect, incidental, consequential damages, or for damages of any kind arising out of or in connection with the use or performance of information contained in any documents provided by this server or in any other documents which are referenced by or linked to this server, under any theory of liability used. NatureServe may update or make changes to the documents provided by this server at any time without notice; however, NatureServe makes no commitment to update the information contained herein. Since the data in the central databases are continually being updated, it is advisable to refresh data retrieved at least once a year after its receipt. The data provided is for planning, assessment, and informational purposes. Site specific projects or activities should be reviewed for potential environmental impacts with appropriate regulatory agencies. If ground-disturbing activities are proposed on a site, the appropriate state natural heritage program(s) or conservation data center can be contacted for a site-specific review of the project area (see Visit Local Programs).

Feedback Request: NatureServe encourages users to let us know of any errors or significant omissions that you find in the data through (see Contact Us). Your comments will be very valuable in improving the overall quality of our databases for the benefit of all users.