Native Plants

Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

Enter a Plant Name:
Or you can choose a plant family:

Juncus filiformis

Juncus filiformis L.

Thread Rush

Juncaceae (Rush Family)

Synonym(s):

USDA Symbol: JUFI

USDA Native Status: L48 (N), AK (N), CAN (N), GL (N), SPM (N)

A member of the family Juncaceae which includes herbs, rarely shrubs, with mostly grass-like leaves, usually in a basal tuft, and small greenish or brownish flower in dense spikes or heads or sometimes in loose clusters or even solitary.

From the Image Gallery

No images of this plant

Plant Characteristics

Duration: Perennial
Habit: Grass/Grass-like
Fruit Type: Capsule
Size Notes: Up to about 30 inches tall.

Bloom Information

Bloom Color: White , Green , Brown
Bloom Time: Jun , Jul , Aug

Distribution

USA: AK , CO , ID , MA , ME , MI , MN , MT , NE , NH , NJ , NM , NY , OR , PA , UT , VT , WA , WI , WV , WY
Canada: AB , BC , MB , NB , NL , NS , NT , NU , ON , PE , QC , SK , YT

National Wetland Indicator Status

Region:	AGCP	AK	AW	CB	EMP	GP	HI	MW	NCNE	WMVE
Status:		FACW	FACW		FACW	OBL		FACW	FACW	FACW

This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1 (Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here for map of regions.

Web Reference

Webref 62 - Burke Herbarium Image Collection (2020) University of Washington
Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 26 - Minnesota Wildflowers: a field guide to the flora of Minnesota (2009)
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Juncus filiformis in USDA Plants
FNA: Find Juncus filiformis in the Flora of North America (if available)
Google: Search Google for Juncus filiformis

Metadata

Record Modified: 2023-06-06
Research By: TWC Staff

Go back