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Juncus arcticus ssp. littoralis

Juncus arcticus Willd. ssp. littoralis (Engelm.) Hultén

Baltic Rush

Juncaceae (Rush Family)

Synonym(s): Juncus arcticus ssp. ater, Juncus arcticus ssp. balticus, Juncus arcticus var. balticus, Juncus arcticus var. littoralis, Juncus arcticus var. montanus, Juncus ater, Juncus balticus, Juncus balticus var. balticus, Juncus balticus var. littoralis, Juncus balticus var. melanogenus, Juncus balticus var. montanus, Juncus balticus var. stenocarpus, Juncus balticus var. vallicola

USDA Symbol: JUARL

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

Great Lakes coastal species; forms dense colonies from dark green stems that spreads. Stems, rising from a rhizome, often form a line like a fence. (Ontario Native Plants 2002)

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.

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Plant Characteristics

Duration: Perennial
Habit: Grass/Grass-like
Fruit Type: Capsule , Caryopsis
Size Notes: Up to about 3 feet tall.
Leaf: Green

Bloom Information

Bloom Color: Brown
Bloom Time: Jun , Jul

Distribution

USA: AK , AR , AZ , CA , CO , IA , ID , IL , IN , KS , MA , MD , ME , MI , MN , MO , MT , ND , NE , NH , NJ , NM , NV , NY , OH , OK , OR , PA , RI , SD , TX , UT , VA , VT , WA , WI , WV , WY
Canada: AB , BC , MB , NB , NL , NS , NT , NU , ON , PE , QC , SK , YT

Growing Conditions

Water Use: High
Light Requirement: Sun
CaCO3 Tolerance: Low

National Wetland Indicator Status

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

This information is derived from: U.S. Army Corps of Engineers. (2023). 2022 National Wetland Plant List, version 3.6. U.S. Army Engineer Research and Development Center, Vicksburg, MS. https://wetland-plants.usace.army.mil/. Click here for map of regions.

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:

Santa Barbara Botanic Garden - Santa Barbara, CA

Web Reference

Webref 30 - Calflora (2018) Calflora
Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Juncus arcticus ssp. littoralis in USDA Plants
FNA: Find Juncus arcticus ssp. littoralis in the Flora of North America (if available)
Google: Search Google for Juncus arcticus ssp. littoralis

Metadata

Record Modified: 0000-00-00
Research By: TWC Staff

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