Page authors: Don Knoke, David Giblin
Juncus balticus
Baltic rush
WTU specimens
Other herbaria

Distribution: Widely distributed throughout much of Washington; widely distributed throughout much of western and central North America, less widely distributed in eastern North America.

Habitat: Wet places, often where saline or alkaline.

Flowers: June-August

Origin: Native

Conservation Status: Not of concern

Description:
General:

Sturdy perennial with thick, wide-spreading rhizomes, the stems terete, smooth, up to 4 mm. thick at the base, 1.5-8 dm. tall.

Leaves:

Basal sheaths bladeless or with a bristle-like blade less than 1 cm. long.

Flowers:

Inflorescence apparently lateral, the involucral bract terete, erect, sharp-pointed, 5-20 cm. long; panicle highly variable, from subcapitate and 1 cm. long to diffuse and 15 cm. long; perianth greenish to dark brown, 4-5 mm. long, the outer 3 segments longer, pointed, the inner three obtuse; stamens 6.

Fruits:

Capsule ovoid, equal to the inner tepals.

Accepted Name:
Juncus balticus Willd.
Publication: Ges. Naturf. Freunde Berlin Mag. Neuesten Entdeck. Gesammten Naturk. 2: 298. 1809

Synonyms & Misapplications:
Juncus arcticus Willd. var. balticus (Willd.) Trautv. [FNA22]
Infraspecies:
ssp. ater – Baltic rush
Additional Resources:

PNW Herbaria: Specimen records of Juncus balticus in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Juncus balticus checklist entry.

E-Flora BC: Juncus balticus atlas page.

CalPhotos: Juncus balticus photos.

USDA Plants: Juncus balticus information.

27 photographs:
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