Juncus arcticus var. balticus

(Willdenow) Trautvetter

Trudy Imperatorskago. Acta Horti Petropolitani. 5: 119. 1878.

Common names: Baltic rush
Basionym: Juncus balticus Rydberg Ges. Naturf. Freunde Berlin Mag. Neuesten Entdeck. Gesammten Naturk. 2: 298. 1809
Synonyms: Juncus arcticus subsp. ater (Rydberg) Hultén Juncus arcticus subsp. littoralis (Engelmann) Hultén Juncus arcticus var. gracilis Hooker Juncus arcticus var. littoralis (Engelmann) B. Boivin Juncus arcticus var. montanus (Engelmann) S. L. Welsh Juncus arcticus var. montanus (Engelmann) Balslev Juncus ater Juncus balticus subsp. littoralis (Engelmann) Hultén Juncus balticus subsp. vallicola (Rydberg) Lint Juncus balticus var. condensatus Susksdorf. Juncus balticus var. eremicus Jepson Juncus balticus var. littoralis Engelmann Juncus balticus var. melanogenus Fernald & Wiegand Juncus balticus var. montanus Engelmann Juncus balticus var. vallicola Rydberg Juncus breweri Juncus vallicola
Treatment appears in FNA Volume 22.

Herbs, 2–10 dm. Leaves: blade absent. Inflorescences 6–many-flowered, loose to congested; primary bract usually several times longer than inflorescence. Flowers: tepals blackish to light brown, occasionally paler, (2.5–)3.5–5.5(–6) mm; filaments 0.2–0.5 mm, anthers 1.2–2.2 mm.

Phenology: Flowering spring–early summer.
Habitat: Shores, stream margins, wet meadows, fens, marshes, often slightly alkaline soils


V22 343-distribution-map.jpg

Greenland, Alta., B.C., Man., N.B., Nfld. and Labr., N.W.T., N.S., Nunavut, Ont., P.E.I., Que., Sask., Yukon, Alaska, Ariz., Ark., Calif., Colo., Del., Idaho, Ill., Ind., Iowa, Kans., Maine, Mass., Md., Mich., Minn., Mo., Mont., Nebr., Nev., N.H., N.Mex., N.Dak., N.Y., Ohio, Okla., Oreg., Pa., S.Dak., Tex., Utah, Va., Vt., Wash., W.Va., Wis., Wyo., Mexico, South America, Europe, Asia.


Selected References


Lower Taxa

Ralph E. Brooks* +  and Steven E. Clemants* +
(Willdenow) Trautvetter +
Juncus balticus +
Baltic rush +
Greenland +, Alta. +, B.C. +, Man. +, N.B. +, Nfld. and Labr. +, N.W.T. +, N.S. +, Nunavut +, Ont. +, P.E.I. +, Que. +, Sask. +, Yukon +, Alaska +, Ariz. +, Ark. +, Calif. +, Colo. +, Del. +, Idaho +, Ill. +, Ind. +, Iowa +, Kans. +, Maine +, Mass. +, Md. +, Mich. +, Minn. +, Mo. +, Mont. +, Nebr. +, Nev. +, N.H. +, N.Mex. +, N.Dak. +, N.Y. +, Ohio +, Okla. +, Oreg. +, Pa. +, S.Dak. +, Tex. +, Utah +, Va. +, Vt. +, Wash. +, W.Va. +, Wis. +, Wyo. +, Mexico +, South America +, Europe +  and Asia. +
Shores, stream margins, wet meadows, fens, marshes, often slightly alkaline soils +
Flowering spring–early summer. +
Trudy Imperatorskago. Acta Horti Petropolitani. +
Illustrated +
Juncus arcticus subsp. ater +, Juncus arcticus subsp. littoralis +, Juncus arcticus var. gracilis +, Juncus arcticus var. littoralis +, Juncus arcticus var. montanus +, Juncus ater +, Juncus balticus subsp. littoralis +, Juncus balticus subsp. vallicola +, Juncus balticus var. condensatus +, Juncus balticus var. eremicus +, Juncus balticus var. littoralis +, Juncus balticus var. melanogenus +, Juncus balticus var. montanus +, Juncus balticus var. vallicola +, Juncus breweri +  and Juncus vallicola +
Juncus arcticus var. balticus +
Juncus arcticus +
variety +