Herbs, perennial, 0.2–3.5 dm. Rhizomes widely creeping, sparingly branched, 1.5–2 mm diam., nodes closely set. Culms terete, 1 mm diam. Cataphylls several. Leaves: blade absent. Inflorescences 3–10(–12)-flowered, loosely congested, 1–2 cm; primary bract terete, nearly equaling to much longer than culm. Flowers pedicellate; bracteoles broadly ovate, tepals light brown or green, lanceolate, 2.5–4.2 mm; inner series loosely subtending capsule at maturity, slightly shorter, margins scarious; stamens 6, filaments 0.5–0.9 mm, anthers 0.5–0.7 mm; style 0.2 mm. Capsules tan, 3-locular, nearly globose, 2.5–3 × 1.8–2.1 mm, shorter than perianth. Seeds amber, 0.5–0.6 mm, not tailed. 2n = 40, 70, 80, 84.
Phenology: Flowering and fruiting summer.
Habitat: Usually sandy, moist or wet soil along stream banks, pools, lakes or in meadow depressions, rarely in bogs, frequently hidden by larger vegetation
Elevation: 0–3000 m
Phenology: Flowering and fruiting summer.
Habitat: Usually sandy, moist or wet soil along stream banks, pools, lakes or in meadow depressions, rarely in bogs, frequently hidden by larger vegetation
Elevation: 0–3000 m
Distribution

Greenland, St. Pierre and Miquelon, Alta., B.C., Man., Nfld. and Labr., N.B., N.S., N.W.T., Nunavut, Ont., P.E.I., Que., Sask., Yukon, Alaska, Colo., Idaho, Maine, Mass., Mich., Minn., Mont., Nebr., N.H., N.J., N.Y., Oreg., Pa., Utah, Vt., Wash., W.Va., Wis., Wyo., Eurasia, Atlantic Islands (Iceland).
Discussion
References
None.
Lower Taxa
No lower taxa listed.
Facts about "Juncus filiformis"
Author | Ralph E. Brooks* + and Steven E. Clemants* + |
Authority | Linnaeus + |
Common name | Thread rush + |
Distribution | Greenland +, St. Pierre and Miquelon +, Alta. +, B.C. +, Man. +, Nfld. and Labr. +, N.B. +, N.S. +, N.W.T. +, Nunavut +, Ont. +, P.E.I. +, Que. +, Sask. +, Yukon +, Alaska +, Colo. +, Idaho +, Maine +, Mass. +, Mich. +, Minn. +, Mont. +, Nebr. +, N.H. +, N.J. +, N.Y. +, Oreg. +, Pa. +, Utah +, Vt. +, Wash. +, W.Va. +, Wis. +, Wyo. +, Eurasia + and Atlantic Islands (Iceland). + |
Elevation | 0–3000 m + |
Habitat | Usually sandy, moist or wet soil along stream banks, pools, lakes or in meadow depressions, rarely in bogs, frequently hidden by larger vegetation + |
Illustrator | Yevonn Wilson-Ramsey + |
Phenology | Flowering and fruiting summer. + |
Publication title | Sp. Pl. + |
Publication year | 1753 + |
Reference | None + |
Source xml | https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse grained fna xml/V22/V22 470.xml + |
Synonyms | Juncus sect. Genuini +, Juncus sect. Juncotypus + and Juncus subg. Juncotypus + |
Taxon family | Juncaceae + |
Taxon name | Juncus filiformis + |
Taxon parent | Juncus subg. Genuini + |
Taxon rank | species + |
Volume | Volume 22 + |