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diffuse rush, slimpod rush
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| Rhizomatous perennial 3-7 dm. tall. |
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Leaves alternate, the blades flat, 1.5-3 mm. broad; leaf bases sheathing, the sheaths several, the uppermost extending to above midlength of the flowering stem. |
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Inflorescence many-flowered, loosely cymose, 3-10 cm. long; perianth 3-4 mm. long, the 6 segments dark brown with a greenish mid-stripe, blunt, and hooded at the tip; stamens 6, the anthers much longer than the filaments. |
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Capsule ovoid to obovoid, rounded, about equal to the perianth. |
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| June-September |
June-August |
| Coastal salt marshes. |
Silty or gravelly riverbanks, and sandy depressions. |
Occurring west of the Cascades crest in counties along the Puget Sound and outer coast; British Columbia to Oregon, east sporadically across the U.S. to the northern Atlantic coast of the U.S. and Canada; circumboreal.
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Occurring west of the Cascades crest in Washington; southwestern Washington to California; also in the southeastern U.S., where native.
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| Native |
Introduced from the southeastern U.S. |
| Not of concern |
Not of concern |
J. acuminatus, J. alpinoarticulatus, J. anthelatus, J. articulatus, J. balticus, J. bolanderi, J. brachycarpus, J. brevicaudatus, J. breweri, J. bufonius, J. bulbosus, J. canadensis, J. compressus, J. confusus, J. conglomeratus, J. covillei, J. diffusissimus, J. drummondii, J. dudleyi, J. effusus, J. ensifolius, J. falcatus, J. filiformis, J. gerardi, J. hemiendytus, J. hesperius, J. howellii, J. inflexus, J. interior, J. kelloggii, J. laccatus, J. longistylis, J. mertensianus, J. nevadensis, J. nodosus, J. occidentalis, J. orthophyllus, J. oxymeris, J. parryi, J. patens, J. pelocarpus, J. pylaei, J. regelii, J. saximontanus, J. supiniformis, J. tenuis, J. tiehmii, J. torreyi, J. trilocularis, J. uncialis, J. vaseyi |
J. acuminatus, J. alpinoarticulatus, J. anthelatus, J. articulatus, J. balticus, J. bolanderi, J. brachycarpus, J. brevicaudatus, J. breweri, J. bufonius, J. bulbosus, J. canadensis, J. compressus, J. confusus, J. conglomeratus, J. covillei, J. drummondii, J. dudleyi, J. effusus, J. ensifolius, J. falcatus, J. filiformis, J. gerardi, J. hemiendytus, J. hesperius, J. howellii, J. inflexus, J. interior, J. kelloggii, J. laccatus, J. longistylis, J. mertensianus, J. nevadensis, J. nodosus, J. occidentalis, J. orthophyllus, J. oxymeris, J. parryi, J. patens, J. pelocarpus, J. pylaei, J. regelii, J. saximontanus, J. supiniformis, J. tenuis, J. tiehmii, J. torreyi, J. trilocularis, J. uncialis, J. vaseyi |
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BC
CA, 
OR, 
WA
Flora NW, 
PNW Herbaria
WildflowerSearch
iNaturalist (observations)
USDA Plants Database
