| Name | Juncus effusus Linnaeus |
| Authorship | Linnaeus |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Juncus |
| Contains | Juncus effusus subsp. austrocalifornicus Lint Juncus effusus var. brunneus Engelmann Juncus effusus var. caeruleomontanus H. St. John Juncus effusus var. compactus Lejeune & Courtois Juncus effusus var. costulatus Fernald Juncus effusus var. decipiens Buchenau Juncus effusus var. exiguus Fernald & Wiegand Juncus effusus var. gracilis Hooker Juncus effusus var. pacificus Fernald & Wiegand Juncus effusus subsp. pacificus (Fernald & Wiegand) Piper & Beattie Juncus effusus var. pylaei (Laharpe) Fernald & Wiegand Juncus effusus var. solutus Fernald & Wiegand Juncus effusus subsp. solutus (Fernald & Wiegand) Hämet-Ahti |
| GUID | urn:lsid:ipni.org:names:442917-1 |
| Citation | 1753 Sp. Pl. 1: 326 |
| Holdings | 190 Specimens held in the Harvard University Herbaria identified as Juncus effusus Linnaeus |
| Identification made in | [no date] (183), 2011 (1), 2012 (5), 2018 (1) |
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