Juncus tweedyi

{{Short description|Species of plant}}

{{Speciesbox

|image=Juncus brevicaudatus BB-1913.png

|image_caption=Botanical illustration

|genus=Juncus

|species=tweedyi

|authority=Rydb.

|synonyms_ref=

|synonyms=

• Juncus brevicaudatus {{small|(Engelm.) Fernald}}
• Juncus canadensis var. brevicaudatus {{small|Engelm.}}
• Juncus canadensis var. coarctatus {{small|Engelm.}}
• Juncus canadensis var. kuntzei {{small|Buchenau}}
• Juncus coarctatus {{small|(Engelm.) Buchenau}}
• Juncus kuntzei {{small|(Buchenau) Vierh.}}

}}

Juncus tweedyi (syn. Juncus brevicaudatus), the narrow-panicled rush, is a species of flowering plant in the family Juncaceae.{{cite journal |title=Juncus tweedyi (Juncaceae sect. Ozophyllum), the correct name for Juncus brevicaudatus |year=2022 |last1=Knapp |first1=Wesley M. |last2=Gandhi |first2=Kanchi |last3=Naczi |first3=Robert F. C. |last4=Floden |first4=Aaron |journal=Phytotaxa |volume=566 |issue=2 |pages=242–244 |doi=10.11646/phytotaxa.566.2.9 |s2cid=252574534 |doi-access=free }}{{cite web |url=https://www.minnesotawildflowers.info/grass-sedge-rush/narrow-panicled-rush |title=Juncus brevicaudatus (Narrow-panicled Rush) |author= |date=2023 |website=MinnesotaWildflowers.info |publisher=Minnesota Wildflowers |access-date=6 March 2023 }} It is native to southern Canada, and the northern USA, extending down the mountain ranges.{{cite POWO |id=132360-2 |title=Juncus tweedyi Rydb. |access-date=6 March 2023 }} A perennial reaching {{cvt|24|in|cm|-1}}, it is typically found in wet areas, such as the edges of beaver ponds.{{cite journal |title=Reserves of buried seeds in beaver ponds |year=1998 |last1=Le Page |first1=Caroline |last2=Keddy |first2=Paul A. |journal=Wetlands |volume=18 |issue=2 |pages=242–248 |doi=10.1007/BF03161659 |s2cid=30363158 }}