Juncus dudleyi

{{Short description|Species of plant in the genus Juncus}}

{{Speciesbox

| image = Juncus dudleyi.jpg

| genus = Juncus

| species = dudleyi

| authority = WiegandBull. Torrey Bot. Club 27: 524 (1900)

| synonyms_ref =

| synonyms = {{Collapsible list|

• Juncus andreanus Weath.
• Juncus coarctatus Willd. ex Spreng.
• Juncus platycaulos Kunth
• Juncus tenuis var. dudleyi (Wiegand) F.J.Herm.
• Juncus tenuis var. platycaulos (Kunth) Buchenau
• Juncus tenuis var. uniflorus Farw.

}}}}

Juncus dudleyi is a widespread species of rush native to North America, and introduced to northern South America, Japan, Great Britain and central Europe.{{cite web |url=http://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:132109-2 |title=Juncus dudleyi Wiegand |author= |date=2017 |website=Plants of the World Online |publisher=Board of Trustees of the Royal Botanic Gardens, Kew |access-date=24 January 2021 }} Its diploid chromosome number is 2n=80.{{cite journal |title=Somatic Chromosome Numbers for Some North American Species of Juncus L. |last1=Harriman |first1=Neil A. |last2=Redmond |first2=Darrell |journal=Rhodora |year=1976 |volume=78 |issue=816 |pages=727–738 |jstor=23313616 }}