Juncus bulbosus

{{Short description|Species of rush}}

{{Speciesbox

|image=Juncus bulbosus — Flora Batava — Volume v5.jpg

|image_caption=Botanical illustration

|image2=Juncus bulbosus kz3.JPG

|image2_caption=Inflorescence

|genus=Juncus

|species=bulbosus

|authority=L.Sp. Pl.: 327 (1753)

|synonyms_ref=

|synonyms={{collapsible list|

• Juncus annuus Krock.
• Juncus bulbosus f. geniculatus (Asch. & Graebn.) Soó
• Juncus bulbosus f. nanus (Peterm.) Soó
• Juncus bulbosus f. submersus (Glück) Soó
• Juncus bulbosus f. submucronatus Procków
• Juncus bulbosus f. uliginosus (Roth) Fern.-Carv.
• Juncus bulbosus f. welwitschii (Hochst. ex Steud.) Soó
• Juncus confervaceus St.-Lag.
• Juncus fluitans Lam.
• Juncus kochii F.W.Schultz
• Juncus setifolius Ehrh.
• Juncus subverticillatus Wulfen
• Juncus supinus Moench
• Juncus supinus var. fluitans (Lam.) Fr.
• Juncus uliginosus Roth
• Juncus verticillatus Pers.
• Juncus viviparus Relhan
• Juncus welwitschii Hochst. ex Steud.
• Phylloschoenus supinus (Moench) Fourr.
• Tristemon uliginosus (Roth) Raf.

}}}}

Juncus bulbosus, the bulbous rush, is a species of flowering plant in the family Juncaceae, native to Iceland, the Faroes, Europe, Macaronesia, and northwest Africa.{{cite web |url=http://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:324840-2 |title=Juncus bulbosus L. |author= |date=2017 |website=Plants of the World Online |publisher=Board of Trustees of the Royal Botanic Gardens, Kew |access-date=19 January 2021 }}{{cite web |title=Juncus bulbosus bulbous rush |url=https://www.rhs.org.uk/Plants/9514/Juncus-bulbosus/Details |publisher=The Royal Horticultural Society |access-date=19 January 2021 |quote=Other common names; … lesser jointed rush }} It has been introduced to Australia, New Zealand, and some locations in northern North America. It is capable of nuisance growth in lakes and streams.{{cite journal |title=Juncus bulbosus nuisance growth in oligotrophic freshwater ecosystems: Different triggers for the same phenomenon in rivers and lakes? |year=2013 |last1=Schneider |first1=Susanne C. |last2=Fosholt Moe |first2=Therese |last3=Hessen |first3=Dag O. |last4=Kaste |first4=Øyvind |journal=Aquatic Botany |volume=104 |pages=15–24 |doi=10.1016/j.aquabot.2012.10.001 |bibcode=2013AqBot.104...15S |hdl=10852/70876 |hdl-access=free }}