Helosciadium

{{Short description|Genus of plants}}

{{Automatic taxobox

| image = Helosciadium repens kz26.jpg

| image_caption = Helosciadium repens

| display_parents = 2

| taxon = Helosciadium

| authority = W.D.J.Koch

}}

Helosciadium is a genus of flowering plants belonging to the family Apiaceae.{{cite web |title=Helosciadium W.D.J.Koch |url=https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:40073-1 |website=Plants of the World Online |access-date=2 January 2023 |language=en}}{{cite web |url= https://www.catalogueoflife.org/data/taxon/637G6 |title= Helosciadium W.D.J.Koch |author= |date=n.d. |website=Catalogue of Life |publisher=Species 2000 |access-date=April 17, 2025}}{{cite web |url= https://www.worldfloraonline.org/taxon/wfo-4000017319 |title= Helosciadium W.D.J.Koch |author= |date=n.d. |website=World Flora Online |publisher=World Flora Online consortium |access-date=April 17, 2025}}

Its native range is from Europe to Central Asia and Pakistan, Macaronesia to Arabian Peninsula and Tanzania. Helosciadium bermejoi from the island of Menorca is one of the rarest plants in Europe, with fewer than 100 individuals left.IUCN Red List: {{IUCNlink|61608/0|Apium bermejo}}.

{{As of|2023|January}}, Plants of the World Online accepted the following species and hybrids:

• Helosciadium bermejoi {{small|(L.Llorens) Popper & M.F.Watson}}
• Helosciadium crassipes {{small|W.D.J.Koch ex Rchb.}}
• Helosciadium inundatum {{small|(L.) W.D.J.Koch}}
• Helosciadium × longipedunculatum {{small|(F.W.Schultz) Desjardins}}
• Helosciadium milfontinum {{small|Fern.Prieto, Pinto-Cruz, Nava & Cires}}
• Helosciadium × moorei {{small|(Syme) Bab.}}
• Helosciadium nodiflorum {{small|(L.) W.D.J.Koch}}
• Helosciadium repens {{small|(Jacq.) W.D.J.Koch}}