narrow-leaf water-dropwort
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Apiales
- family: Apiaceae
- genus: Oenanthe
- species: Oenanthe silaifolia
Bornem- Hamme
- Ieper
- Lier
- Lovendegem
- Melle
- Oudenaarde
- Temse
- Torhout
Flanders
Belgium
Olomouc
Olomoucký
Czech Republic
Ayía Triás- Kerasochóri
Central Greece- Igoumenítsa
- Néa Seléfkeia
Epirus- Fíki
- Karpokhórion
- Mouzáki
- Neochórion
- Rízoma
Thessaly- Grevená
West Macedonia
Greece