Parsnip is a common name used for a number of distinct species. Plants with the common name Parsnip H Heracleum pubescens (Downy Cow-Parsnip)Heracleum sphondylium (Cow Parsnip)Heracleum sphondylium montanum (Cow Parsnip) L Lomatium nudicaule (Pestle Parsnip) P Pastinaca sativa (Parsnip) S Sium latifolium (Water Parsnip) S cont. Sium suave (Water Parsnip) Hidden category: Common name