Heracleum sphondylium var. angustifolium (Jacquin) C.C. Gmelin

Heracleum sphondylium var. angustifolium (Jacquin) C.C. Gmelin is a synonym sensu FNA Ed. Comm., in prep. f of:

Heracleum sibiricum Linnaeus, an accepted species name sensu FNA Ed. Comm., in prep. f.