Heracleum sphondylium subsp. sibiricum (Linnaeus) Simonkai

Heracleum sphondylium subsp. sibiricum (Linnaeus) Simonkai 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.