Not an accepted name (status: unknown). The accepted name is Heracleum sphondylium subsp. elegans (Crantz) Schübl. & G.Martens, 1834.

Heracleum sphondylium subsp. montanum (Schleich. ex Gaudin) Briq., 1905 20% complete

No common name

H. Schinz & R. Keller, Fl. Schweiz ed. 2, 1:372. 1905

There is no corrections for Heracleum sphondylium subsp. montanum yet.