Not an accepted name (status: unknown). The accepted name is Hieracium praecurrens subsp. subserratifolium (Zahn) Zahn, 1921.

Hieracium serratifolium Ulbr. 0% complete

No common name

(1917). Notizbl. Bot. Gart. Berlin-Dahlem 7

There is no corrections for Hieracium serratifolium yet.