The Collaborative International Dictionary of English v.0.48:

Hawkbit \Hawk"bit`\ (-b[i^]t`), n. (Bot.)
   The fall dandelion (Leontodon autumnale).
   [1913 Webster]

WordNet (r) 3.0 (2006):

hawkbit
    n 1: any of various common wildflowers of the genus Leontodon;
         of temperate Eurasia to Mediterranean regions