Hawthorn--Crataegus monogyna (common hawthorn) or Crataegus laevigata (midland hawthorn; Crataegus oxyacantha); also known as haw, thornapple, maythorn, whitethorn.
J Prim Health Care. 2011 Mar;3(1):63-4
Authors: Rasmussen P
PMID: 21359265 [PubMed - indexed for MEDLINE]