Crataegus species-Bremen, Germany

Rosaceae Week : Weißdorn (Crataegus ) from bremen:
Weißdorn (Crataegus) commonly called hawthorn or thornapple

Fotos taken on a bicycletrip to Bremen in May 2011.
I don’t know where it was, so can’t get fotos of leaves or fruits.
But read more http://en.wikipedia.org/wiki/Crataegus

Kingdom:        Plantae
(unranked):     Angiosperms
(unranked):     Eudicots
(unranked):     Rosids
Order:          Rosales
Family:         Rosaceae
Subfamily:      Maloideae or Spiraeoideae
Tribe:          Pyreae  or Crataegeae
Subtribe:       Pyrinae
Genus:          /Crataegus/