Rosa canina =Wild Rose and in French, Eglantine
In 1989 the Greek Post Office brought out a Commemorative Stamp Set named " Wild flowers"
This 8 drachma stamp is the first in the series.
And, since I have the information leaflet, I can give you the Greek official name and the Greek common name
Κυνορροδή = Αγριοτριανταφυλλιά