Since its first domestication, O. europaea has been spreading back to the wild from planted groves. Its original wild populations in southern Europe have been largely swamped by feral plants.
SincE its fIRst domeSticaTion, O. EURoPAEa hAS BEEn sprEadiNg bAck to the wilD fRom plAnteD gROvES. its oriGiNal wild POpulaTioNs in souThERn EurOpE HAvE bEEN largeLY SwamPeD By FerAl plaNts.