In the past, purple - flowering heaths stretched as far as the eye could see, covering large parts of Belgium, Germany, and the Netherlands, but today only scattered pockets remain.
Minevikus laiusid punakaslillad nõmmed nii kaugele, kui silm ulatus, kattes suuri alasid Belgiast, Hollandist ja Saksamaast, kuid tänapäeval on neist järgi vaid nõmmekillud.