Erica tetralix
In many parts of the world, a "heath" or "heathland" is an environment characterised by an open dwarf-shrub community found on low-quality acidic soils, generally dominated by plants in the Ericaceae. A common example is "Erica tetralix". This plant family is also typical of peat bogs and blanket bogs; examples include "Rhododendron groenlandicum" and "Kalmia polifolia". In eastern North America, members of this family often grow in association with an oak canopy, in a habitat known as an oak-heath forest.