- a purple-flowered Eurasian heath that grows abundantly on moorland and heathland. Many ornamental varieties have been developed. Also called ling1.
- Calluna vulgaris, family Ericaceae (the heather family). This family includes the rhododendrons and azaleas as well as the bilberries and many other berry-bearing dwarf shrubs
Old English hadre, hedre (recorded in place names), of unknown origin. The word was chiefly Scots until the 16th century; the change in the first syllable in the 18th century was due to association with heath