Atlas of the British flora
Perring, Franklyn.
Walters, S. M.(Stuart Max)
Botanical Society of the British Isles.
Wakefield EP Publishing for the Botanical Society of the British Isles
1976
Transparent overlay (one side : 2 maps) as insert
Previous ed.: London : Nelson for the Botanical Society of the British Isles, 1962
Bibliography: p.425. - Includes index
Botany
Flowers