Plants and their names a concise dictionary by Hyam, R.

Comparative plant ecology a functional approach to common British species by Grime, J. Philip (John Philip) 1935-, Hodgson, J.G. (John Gavin), Hunt, R. 1939-

Excursion flora of the British Isles by Clapham, Arthur Roy

Flora of the British isles monotylidones by Clapham, Arthur Roy

Handbook of the Rubi of Great Britain and Ireland by Watson, W. C. R.

Available for University of the Philippines Diliman via Cambridge Core. Click here to access

Flora of the British Isles by Clapham, A. R. (Arthur Roy) 1905-

British flowering plants evolution and classification of families and genera, with notes on their distribution by Hutchinson, J. (John) 1884-1972

Aims and methods in the study of vegetation. by Tansley, A.G