Lousley, J. E. (1955). Species studies in the British flora: Being the report of the conference under the title of the species concept in its relation to the British flora held in 1954 by the Botanical Society of the British Isles. Bot. Society.
Chicago-Zitierstil (17. Ausg.)Lousley, J E. Species Studies in the British Flora: Being the Report of the Conference Under the Title of the Species Concept in Its Relation to the British Flora Held in 1954 by the Botanical Society of the British Isles. London: Bot. Society, 1955.
MLA-Zitierstil (9. Ausg.)Lousley, J E. Species Studies in the British Flora: Being the Report of the Conference Under the Title of the Species Concept in Its Relation to the British Flora Held in 1954 by the Botanical Society of the British Isles. Bot. Society, 1955.