Hubbard, C. E. 1900- Grasses : a guide to their structure, identification, uses, and distribution in the British Isles / revised by J. C. E. Hubbard ; with illustrations mainly by Joan Sampson. - 3rd ed. - Harmondsworth : Penguin, 1984 - 476 p. ill. Nat. Bib. No.: B68-15056 Subjects--Topical Terms: Grasses--Identification.--British Isles LC Class. No.: QK495.G74 / H74 1968 Dewey Class. No.: 584/.9/0942