HUBBARD, C.E. Grasses : a guide to their structure, identification, uses, and distribution in the British Isles / by C.E. Hubbard ; revisede edition with illustrations mainly by Joan Sampson. - [2nd ed., 5th print.]. -- -- Middlesex : Penging Books, 1980 - 463 p. ISBN 0-14-02-0295-1 Subjects--Topical Terms: GramíneasIslas Británicas Universal Decimal Class. No.: 582.542(41)