Spencer, Roger Plant names : a guide to botanical nomenclature Roger Spencer, Rob Cross & Peter Lumley - 1st ed - Collingwood Wallingford, Oxfordshire 2007 - xiii, 162 p. : ill. (some col.) ; 22 cm Includes index ISBN: 9781845933746 Subjects--Topical Terms: NomenklaturPflanzennamePlants -- Nomenclature Dewey Class. No.: 581.014 SPE