Anna Lawrence ; Hawthorne William Plant identification : creating user-friendly field guides for biodiversity management. Lawrence Anna ; William Hawthorne - London : Earthscan , 2007. - xvi , 268 p. ; 24 cm. - People and plants conservation series . ISBN: 1-84407-079-4 Subjects--Topical Terms: PlantsBiodiversity management Dewey Class. No.: 580 / ANN H