TY - BOOK AU - Cullen, J. TI - The identification of flowering plant families : : including a key to those native and cultivated in north temperate regions SN - 0521585503 U1 - 582.13 PY - 1997/// PB - Cambridge University Press KW - Angiosperms -Identification KW - Flowers-Identification N1 - Includes bibliographical references and indx ER -