Edited: J. Burley and B. T. Styles text London Academic Press 1976 en xv, 243 p.: ill.; 26 cm. + Index TREES -- VARIATION -- PLANT BREEDING -- CONSERVATION 634.0.2/TRO 210519 20210519133630 INLIS000000000003327 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)