Article (magazine)  (2011)  Page(s) 45-46.  
 
Belyj Zhemchug. Grandiflora. V.N. Klimenko, Z.K. Klimenko, 1965). White, cupped, large (10 cm), double (40 petals) soliary and in clusters up to 9, pear fragrance. Dark green glossy foliage. Spreading, up to 115 cm tall. Long lasting. Suitable for groups.