Book  (Apr 1993)  Page(s) 305.  
 
‘Laurelle’. F. m, 1966. ‘Rumba’ x ‘Lavender Princess’. Harris, J. R. Paulen Park Nursery. Flowers lavender-pink, base veined lemon, dbl., borne in clusters, fragrant; foliage glossy, vigorous, bushy growth.

Book  (1969)  Page(s) 203.  
 
‘Laurelle’. F. (J. R. Harris; int. Paulen Park Nurs., ’66). ‘Rumba’ x ‘Lavender Princess’. Dbl., fragrant, lavender-pink, base veined lemon; cluster. Fol. Glossy. Vig., bushy.