Book  (Sep 1993)  Page(s) 434.  Includes photo(s).
 
Pink Star (INTerpink) Miniature. Interplant (Holland) 1978. Description... semi-double and light pink. Parentage: 'Yesterday' x unnamed seedling

Book  (Apr 1993)  Page(s) 456.  
 
Pink Star® Shrub, medium pink, 1978, (INTerpink); 'Yesterday' x Seedling; Interplant. Description.