Book  (Jun 1992)  Page(s) 251.  
 
Apfelblüte Polyantha. Wirtz & Eicke, 1907. Seedling of 'Mme Norbert Levavasseur'. Description.

Book  (1936)  Page(s) 30.  
 
Apfelblüte (Pol) Eicke & Wirtz 1907; M. Norb. Levavasseur X ?; light pink. Sangerhausen
Apple Blossom (polyantha) Schultheis 1908; ?

Book  (1914)  Page(s) 263.  
 
Apple Blossom, Poly. Pom., appleblossom