Website/Catalog  (1986)  Page(s) 51.  
 
Korona (Clg.) (Climbing Floribunda). Clusters of shapely buds opening to semi-double bright orange-red flowers.  Vigorous and upright in growth. Dark green foliage.  1957.  P. N. Shade tolerant  15 x 10’. 

Book  (1974)  Page(s) 179.  
 
Korona, Climbing: Cl. Flori. Kordes, 1957. Sport from Korona. Bright orange scarlet, fading ....

Book  (1958)  Page(s) 187.  
 
Korona, Cl. Cl.F. (Kordes, '57.)