Article (misc)  (22 Jul 2009)  
 
Dr Frank Leith Skinner papers

Butterball . Rosa hispida hybrid, shrub to six feet with prickled arching branches that are covered with large creamy flowers in season. Small spinosissima type of foliage. Introduced 1950.

Book  (1967)  Page(s) 49.  
 
Some All-Canadian Roses
by Fred Blakeney, Victoria, B.C.
Now we come to the Dean of Canadian Hybridizers in the person of Dr. Frank L. Skinner of Dropmore, Manitoba, who has been hybridizing roses and other plants for over sixty years. [...]
Other originations followed in succession, the chief ones being:
"Butterball", R. spinosissima hispida hybrid with creamy yellow flowers and prickly arching branches. Height 6 feet, non-recurrent bloom.

Website/Catalog  (1951)  Page(s) 11.  
 
Butterball - New single R. altaica hybrid. Large creamy yellow flowers followed by conspicuous big round reddish black fruits. Each .....$1.25