Website/Catalog  (1956)  Page(s) [2].  
 
Japanese Tree Peonies
Yuki Gasane (Snowdrift) Large white double...$6.00

Website/Catalog  (1914)  Page(s) 8.  
 
Paeonia Moutan (Japanese tree peony)
23. Yuki-gasane, White petals tinged delicate pink, 9 [inches across].