Book  (1849)  Page(s) 498.  
 
P. albiflora Pall....Following new varieties are available in Belgian nurseries (namely at Mr. L. van Houtte in Gent):....lilac. plena...

Website/Catalog  (1846)  Page(s) 43.  
 
Pivoines herbacées.
Albiflora lilacina plena...5 fr.

Book  (1846)  Page(s) 470.  
 
albiflora....lilacina plena v. Houtte.....