Book  (1936)  Page(s) 575.  
 
Portemer, Blanche de (Lawrenciana) ? ? ; white, very small, semi-double.

Magazine  (1882)  Page(s) 54.  
 
The sorts Blanche de Portemer and Little Pet have white, multiflora very double, rosea larger and even more double blooms. One would uitlize this dainty rose more often if it would not be so difficult...

Book  (1880)  Page(s) Annex, p. 20.  
 
Lawrenciana. Blanche de Portemer, white, very small, lightly filled

Book  (1858)  Page(s) 249.  
 
Rosa indica Lawrenceanna ... Blanche de Portemer, very small, lightly filled, white

Website/Catalog  (1845)  Page(s) 40.  
 
Lawrenciana.
Blanc de Portemer, très petite, presque pleine, blanche...1 fr.