Book  (Nov 1994)  Page(s) 216.  
 
Rosa multiflora
"It is often seen in gardens without the owner having any idea of its identify, except that they know it is an understock....The forms known as Rosa multiflora japonica (prickly) and R. m. 'Simplex' (prickle-less) are those used most often as understocks for budding, and differ but little from a horticultural point of view; either will make a charming plant, but both are rather small-flowred. Another understock, 'Cress and Danieli' is undoubtedly the best of all forms to grow form its beauty. The flowers, trusses, and foliage are all of a high order. It was raised in the United States."

Book  (1986)  Page(s) 179.  
 
Understocks... multiflora... 'Japonica'

Book  (Jul 1938)  Page(s) 87.  
 
R. multiflora japonica - (Multiflora means many-flowered; japonica means Japanese). Commonly used as a rootstock for garden roses.

Book  (1926)  Page(s) ii.  
 
[From an advertisement for A.N. Pierson, Inc., which claims that because their plants were] grafted on seedling Rosa multiflora japonica (because of its wondrous fibrous root system) a vigorous, healthy root growth is promoted... Practically all bush roses produce more blooms when grown on R. multiflora japonica stock...

Website/Catalog  (1849)  Page(s) 53.  
 
Rosai Sarmentosi e Rampicanti. Multiflora japonica p (piccolo) doppio, roseo tenero … da fr. 1 a fr. 1 50

Website/Catalog  (1839)  Page(s) 22.  
 
Rosa multiflora japonica....1 new Piemont lira, a dozen for 9 new Piemont lire