Book  (2018)  Page(s) 543.  
 
Rosa pisiformis (Christ) D. Sosn.
This endemic species spreads in northeastern and eastern Anatolia, in the Gümüşhane, Kars, Erzincan, Erzurum, Ağrı, Van regions....

Book  (2007)  Page(s) Vol. II, p. 208.  Includes photo(s).
 
Rosaceae (Gülgiller), Rosa pisiformis Gül. 5 petals. to 2.0 m. North-eastern Turkey. Swamps, bogs, marshes, river and lake shores, sandy areas. 1600-2000 m. July. Perennial woody plant. Endemic.

Book  (2005)  Page(s) 354.  Includes photo(s).
 
Eastern Anatolian region. Ispiriz Mountain. Van.
Rosa pisiformis

Book  (1976)  Page(s) 179.  
 
Botanical roses on the territory of the USSR, whose independence requires precising...
R. pisiformis (Christ) Sosn. - according to Chrshanowskii the existence of this species has not been confirmed by later investigations and is doubted.