(1998)  
 
Taxon: Rosa acicularis Lindl. subsp. sayi (Schwein.) W.H. Lewis
Distributional range: Northern America
References: Lewis, W. H. 1959. A Monograph of the genus Rosa in North America. R. acicularis Brittonia 11:1-24
Synonyms:
Rosa acicularis var. bourgeauiana Crép.
Rosa acicularis var. engelmannii (S. Watson) Crép. ex Rehder
Rosa acicularis var. sayiana Erlanson

(2002)  
 
Taxon: Rosa acicularis Lindl. subsp. sayi (Schwein.) W.H. Lewis
Distributional range: Northern America
References: Lewis, W. H. 1959. A Monograph of the genus Rosa in North America. R. acicularis Brittonia 11:1-24
Synonyms:
Rosa acicularis var. bourgeauiana Crép.
Rosa acicularis var. engelmannii (S. Watson) Crép. ex Rehder
Rosa acicularis var. sayiana Erlanson

(2008)  
 
Rosa iliensis Chrshan. Czerepanov, S. K. 1995. Vascular plant of Russia and adjacent states. =R. silverhjelmii which = R. beggeriana in Iran and former Soviet Union.

(2002)  
 
Rosa luciae var. onoei (Makino), native to Japan
Rosa onoei Makino is a synonym.

(2002)  
 
Taxon: Rosa multiflora Thunb. forma watsoniana (Crép.) Matsum.
Genus: Rosa...
Place of publication: Bot. Mag. (Tokyo) 10:165. 1896
Name verified on: 02-Oct-1997 by ARS Systematic Botanists. Last updated: 31-Jul-2000
...
References:
Huxley, A., ed. 1992. The new Royal Horticultural Society dictionary of gardening. (Dict Gard) [= R. watsoniana].
Krüssmann, G. 1984. Manual of cultivated broad-leaved trees and shrubs (English translation of Handbuch der Laubgehölze. 1976). (Krussmann)
Rehder, A. 1949. Bibliography of cultivated trees and shrubs. (Rehder) [= R. watsoniana].
Synonyms:
(≡) Rosa watsoniana Crép. (basionym)