Book  (11 Jun 1993)  Page(s) 47.  
 
R. nitida x R. rugosa. Darthius Nursery (Holland) 1950. Description... single pink blossoms... extremely hardy.

Book  (1988)  Page(s) 171.  
 
location 81a, 203/1; R. x rugotida Darthuis (R. nitida x R. rugosa), CAROLINAE, Darthuis 1950, pink-light violet-red, single to semi-double, small-medium, cluster-flowered, fragrant, floriferous, vigorous, bushy, arching, branched, broad, 1 m, suckers

Book  (1981)  Page(s) 269.  
 
R. x rugotida Darth. Boomkw. 1950. (= R. nitida x R. rugosa). Growth strong, to 1 m./3.3 ft. high, with suckers; leaves very similar to R. rugosa, but smaller; flowers pink, similar to R. nitida; sterile (no fruits).