Book  (1849)  Page(s) Part VI, p. 46-47.  
 
[From "Verzeichniss der von dem Herrn Dr. Kolenati in dem mittleren Theile des Caucasus, auf dem Kreuzberge, dem Kasbek und in den zunächst gelegenen Gegenden gesammelten Pflanzen" by C. A. Meyer]

231. Rosa mollis Ledeb. fl. ross. l. c. p. 77. - Ad R. tomentosam magis, quam ad R. cinnamomeam accedit; a R. tomentosa caule penitus inermi vel aculeis raris subulatis rectis basi orbicularibus armato, forsitan etiamfoliolis minus acutatis, sæpe obtusis, distinguitur. - Hab. prope pagum Kasbek, alt. 900 hexap.

Translation:
Belonging to R. tomentosa rather than to R. cinnamomea, distinguished from R. tomentosa by unarmed stems or rare prickles circular at their base, leaflets less acute, often obtuse. Habitat near a village in Kasbek , altitude 900 hexap. [?]