(2000)  Page(s) 887-902.  
 
Anthocyanins in flowers of genus Rosa, sections Cinnamomeae (=Rosa), Chinenses, Gallicanae and some modern garden roses by Mikanagi, Saito, Yokoi, Tatsuzawa
"In particular, the blood-red coloured flowers of R. moyesii cv. Geranium contained [cyanidin 3-sophoroside] as 56% of total anthocyanins. This pigment is probably associated with the special colour of that cultivar."

(2000)  Page(s) 887-902.  
 
Anthocyanins in flowers of genus Rosa, sections Cinnamomeae (=Rosa), Chinenses, Gallicanae and some modern garden roses by Mikanagi, Saito, Yokoi, Tatsuzawa
Cy 3-sophoroside was detected in large amount in some taxa of section Cinnamomeae: e.g., R. moyesii and its related cultivars, and R. rugosa cv. Salmon Pink.