Rosa gallica 
Rosa gigantea 
Rosa gymnocarpa 
Rosa ovczinnikovii 
Rosa pulverulenta 
Rosa rubiginosa 
Rosa woodsii 
Rosa xanthina 
Rosa × centifolia 
Rosy Spiraea 
Roxburgh fig 
Rubber fig 
Rubus ablatus 
Rubus calycinus 
Rubus lloydianus 
Rubus ursinus 
Russian olive 
Sacred fig 
Sageretia thea 
Salad Burnet 
Salmonberry 
Scarlet firethorn 
Sheep's Burr 
shinyleaf spiraea