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| Rosa x 'Pink Grootendorst' | |
| Rosa rugosa x 'Pink Pavement' | |
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| Rosa spinosissima x 'Porter's Double Altai' | |
| Rosa x 'Prairie Celebration' | |
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| Rosa x 'Prairie Princess' | |
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| Rosa x 'Prairie Snowdrift' | |
| Rosa x 'Prairie Sweetheart' | |
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| Rosa rugosa x 'Purple Pavement' | |
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| Rosa x 'Red Dawn x Suzanne' | |
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| Rosa glauca (formerly R. rubrifolia) | |
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| Rosa rugosa x 'Rita Bugnet' | |
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| Rosa kordesii x 'Royal Edward' | |
| Rosa rugosa x 'Scarlet Pavement' | |
| Rosa laxa x R. gallica x 'Scarlet Ranger' | |
| Rosa rugosa x 'Schneezwerg' | |
| Rosa kordesii x 'Simon Fraser' | |
| Rosa rugosa x 'Sir Thomas Lipton' | |
| Rosa glauca x 'Skinner's Red Leaf Perpetual' | Skinner's Red Leaf Perpetual |
| Rosa rugosa x 'Snow Pavement' | |
| Rosa x 'Strawberry Crush' | |
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| Rosa rugosa x 'Topaz Jewel' | |
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| Rosa rugosa x 'Wasagaming' | |
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| Rosa alba var. semi-plena | |
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| Rosa rugosa x 'Will Alderman' | |
| Rosa kordesii x 'William Baffin' | |
| Rosa kordesii x 'William Booth' | |
| Rosa foetida/spinosissima 'Williams' Double Yellow' | |
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| Rosa spinosissima var. altaica (Willd.) Rehder x 'Yellow Altai' | |
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