University of Guelph Arboretum, Canada
University of Guelph Arboretum, Canada
University of Guelph Arboretum, Canada
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Found
R: 60 names
Rhamnus cathartica
• Rhamnaceae • Common Buckthorn
Rhamnus frangula (syn.)
• Rhamnaceae • Glossy Buckthorn
Rhamnus saxatilis
• Rhamnaceae • Rock Buckthorn
Rhododendron 'Capistrano'
• Ericaceae • Capistrano Rhododendron
Rhododendron catawbiense
• Ericaceae • Catawbiense Rhododendron
Rhododendron dauricum f. album
• Ericaceae • White Dahurian Rhododendron
Rhododendron dauricum var. ciliatum
• Ericaceae • Rhododendron
Rhododendron decorum
• Ericaceae • Great White Rhododendron
Rhododendron 'English Roseum'
• Ericaceae • English Roseum Rhododendron
Rhododendron ferrugineum
• Ericaceae • Alpine Rose
Rhododendron makinoi
• Ericaceae • Makino Rhododendron
Rhododendron maximum
• Ericaceae • Great Laurel Rhododendron
Rhododendron mucronulatum
• Ericaceae • Korean Rhododendron
Rhododendron mucronulatum subsp. sichotense
• Ericaceae • Korean Rhododendron
Rhododendron 'P.J.M.'
• Ericaceae • P.J.M. Rhododendron
Rhododendron schlippenbachii
• Ericaceae • Royal Azalea
Rhododendron yakushimanum
• Ericaceae • Yak Rhododendron
Rhodotypos scandens
• Rosaceae subfam. Amygdaloideae tribe Kerrieae • Black Jetbead
Rhus aromatica
• Anacardiaceae • Fragrant Sumac
Rhus aromatica 'Gro-Low'
• Anacardiaceae • Gro-Low Fragrant Sumac
Rhus canadensis (syn.)
• Anacardiaceae • Fragrant Sumac
Rhus copallinum var. copallinum
• Anacardiaceae • Shining Sumac
Rhus glabra
• Anacardiaceae • Smooth Sumac
Rhus trilobata
• Anacardiaceae • Skunkbush
Rhus typhina
• Anacardiaceae • Staghorn Sumac
Rhus typhina 'Bailtiger'
• Anacardiaceae • Tiger Eyes Staghorn Sumac
Rhus typhina 'Dissecta'
• Anacardiaceae • Cut-leaf Staghorn Sumac
Rhus typhina 'Laciniata'
• Anacardiaceae • Cutleaf Staghorn Sumac
Ribes americanum
• Grossulariaceae • American Black Currant
Ribes cynosbati
• Grossulariaceae • Prickly Gooseberry
Ribes glandulosum
• Grossulariaceae • Skunk Currant
Ribes rotundifolium
• Grossulariaceae • Appalachian Gooseberry
Robinia pseudoacacia
• Leguminosae • Black-locust
Rosa (Easy Elegance Series Group) 'Baioad'
• Rosaceae subfam. Rosoideae tribe Rosodae • Yellow Brick Road Rose
Rosa (Easy Elegance Series Group) 'Yellow Brick Road' (syn.)
• Rosaceae subfam. Rosoideae tribe Rosodae • Yellow Brick Road Rose
Rosa altaica (syn.)
• Rosaceae subfam. Rosoideae tribe Rosodae • Scotch Rose
Rosa canina
• Rosaceae subfam. Rosoideae tribe Rosodae • Dog Rose
Rosa dumetorum (syn.)
• Rosaceae subfam. Rosoideae tribe Rosodae • Dog Rose
Rosa glauca
• Rosaceae subfam. Rosoideae tribe Rosodae • Redleaf Rose
Rosa 'Henry Hudson'
• Rosaceae subfam. Rosoideae tribe Rosodae • Henry Hudson Explorer Rose
Rosa multiflora
• Rosaceae subfam. Rosoideae tribe Rosodae • Multiflora Rose
Rosa palustris
• Rosaceae subfam. Rosoideae tribe Rosodae • Swamp Rose
Rosa polyantha (syn.)
• Rosaceae subfam. Rosoideae tribe Rosodae • Multiflora Rose
Rosa 'Radsunny'
• Rosaceae subfam. Rosoideae tribe Rosodae • Sunny Knock Out® Rose
Rosa rubrifolia (syn.)
• Rosaceae subfam. Rosoideae tribe Rosodae • Redleaf Rose
Rosa rugosa f. alba
• Rosaceae subfam. Rosoideae tribe Rosodae • White Rugosa Rose
Rosa setigera
• Rosaceae subfam. Rosoideae tribe Rosodae • Prairie Rose
Rosa spinosissima
• Rosaceae subfam. Rosoideae tribe Rosodae • Scotch Rose
Rosa spinosissima var. altaica (syn.)
• Rosaceae subfam. Rosoideae tribe Rosodae • Scotch Rose
Rosa spinosissima var. hispida (syn.)
• Rosaceae subfam. Rosoideae tribe Rosodae • Scotch Rose
Rubus allegheniensis
• Rosaceae subfam. Rosoideae tribe Rubeae
Rubus arcticus subsp. arcticus
• Rosaceae subfam. Rosoideae tribe Rubeae
Rubus canadensis
• Rosaceae subfam. Rosoideae tribe Rubeae • Smooth Blackberry
Rubus flagellaris
• Rosaceae subfam. Rosoideae tribe Rubeae • Northern Dewberry
Rubus idaeus subsp. strigosus
• Rosaceae subfam. Rosoideae tribe Rubeae • North American Red Raspberry
Rubus occidentalis
• Rosaceae subfam. Rosoideae tribe Rubeae • Black Raspberry
Rubus odoratus
• Rosaceae subfam. Rosoideae tribe Rubeae • Purple-flowering Raspberry
Rubus parviflorus
• Rosaceae subfam. Rosoideae tribe Rubeae • Western Thimbleberry
Rubus setosus
• Rosaceae subfam. Rosoideae tribe Rubeae • Bristly Blackberry
Rubus strigosus (syn.)
• Rosaceae subfam. Rosoideae tribe Rubeae • North American Red Raspberry