Rhamnus carolinianus Rhamnus catharticus
Rhamnus crocea Rhamnus frangulus 'Asplenifolia'
Rhamnus frangulus 'Ron Williams (Fine LineŽ)' Rhaphiolepis x delacourii
Rhaphiolepis indica Rhaphiolepis indica 'Olivia'
Rhapidophyllum hystrix Rhododendron (subgenus Azalea) 'Girard's Fuchsia'
Rhododendron atlanticum Rhododendron calendulaceum
Rhododendron canescens Rhododendron catawbiense
Rhododendron catawbiense 'A. Bedford' Rhododendron catawbiense 'Album'
Rhododendron catawbiense 'America' Rhododendron catawbiense 'Baden Baden'
Rhododendron catawbiense 'Blue Ensign' Rhododendron catawbiense 'Blue Peter'
Rhododendron catawbiense 'Boursault' Rhododendron catawbiense 'Cheer'
Rhododendron catawbiense 'Dora Amateis' Rhododendron catawbiense 'English Roseum'
Rhododendron catawbiense 'Furnival's Daughter' Rhododendron catawbiense 'Grandiflorum'
Rhododendron catawbiense 'Ignatius Sargent' Rhododendron catawbiense 'Janet Blair'
Rhododendron catawbiense 'Jean Marie de Montaque' Rhododendron catawbiense 'Lee's Dark Purple'
Rhododendron catawbiense 'Mary Belle' Rhododendron catawbiense 'Nova Zembla'
Rhododendron catawbiense 'Purple Lace' Rhododendron catawbiense 'Roseum Elegans'
Rhododendron catawbiense 'Unique' Rhododendron catawbiense 'Vivacious'
Rhododendron catawbiense 'Vulcan's Flame' Rhododendron maximum
Rhododendron maximum 'Golden Lights' Rhododendron maximum 'Great Laurel'
Rhododendron maximum 'Mandrin Lights' Rhododendron periclymenoides
Rhododendron viscosum Rhopalostylis sapida
Rhus aromatica Rhus aromatica 'Green Globe'
Rhus aromatica 'Gro-low' Rhus copallina
Rhus glabra Rhus trilobata
Rhus typhina Rhus typhina 'Lanciniata'
Ribes aureum var. gracillimum Ribes speciosum
Ribes viburnifolium