Redbay Redberry Stopper
Redbud (spp.) Redbud 'Appalachia'
Redbud 'Flame' Redbud 'Forest Pansy'
Redbud 'Hearts of Gold' Redbud 'JN2 (The Rising Sun™)'
Redbud 'Royal White' Redbud 'Silver Cloud'
Redbud 'Wither's Pink Charm' Redbud, Afgan
Redbud, Chinese 'Shirobana' Redbud, Chinese White
Redbud, Eastern (spp.) Redbud, Eastern 'Appalachia'
Redbud, Eastern 'Flame' Redbud, Eastern 'Forest Pansy'
Redbud, Eastern 'Hearts of Gold' Redbud, Eastern 'JN2 (The Rising Sun™)'
Redbud, Eastern 'Royal White' Redbud, Eastern 'Silver Cloud'
Redbud, Eastern 'Wither's Pink Charm' Redbud, Giant
Redbud, Giant Leaf Redbud, Griffith's
Redbud, Mexican Redbud, Oklahoma 'Oklahoma'
Redbud, Oklahoma 'Texas White' Redbud, Smooth
Redbud, Texas (spp.) Redbud: siliquastrum
Redbud: yunnanensis 'Redmond' American Linden
Redroot: oliganthus Redroot: oliganthus sorediathus
Redshanks 'Redspire' Callery Pear
'Redstart' Photinia Redvein Enkianthus
Redvein Maple Redwood, California (spp.)
Redwood, California 'Filoli' Redwood, California 'Prostrata'
Redwood, California 'Soquel' Redwood, Coast (spp.)
Redwood, Coast 'Filoli' Redwood, Coast 'Prostrata'
Redwood, Coast 'Soquel' Redwood, Dawn (spp.)
Redwood, Dawn 'Gold Rush' Redwood, Dawn 'Spire'
Redwood, Giant (spp.) Redwood, Giant Weeping
Redwood, Sierra (spp.) Redwood, Sierra Weeping
Reed Palm Reflexed Dracaena (spp.)
Reflexed Dracaena 'Song of India' Reflexed Dracaena 'Song of Jamaica'
'Regal' Hybrid Elm 'Regal Red' Crapemyrtle: indica
'Regent' Japanese Pagoda Tree 'Rein's Dense Jade' Japanese Cedar
'Rependens' Colorado Red Cedar 'Rev. John G. Drayton' Japanese Camellia
'Revolution Green' Paperbark Rhododendron, Great White
Rhododendron: auriculatum Rhododendron: calophytum
Rhododendron: fulvum Rhododendron: grande grandia
Rhododendron: protistum grandia Rhododendron: rubiginosum
Rhododendron: strigillosum Rhodoleia
Ribbon Fan Palm Ribbonwood
Riberry 'Rigid Dwarf' Hinoki False Cypress
Rimu Ring Cupped Oak
Rising Sun Maple River Birch (spp.)
River Birch 'Summer Cascade' River Birch: nigra minor
River Jam River Maple (spp.)
River Maple 'Beebe' River Maple 'Pyramidale'
River Maple 'Silver Queen' River Maple 'Skinneri'
River Maple 'Wieri' River Red Eucalyptus
River Red Gum 'Riversii' European Beech
Robby 'Robin Hill' Apple Serviceberry
'Robinson' Flowering Crabapple