Trees: Rubb - Sava (100)
Rubber Euphorbia 'Red Pencil Tree'
Rubber Plant, Small-leaved (spp.)
Rubber Plant, Small-leaved 'Indigo'
Rubber Plant, Small-leaved 'Jacqueline'
Rubber Plant, Small-leaved 'Monique'
Rubber Plant, Small-leaved 'Spire'
Rubber Plant, Small-leaved Variegated
Rubber Tree (spp.)
Rubber Tree 'Decora'
Rubber Tree 'Doescheri'
Rubber Tree, Hardy
Rubber Tree, India (spp.)
Rubber Tree, India 'Decora'
Rubber Tree, India 'Doescheri'
'Rubra' Star Magnolia
'Rubro-petiolata' Red Horsechestnut
'Ruby' Katsura Tree
Ruby Red Horsechestnut (spp.)
Ruby Red Horsechestnut 'Briotii'
Ruby Red Horsechestnut 'Rubro-petiolata'
'Ruby Teardrops' Colorado Spruce
'Russet' Southern Magnolia
Russian Hawthorn
Russian Juniper
Russian Olive
'Rustica Rubra' Saucer Magnolia: soulangianahybrid
Rusty Black Viburnum (spp.)
Rusty Black Viburnum 'Emerald Charm™'
Rusty Blackhaw (spp.)
Rusty Blackhaw 'Emerald Charm™'
Rusty Fig (spp.)
Rusty Fig Variegated
Rusty Jacket
Rusty Kurrajong
'Ryusen' Japanese Maple
'Ryuzu' Japanese Maple
Sachalin Corktree
Sachalin Spruce
Sacred Fig
'Sagara nishiki' Japanese Maple
Saho Palm
'Saint Mary' Southern Magnolia
Sakhalin Fir
'Saku' Japanese Maple
Salt Bush
Salt-water Paperbark
'Samuel Sommer' Southern Magnolia
'Samurai' China Fir
San Bartolome
'San Jose' Holly
Sand Live Oak
Sand Pear
Sand Pine
Sandbox Tree
Sandmat Manzanita
'Sango kaku' Japanese Maple
Sanguinaria
'Sanguineum' Japanese Maple
Santa Cruz Kauri
Santa Lucia Fir
Santa Maria
Santa Maria: calaba
'Santa Rosa' Laurel Magnolia
Sapodilla
'Sapporo Autumn Gold' Hybrid Elm
'Sara-Sa' Japanese Camellia
'Saratoga' Ginkgo
Sargent Cherry (spp.)
Sargent Cherry 'Columnaris'
Sargent Crabapple 'Tina'
'Sargentii' Ohio Buckeye
Saskatoon Serviceberry (spp.)
Sassafras
Sassafras, Chinese
Sassafras, Common
Satin Leaf
Satin Wood
Satinash, Cherry
Satinash, Rose
'Satinleaf' Southern Magnolia
Satinwood
Satsuma Orange
'Satyr Hill' American Holly
Saucer Magnolia 'Leonard Messel'
Saucer Magnolia: soulangianahybrid (spp.)
Saucer Magnolia: soulangianahybrid 'Alexandrina'
Saucer Magnolia: soulangianahybrid 'Amabilis'
Saucer Magnolia: soulangianahybrid 'Coates'
Saucer Magnolia: soulangianahybrid 'Joe McDaniel'
Saucer Magnolia: soulangianahybrid 'Lennei'
Saucer Magnolia: soulangianahybrid 'Lennei Alba'
Saucer Magnolia: soulangianahybrid 'Orchid'
Saucer Magnolia: soulangianahybrid 'Picture'
Saucer Magnolia: soulangianahybrid 'Pristine'
Saucer Magnolia: soulangianahybrid 'Purple Prince'
Saucer Magnolia: soulangianahybrid 'Rustica Rubra'
Saucer Magnolia: soulangianahybrid 'Speciosa'
Saucer Magnolia: soulangianahybrid 'Triumphans'
Sausage Tree
'Savannah' Topal Holly