 | Botanical: Sambucus australasica Common: Native Elderberry Family: Adoxaceae / Caprifoliaceae |
 | Botanical: Sambucus gaudichaudiana Common: White Elderberry Family: Adoxaceae / Caprifoliaceae |
 | Botanical: Santalum lanceolatum Common: Northern Sandalwood Family: Santalaceae |
 | Botanical: Santalum obtusifolium Common: Southern Sandalwood Family: Santalaceae |
 | Botanical: Sarcomelicope simplicifolia ssp. simplicifolia Common: Yellow Aspen Family: Rutaceae |
 | Botanical: Sarcopetalum harveyanum Common: Pearl Vine Family: Menispermaceae |
 | Botanical: Sarcopteryx stipata Common: Steelwood Family: Sapindaceae |
 | Botanical: Sarcostemma brunonianum Common: Caustic Vine Family: Apocynaceae |
 | Botanical: Sauropus albiflorus Common: Showy Sauropus Family: Phyllanthaceae |
 | Botanical: Schefflera actinophylla Common: Umbrella Tree Family: Araliaceae |
 | Botanical: Schinus areira Common: Pepper Tree Family: Anacardiaceae |
 | Botanical: Schinus terebinthifolia Common: Broad-leaved Pepper Tree Family: Anacardiaceae |
 | Botanical: Schizomeria ovata Common: Crabapple Family: Cunoniaceae |
 | Botanical: Scolopia braunii Common: Flintwood Family: Salicaceae / Flacourtiaceae |
 | Botanical: Secamone elliptica Common: Corky Milk Vine Family: Apocynaceae |
 | Botanical: Senna acclinis Common: Brush Senna Family: Caesalpiniaceae |
 | Botanical: Senna barronfieldii (syn. Senna odorata) Common: Fragrant Senna Family: Caesalpiniaceae |
 | Botanical: Senna coronilloides Common: Brigalow Senna Family: Caesalpiniaceae |
 | Botanical: Senna gaudichaudii Common: Blunt-leaved Senna Family: Caesalpiniaceae |
 | Botanical: Senna pendula var. glabrata Common: Winter Senna, Easter Cassia Family: Caesalpiniaceae |
 | Botanical: Senna septemptrionalis Common: Smooth Cassia Family: Caesalpiniaceae |
 | Botanical: Senna sophera var. sophera Common: Pepper-leaved Senna Family: Caesalpiniaceae |
 | Botanical: Sicyos australis Common: Star Cucumber Family: Cucurbitaceae |
 | Botanical: Siphonodon australe Common: Ivorywood Family: Celastraceae |
 | Botanical: Sloanea australis ssp. australis Common: Maiden's Blush Family: Elaeocarpaceae |
 | Botanical: Sloanea macbrydei Common: Northern Yellow Carabeen Family: Elaeocarpaceae |
 | Botanical: Sloanea woollsii Common: Yellow Carabeen Family: Elaeocarpaceae |
 | Botanical: Smilax australis Common: Barbed-wire Vine, Austral Sarsaparilla Family: Smilacaceae |
 | Botanical: Smilax glyciphylla Common: Sweet Sarsaparilla Family: Smilacaceae |
 | Botanical: Solanum acanthodapis Common: Nightcap Solanum Family: Solanaceae |
 | Botanical: Solanum aviculare Common: Kangaroo Apple Family: Solanaceae |
 | Botanical: Solanum betaceum Common: Tamarillo Family: Solanaceae |
 | Botanical: Solanum capsicoides Common: Devil's Apple Family: Solanaceae |
 | Botanical: Solanum chrysotrichum Common: Giant Devil's Fig Family: Solanaceae |
 | Botanical: Solanum corifolium Common: Straggling Nightshade Family: Solanaceae |
 | Botanical: Solanum densevestitum Common: Felty Nightshade Family: Solanaceae |
 | Botanical: Solanum ditrichum Common: Mt Maroon Nightshade Family: Solanaceae |
 | Botanical: Solanum erianthum Common: Flannel Bush Family: Solanaceae |
 | Botanical: Solanum furfuraceum Common: Corky Nightshade Family: Solanaceae |
 | Botanical: Solanum hapalum Common: Furry Nightshade Family: Solanaceae |
 | Botanical: Solanum inaequilaterum Common: Brush Nightshade Family: Solanaceae |
 | Botanical: Solanum latens Common: Kingaroy Nightshade Family: Solanaceae |
 | Botanical: Solanum mauritianum Common: Wild Tobacco Family: Solanaceae |
 | Botanical: Solanum mitchellianum Common: Western Prickly Nightshade Family: Solanaceae |
 | Botanical: Solanum nobile Common: Tall Nightshade Family: Solanaceae |
 | Botanical: Solanum parvifolium ssp. parvifolium Common: Small-leaved Nightshade Family: Solanaceae |
 | Botanical: Solanum prinophyllum Common: Southern Forest Nightshade Family: Solanaceae |
 | Botanical: Solanum pseudocapsicum Common: Jerusalem Cherry Family: Solanaceae |
 | Botanical: Solanum pungetium Common: Jagged Nightshade Family: Solanaceae |
 | Botanical: Solanum rixosum Common: Variable Nightshade Family: Solanaceae |
 | Botanical: Solanum seaforthianum Common: Climbing Nightshade Family: Solanaceae |
 | Botanical: Solanum semiarmatum Common: Prickly Nightshade Family: Solanaceae |
 | Botanical: Solanum serpens Common: Hoop Pine Solanum Family: Solanaceae |
 | Botanical: Solanum shirleyanum Common: Straggling Nightshade Family: Solanaceae |
 | Botanical: Solanum stelligerum Common: Star Nightshade Family: Solanaceae |
 | Botanical: Solanum torvum Common: Devil's Fig Family: Solanaceae |
 | Botanical: Solanum viridifolium Common: Green-leaved Nightshade Family: Solanaceae |
 | Botanical: Sophora fraseri Common: Brush Sophora Family: Fabaceae |
 | Botanical: Spartothamnella juncea Common: Square-stemmed Broom Family: Lamiaceae |
 | Botanical: Stenocarpus salignus Common: Scrub Beefwood Family: Proteaceae |
 | Botanical: Stenocarpus sinuatus Common: Firewheel Tree Family: Proteaceae |
 | Botanical: Stephania japonica var. discolor Common: Snake Vine Family: Menispermaceae |
 | Botanical: Sterculia quadrifida Common: Red-fruited Kurrajong Family: Malvaceae / Sterculiaceae |
 | Botanical: Streblus brunonianus Common: Whalebone Tree Family: Moraceae |
 | Botanical: Streptothamnus moorei Common: Coast Redberry Vine Family: Berberidopsidaceae |
 | Botanical: Strychnos psilosperma Common: Strychnine Tree Family: Loganiaceae |
 | Botanical: Syagrus romanzoffianum Common: Queen Palm, Cocos Palm Family: Arecaceae |
 | Botanical: Symplocos baeuerlenii Common: Small-leaved Hazelwood Family: Symplocaceae |
 | Botanical: Symplocos harroldii Common: Hairy Hazelwood Family: Symplocaceae |
 | Botanical: Symplocos stawellii Common: White Hazelwood Family: Symplocaceae |
 | Botanical: Syncarpia glomulifera ssp. glomulifera Common: Turpentine Family: Myrtaceae |
 | Botanical: Syncarpia hillii Common: Satinay Family: Myrtaceae |
 | Botanical: Synoum glandulosum Common: Scentless Rosewood Family: Meliaceae |
 | Botanical: Syzygium anisatum (syn. Backhousia anisata) Common: Aniseed Myrtle, Ringwood Family: Myrtaceae |
 | Botanical: Syzygium australe Common: Brush Cherry Family: Myrtaceae |
 | Botanical: Syzygium corynanthum Common: Sour Cherry Family: Myrtaceae |
 | Botanical: Syzygium crebrinerve Common: Purple Cherry Family: Myrtaceae |
 | Botanical: Syzygium floribundum (syn. Waterhousea floribundum) Common: Weeping Lilly Pilly, Weeping Satinash Family: Myrtaceae |
 | Botanical: Syzygium fraseri Common: Francis' Water Gum, Giant Water Gum Family: Myrtaceae |
 | Botanical: Syzygium hemilamprum ssp. hemilamprum Common: Broad-leaved Lilly Pilly Family: Myrtaceae |
 | Botanical: Syzygium hodgkinsoniae Common: Red Lilly Pilly Family: Myrtaceae |
 | Botanical: Syzygium ingens (syn. Acmena ingens) Common: Red Apple Family: Myrtaceae |
 | Botanical: Syzygium johnsonii Common: Johnson's Satinash, Rose Satinash Family: Myrtaceae |
 | Botanical: Syzygium luehmannii Common: Riberry, Cherry Satinash Family: Myrtaceae |
 | Botanical: Syzygium moorei Common: Durobby, Coolamon Family: Myrtaceae |
 | Botanical: Syzygium oleosum Common: Blue Lilly Pilly Family: Myrtaceae |
 | Botanical: Syzygium paniculatum Common: Magenta Lilly Pilly Family: Myrtaceae |
 | Botanical: Syzygium smithii Common: Lilly Pilly Family: Myrtaceae |
 | Botanical: Syzygium smithii narrow-leaf form Common: Creek Lilly Pilly Family: Myrtaceae |