Red Gum, Red River Gum
Red Justicia
Red Push Pistache
Red Queen's Wreath
Red Spike Iceplant
Red Yucca
Red-Cap Gum
River She-Oak
Rock Pea
Rock Penstemon
Rock Slide Dicliptera
Rocky Mountain Penstemon
Rocky Point Ice Plant
Rodney's Aster
Rose or Small Mallee
Rosemary
Rosemary Collingwood Ingram
Rosemary Huntington Carpet
Rosemary Tuscan Blue
Rough Daisy Devil's River