Rhetinantha acuminata 
Rhodolirium montanum 
Rhyncholaeliocattleya King of Taiwan 
Rigid Blue Yucca 
River Lily 
Robert's Orchid 
Robiquetia cerina 
Rocky Mountain iris 
Rodriguez' Maxillaria 
Rodriguezia lehmannii 
Roman Dactylorhiza 
Romulea bulbocodium 
Romulea fischeri 
Romulea nivalis 
rosepink zephyr lily 
Rosepink Zephyr Lily 
Rosy garlic 
Rosy hyacinth orchid 
Rotschilds slipper orchid 
Round-headed Leek 
Rufous Tiger Orchid 
Rush Fringe-Lily 
Rush Lily 
Rust-red ascocentrum