Burma

Sanicula trifoliata (largefruit blacksnakeroot)
Sao Tome and Principe
Sarcocornia perennis (chickenclaws)
Sarracenia purpurea (purple pitcherplant)
Sassafras albidum (sassafras)
Satureja montana
Saudi Arabia
Saururus cernuus (lizard's tail)
Saxifraga cernua (nodding saxifrage)
Saxifraga exarata
Saxifraga foliolosa (leafystem saxifrage)
Saxifraga glabella
Saxifraga granulata
Saxifraga hirculus ssp. hirculus (yellow marsh saxifrage)
Saxifraga nivalis (alpine saxifrage)
Saxifraga oppositifolia
Saxifraga paniculata
Saxifraga rivularis (weak saxifrage)
Saxifraga rosacea
Saxifraga texana (Texas saxifrage)
Saxifraga tricuspidata (three toothed saxifrage)
Saxifraga tridactylites
Saxifraga umbrosa
Scabiosa columbaria
Scabiosa lucida
Scabiosa silenifolia
Schedonnardus paniculatus (tumblegrass)
Schedonorus pratensis (meadow fescue)
Scheuchzeria palustris (rannoch-rush)

Image of Burma 1
Flags of the World From the World Factbook 2009 Public Domain Image