Rhaphidophora graeffei Engl. -- samoan. Name: pau tutuga
Rhaphidophora reineckei Engl. -- samoan. Name: pau tutuga
Rhizophora mangle L. -- samoan. Name: togo togo
Ricinus communis L. -- samoan. Name: lama pâlagi
Rorippa sarmentosa (DC.) Macbr. -- samoan. Name: a'atasi

Saccharum officinarum L. -- samoan. Name: tolo
Santalum spp. -- samoan. Name: asi manogi
Sarcopygme spp. -- samoan. Name: u'unu
Scaevola frutescens (Mill.) Krause -- Synonym von Scaevola taccada (Gaertn.) Roxb.
Scaevola koenigii Vahl -- Synonym von Scaevola taccada (Gaertn.) Roxb.
Scaevola taccada (Gaertn.) Roxb. -- samoan. Name: to'ito'i
Schizostachyum glaucifolium (Rupr.) Munro -- samoan. Name: 'ofe ('ofe samoa)
Senna alata (L.) Roxb. -- samoan. Name: la'au fai lafa
Senna sophera (L.) Roxb. -- samoan. Name: la'au tinei lafa
Sida acuta Burm.f. -- samoan. Name: mautofu I
Sida rhombifolia L. -- samoan. Name: mautofu I
Solanum spp. -- samoan. Name: polo
Spondias dulcis Park. -- samoan. Name: vî
Stachytarpheta spp. -- samoan. Name: mautofu tala
Stachytarpheta jamaicensis (L.) Vahl -- samoan. Name: mautofu tala
Stephania forsteri (DC.) A.Gray -- samoan. Name: laui'atolo
Syzygium spp. -- samoan. Name: nonu togi, samoan. Name: seasea toto
Syzygium corynocarpum (A.Gray) C.Muell. -- samoan. Name: seasea
Syzygium inophylloides (A.Gray) C.Muell. -- samoan. Name: asi
Syzygium malaccense (L.) Merr. et Perry -- samoan. Name: nonu fi'afi'a
Syzygium neurocalyx (A.Gray) Christoph. -- samoan. Name: fena
Syzygium samarangense (Bl.) Merr. et Perry -- samoan. Name: nonu 'ai

Tacca leontopetaloides (L.) O.Kuntze -- samoan. Name: mâsoâ
Tacca pinnatifida Forst. -- Synonym von Tacca leontopetaloides (L.) O.Kuntze
Tagetes erecta L. -- samoan. Name: makerita
Tamarindus indica L. -- samoan. Name: tamaligi
Tarenna sambucina (Forst.f.) Dur. ex Drake -- samoan. Name: ma'anunu II
Terminalia spp. -- samoan. Name: talie
Terminalia catappa L. -- samoan. Name: talie
Terminalia cf. samoensis Rech. -- samoan. Name: talie
Terminalia littoralis Seem. -- samoan. Name: talie
Theobroma cacao L. -- samoan. Name: koko
Thespesia populnea (L.) Sol. ex Corr. -- samoan. Name: milo
Timonius forsteri DC. -- samoan. Name: aloalo tane
Timonius inconspicuus Krämer -- Synonym von Timonius forsteri DC.
Tournefortia argentea L.f. -- Synonym von Argusia argentea (L.f.) Heine
Trema cannabina Lour. -- samoan. Name: mâgele II
Trema orientalis (L.) Bl. -- samoan. Name: mâgele II
Triumfetta procumbens Forst.f. -- samoan. Name: mautofu tai

Urena lobata L. -- samoan. Name: mautofu II
Urtica spp. -- samoan. Name: ogoogo
Urtica interrupta L. -- Synonym von Laportea interrupta (L.) Chew
Usnea articulata Hoffm. -- samoan. Name: limu mea