ARKive's most wanted species listed alphabetically by scientific name
| Scientific name | Common name | Status |
|---|---|---|
| Salvia curticalyx | VU | |
| Salvia herbanica | CR | |
| Salvia leucocephala | VU | |
| Salvia loxensis | EN | |
| Salvia peregrina | EN | |
| Salvia trachyphylla | VU | |
| Salvia unguella | EN | |
| Sambucus tigranii | Muchlenbergella Overina | VU |
| Samoana abbreviata | Short Samoan Tree Snail | CR |
| Samoana bellula | Polynesian Tree Snail | CR |
| Samoana conica | EN | |
| Samoana dryas | Polynesian Tree Snail | CR |
| Samoana fragilis | Tree Snail | CR |
| Samoana hamadryas | Polynesian Tree Snail | CR |
| Samoana inflata | Polynesian Tree Snail | EX |
| Samoana jackieburchi | Polynesian Tree Snail | EX |
| Samoana margaritae | Polynesian Tree Snail | VU |
| Samoana oreas | Polynesian Tree Snail | CR |
| Samoana strigata | Polynesian Tree Snail | CR |
| Samoana thurstoni | EN | |
| Samyda glabrata | VU | |
| Samyda villosa | VU | |
| Sanopus greenfieldorum | Whitelined Toadfish | VU |
| Sanopus reticulatus | Reticulated Toadfish | VU |
| Sanrafaelia ruffonammari | EN | |
| Santalum fernandezianum | EX | |
| Santalum macgregorii | Sandalwood | EN |
| Santiria dacryodifolia | VU | |
| Santiria impressinervis | VU | |
| Santiria nigricans | VU | |
| Santiria sarawakana | VU | |
| Santolina elegans | VU | |
| Sapho puella | EN | |
| Sapindus oahuensis | VU | |
| Sapium aubrevillei | VU | |
| Sapium bourgeaui | VU | |
| Sapium luzonicum | VU | |
| Sapium saltense | VU | |
| Sapium triloculare | VU | |
| Saprosma scabridum | EN | |
| Sarasaeschna niisatoi | VU | |
| Sarawakodendron filamentosum | VU | |
| Sarcolaena delphinensis | EN | |
| Sarcolaena grandiflora | CR | |
| Sarcolaena humbertiana | CR | |
| Sarcolaena isaloensis | CR | |
| Sarcomelicope glauca | CR | |
| Sarcomphalus havanensis | EN | |
| Sarcophrynium villosum | EN | |
| Sarcotheca ochracea | VU |