1. Of America and Eurasia and Australia
   - moonwort, common moonwort

Type of: grape fern

• genus Saimiri
• genus Saintpaulia
• genus Salamandra
• genus Salicornia
• genus Salix
• genus Salmo
• genus Salmonella
• genus Salpa
• genus Salpichroa
• genus Salpiglossis
• genus Salpinctes
• genus Salsola
• genus Salvadora
• genus Salvelinus
• genus Salvia
• genus Salvinia
• genus Sambucus
• genus Samia
• genus Samolus
• genus Sanguinaria
• genus Sanicula
• genus Sansevieria
• genus Santalum
• genus Santolina
• genus Sanvitalia