List other families
Salicaceae
Casearia flexuosa
Santalaceae
Thesium pyrenaicum
Sapindaceae
Japanese maple, palmate maple, smooth Japanese maple
Sapotaceae
Chrysophyllum imperiale
Sarraceniaceae
Darlingtonia californica
Saururaceae
Houttuynia cordata
Saxifragaceae
yellow marsh saxifrage, marsh saxifrage, bog saxifrage
Scheuchzeriaceae
Rannoch-rush, pod grass
Schisandraceae
Henry anise tree, Chinese anise tree
Schizaeaceae
climbing maidenhair fern, Old World climbing fern, small-leaf climbing fern, snake fern
Schoepfiaceae
Quinchamalium chilense
Scrophulariaceae
great mullein, greater mullein, common mullein
Selaginellaceae
Selaginella apoda
Smilacaceae
common smilax, rough bindweed, sarsaparille, Mediterranean smilax
Solanaceae
Nolana galapagensis
Sphaerocarpaceae
Texas balloonwort
Stegnospermataceae
Stegnosperma cubense
Stemonaceae
Stemona curtisii
Stilbaceae
Transvaal shellflower bush
Strelitziaceae
giant white bird of paradise, wild banana
Stylidiaceae
Queen triggerplant
Styracaceae
Pterostyrax hispidus