Two color photographs of Sabatia, (also known as saltmarsh pink or meadow pink) an annual flowering plant from the Gentian family found on sandy soils.

One color photograph of Sabatia campestris, (also known as meadow pink or Texas star), an annual flowering plant from the Gentian family found on damp sandy soils in prairies and openings along the coast

Five color photographs of Salicornia bigelovii (also known as annual glasswort), an annual flowering plant from the Pigweed family found in salt marshes and tidal flats and along bay and island beaches of the Texas Coastal Bend.

Four color photographs of Salix nigra, (also known as black willow), a deciduous tree from the Willow family found along streams and in damp soils.

Two color photographs of Salvia ballotiflora (also known as shrubby sage), a flowering plant from the Mint family found on caliche ridges or better-drained sandy and clayey loams.

Two color photographs of Salvia texana (also known as sage), a perennial flowering plant from the Mint family found on caliche ridges.

Four color photographs of Sapindus saponaria, (also known as soapberry), a deciduous tree from the Soapberry family found in sandy mottes and woods or along streams.

Three color photographs of Schaefferia cuneifolia (also known as desert yaupon), a flowering plant from the Bittersweet family found in brushy pastures of the Texas Coastal Bend.

One color photograph of Scutellaria (also known as skullcap), a perennial flowering plant from the Mint family found on various soils in the Texas Coastal Bend.

One color photograph of Senecio tampicanus (also known as ragwort), an annual flowering plant from the Aster family found in prairies, openings, stream bottoms, and waste places of the Texas Coastal Bend.