One color photograph of Spiranthes vernalis, (also known as ladies tresses), a perennial flowering plant from the Orchid family found in moist low grounds along the coast from Aransas Refuge to Flour Bluff and the barrier islands.

Three color photographs of Stachys drummondii (also known as hedge nettle), an annual-biennial flowering plant from the Mint family found on various soils in pastures and woods.

Four color photographs of Stillingia treculiana, a perennial flowering plant from the Spurge family found in Kleberg County and Duval County.

Four color photographs of Strophostyles helvula, (also known as wild bean), an annual vine from the Pea family found on the barrier islands and along bay beaches.

One color photograph of Symphyotrichum (also known as aster), a perennial or annual flowering plant from the Aster family found in the Texas Coastal Bend.

One color photograph of Talinum aurantiacum, (also known as flame-flower), a perennial flowering plant from the Purslane family found on sand or clay in pastures and woods opening.

Two color photographs of Teucrium cubense (also known as germander), a perennial flowering plant from the Mint family found on heavier sands or clay in pastures and woods.

Two color photographs of Thamnosma texana, (also known as desert rue), a perennial flowering plant from the Citrus family found on dry sand or caliche near Mathis, Orange Grove, and Goliad County.

Three color photographs of Thelocactus setispinus (also known as twisted rib), a flowering plant from the Cactus family found in pastures and woods of the Texas Coastal Bend.

Four color photographs of Tillandsia baileyi (also known as reflexed airplant), a perennial flowering plant from the Pineapple family found south of the Nueces River in the Texas Coastal Bend.