Five color photographs of Portulaca pilosa, an annual flowering plant from the Purslane family found on sand or heavier soils in openings, prairies, and waste lands and along roads.

Two color photographs of Prosopis glandulosa, (also known as honey mesquite), a deciduous shrub or tree from the Pea family found on most soils, but infrequent on coastal sands.

Two color photographs of Psilostrophe gnaphaloides (also known as paperflower), a perennial flowering plant from the Aster family found on dry sand or caliche of the Texas Coastal Bend.

Two color photographs of Quercus, (also known as oak), a deciduous or evergreen shrub or tree from the Oak family found in the Texas Coastal Bend.

One color photograph of Rhus microphylla (also known as desert sumac or correosa), a flowering plant from the Sumac family found occasionally on dry sand or caliche.

Two color photographs of Rhynchospora colorata, (also known as beakrush), a perennial plant from the Sedge family found in moist sandy depressions and swales along the coast from Aransas Refuge to Flour Bluff.

Four color photographs of Ricinus communis, (also known as castor bean), a perennial flowering plant from the Spurge family found in stream bottoms, coastal woods, and waste places.

Four color photographs of Rubus riograndis, (also known as dewberry), an evergreen perennial from the Rose family found along streams and in ravines, oak mottes, and coastal woods.

Two color photographs of Rumex hastatulus, (also known as dock), an annual flowering plant from the Buckwheat family found in sandy prairies and openings.

Four color photographs of Ruppia maritima, (also known as wigeongrass), a perennial flowering plant from the Wigeongrass family found in salty, brackish, or alkaline waters in bays, estuaries, sloughs, lakes, and ponds.