Images and Flowering Plants of Hawaii Listed by plant family and then scientific name. Images shown but not detail on location. Many images have common name and some have a brief description. Texas and Oklahoma Plant Image Gallery Indicates photograph and basic description of grasses or glasslike plants, forbs, trees, shrubs, and wood vines. Can be searched by common name, scientific name, season, growing conditions.
Plants are primarily for Texas and Oklahoma but many are relevant to Arizona and other arid lands.
Plants Gallery from US Department of Agriculture Find plants by basic description or name. Includes description and distribution.