Celtis aetnensis - Images of this species. Celtis sinensis - Closeup image of this species. Celtis australis - Photo of branch of this tree. Celtis trinervia - Description of this tree and photographs of shoots and leaves. Celtis iguanaea - Description and photographs of this spiny climbing plant. Celtis laevigata - Information on distribution and occurrence, value and use, characteristics, and fire ecology. Celtis occidentalis - Information on distribution and occurrence, value and use, characteristics, and fire ecology. Celtis reticulata - Information on distribution and occurrence, value and use, characteristics, and fire ecology. Celtis occidentalis: Hackberry - Tree identification fact sheet with description and photos of the leaf, flower, fruit, twig, bark and form. Celtis laevigata var. laevigata: Sugarberry - Factsheet with description and images of leaf, inflorescence, twig, fruit, bark and form.