An oak is a tree or shrub in the genus Quercus (/ ˈ k w ɜːr k ə s /; Latin "oak tree") of the beech family, Fagaceae.There are approximately 500 extant species of oaks. The common name "oak" also appears in the names of species in related genera, notably Lithocarpus (stone oaks), as well as in those of unrelated species such as Grevillea robusta (silky oaks) and the Casuarinaceae …

A woodland (/ ˈ w ʊ d l ə n d / ()) is, in the broad sense, land covered with trees, or in a narrow sense, synonymous with wood (or in the U.S., the plurale tantum woods), a low-density forest forming open habitats with plenty of sunlight and limited shade (see differences between British, American, and Australian English explained below). Woodlands may support an understory of …