Salix cf. exigua Nutt

Pliocene

Rita Blanca Formation

Oldham County, TX USA.

47mm stem on 76mm slab.

Plant.

Salix is a plant genus perhaps best known to include willows.  It dates back to at least the Late Cretaceous of North America.

The species, Salix exigua, is the modern sandbar willow.  It’s native to the western U.S.