The Avon Wheatbelt is a bioregion in Western Australia. It has an area of 9,517,104 hectares. It is considered part of the larger Southwest Australia savanna ecoregion.

Eucalyptus salmonophloia, commonly known as salmon gum, wurak or weerluk or woonert or marrlinja. is a species of small to medium-sized tree that is endemic to Western Australia. It has smooth bark, narrow lance-shaped to curved adult leaves, flower buds in groups of between nine and thirteen, creamy white flowers and hemispherical fruit.