Box-Ironbark forest has a canopy of box, ironbark and gum-barked eucalypts, growing to 25 m in height. Below them is an understorey of wattles, small-leaved and prostrate shrubs, herbs and grasses. The main trees are White Box, Red Box, Red Ironbark, Mugga Ironbark, Yellow Gum and Red Stringybark. In some areas they may grow with, or be replaced by, Yellow Box, Long-leaf Box or Silver Bundy. The mix of plants in the groundcover includes the largest concentrations of orchids of any Victorian ecosystem. Small herbs and shrubs found in Box-Ironbark forests include "Cheiranthera cyanaea", "Philotheca verrucosa", "Xerochrysum viscosum", "Pultenaea largiflorens", "Acacia williamsonii" and "Stuartina muelleri".