The present study was conducted to determine the prevalence of species of the genus stipa in different areas in Iraq. By studing the sources and spacement preserved in Baghdad University Herbarium and (BUH) and field survey. Where the results showed that there are nine species of the genus stipa (S. capensis, S. hohenackenana, S. barbata, S. bromoides, S. pulcherima, S. lagascae, S. tortilis, S. parviflora, S. kurdistanica) distributed in four regions: Desert, Steppe, Mountain-Forest, Mountain Region, and showed in tables and illustrated maps to describe the results in details. Stipa sp. Are belonging to Poaceae family (Gramineae), which are one of the most large and economical families, It`s commonly known as a Grasses. One of this grasses is the Genus Stipa it`s considered as food for many animals and as fodder for the cattle, fresh or dried.