[Cal-IPC] Invasive: Festuca myuros (rat-tail fescue) is an annual grass (family Poaceae) widely distributed in California. This species is one of many introduced annual grasses that reduces habitat for native perennial grasses. Cal-IPC Rating: Moderate (link added by Mary Ann Machi)

[powo.science.kew.org] Europe, Taiwan, Sri Lanka, Macaronesia, Arabian Peninsula, N. Tanzania native range: The native range of this species is Europe to Taiwan and Sri Lanka, Macaronesia to Arabian Peninsula and N. Tanzania. It is an annual and grows primarily in the temperate biome. It is used as animal food and a medicine and has environmental uses. (link added by Mary Ann Machi)