Euphrasia ultima merupakan tumbuhan hemiparasit berumur semusim dari famili Orobanchaceae. Tumbuhan ini berasal dari bioma beriklim sedang di wilayah Alpen selatan.
POWO (2024). "Plants of the World Online. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet; https://powo.science.kew.org/."
IPNI (2024). "International Plant Names Index. Published on the Internet http://www.ipni.org, The Royal Botanic Gardens, Kew, Harvard University Herbaria & Libraries, and Australian National Herbarium"
