1. Catalogue of life: http://www.catalogueoflife.org/annual-checklist/2017/browse/classification/name/Primulaceae
2. The Plant List: http://www.theplantlist.org/tpl1.1/search?q=Primula+veris+
3. Tutin TG, Heywood VH, Burges NA, et al (1964–1980) Flora europaea (vol. 1–5). Cambridge University Press, Cambridge
4. Bruneton J (2016) Pharmacognosie, phytochimie, plantes médicinales. 4e édition. Lavoisier/Tec & Doc, Paris, pp 1039–41
5. Wikimedia: https://upload.wikimedia.org/wikipedia/commons/thumb/5/55/Primula_veris.jpg/800px-Primula_veris.jpg