{{Cite book| publisher = Belin| isbn = 978-2-7011-5263-9| last1 = Thomas| first1 = Régis| last2 = Busti| first2 = David| last3 = Maillard| first3 = Margarethe| title = Petite flore de France, Belgique, uxembour, Suisse| date = 2016}}