{{Cite book| publisher = Jeanne-d'Arc| isbn = 2-911794-73-7| last1 = Tort| first1 = Maryse| last2 = Antonetti| first2 = Philippe| last3 = Belin| first3 = Bernard| last4 = Portal| first4 = Robert| title = Guide de la flore de Haute-Loire Tome 2| date = 2008}}