Magnus Lidén, Tatsundo Fukuhara, Johan Rylander, Bengt Oxelman: Phylogeny and classification of Fumariaceae, with emphasis on Dicentra s. l., based on the plastid gene rps16 intron. In: Plant Systematics and Evolution. Band206, Nr.1-4, März 1997, S.411–420, doi:10.1007/BF00987960.