• Adler (1994), S.884
• Binz (1986), S.505
• Flora Gallica (2014), S.294
• Flora Helvetica (2012), Nr.2403
• Flora Iberica (2007), S.79
• Flora Italiana - Link (15.11.2022)
• Hess (1976ff), Bd.1, S.204
• info flora - Link (15.11.2022)
• Markgraf (1981), S.241f
• Oberdorfer (2001), Nr.118
• Pignatti (1982), Vol.3, Nr.4527
• Rothmaler (2002), S.144
• Tela Botanica - Link (14.11.2022)
• Wiegleb (1998), S.297
• World Flora Online - Link (14.11.2022)

T.Voekler, CC BY-SA 3.0 , via Wikimedia Commons