• Adler (1994), S.880
• CCDB - Link (25.8.2022)
• Binz (1986), S.502
• Flora Gallica (2014), S.135
• Flora Helvetica (2012), Nr.2381
• Flora Iberica (2007), S.41ff
• Flora Italiana - Link (26.8.2022)
• Hess (1976ff), Bd. 3, S.224
• info flora - Link (26.8.2022)
• Markgraf (1981), S.184ff
• Oberdorfer (2001), Nr.156
• Pignatti (1982), Vol.3, Nr.4503
• Rothmaler (2002), S.136
• Tela Botanica - Link (26.8.2022)
• World Flora Online - Link (25.8.2022)

Von Lamiot - Eigenes Werk, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=34724528