Cirsium heldreichii subsp. euboicum
Synonymy
Source: Greuter, W. (2006+): Compositae (pro parte majore). – In: Greuter, W. & Raab-Straube, E. von (ed.): Compositae. Euro+Med Plantbase - the information resource for Euro-Mediterranean plant diversity.
Cirsium heldreichii subsp. euboicum in Bot. Jahrb. Syst. 80: 420. 1961