?Cirsium acaulon subsp. gregarium

?Cirsium acaulon subsp. gregarium

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 acaulon subsp. gregarium (DC.) Talavera in Lagascalia 4: 291. 1974
  • ≡Cirsium acaulon var. gregarium DC., Prodr. 7: 305. 1838
  • ≡Cirsium gregarium (DC.) Willk. in Willkomm & Lange, Prodr. Fl. Hispan. 2: 189. 1865

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