Taxonomic status: Unresolved

homotypic synonyms:
Carduus casabonae L.; Cirsium casabonae (L.) DC.; Cnicus casabonae (L.) Roth; Lamyra casabonae (L.) Tamamsch.; Ptilostemon casabonae (L.) Greuter;

protologue: Novit. Bot. & Del. Sem. Hort. Bot. Univ. Carol. Prag. 46 (1962). : 46 (1962)
URL protologue: https://archive.org/stream/#page/46/mode/2up

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