AESCHIMANN, D. et al.. Index synonymique de la flore de Suisse, 2. ed. In: Documenta Floristicae Helvetiae N° 2 [online]. infoflora.ch, 2005, [cit. 2019-12-29]. Dostupné online. (Poznámka: Tu sa explicitne rozlišuje C. cardunculus v širšom zmysle a C. cardunculus v užšom zmysle)
ipk-gatersleben.de
mansfeld.ipk-gatersleben.de
Dr. Jörg Ochsmann, Dr. Gisela Weber, Dr. Ram Narang IPK Gatersleben. Datenvollafp [online]. mansfeld.ipk-gatersleben.de, [cit. 2019-12-29]. Dostupné online.
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Gatto, Angela & De Paola, Domenico & Bagnoli, Francesca & Giovanni Giuseppe, Vendramin & Sonnante, Gabriella. (2013). Population structure of Cynara cardunculus complex and the origin of the conspecific crops artichoke and cardoon. Annals of botany. [3]