Montazerolghaem, S., Rahiminejad, M.R., Mozaffarian, V. & Susanna, A. (2016)

Taxonomic notes on the genus Echinops (Compositae, Cardueae–Echinopsinae) in Iran

. Phytotaxa 263 (2): 81–97. https://doi.org/10.11646/phytotaxa.263.2.1