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Negaresh, K., Rahiminejad, M.R. and Ranjbar, M. 2014.

A taxonomic study on Centaurea sect. Rhizocalathium and C. sect. Pseudoseridia (Asteraceae, Cardueae–Centaureinae) in Iran

. Phytotaxa. 174, 1 (Jul. 2014), 43–60. DOI:https://doi.org/10.11646/phytotaxa.174.1.3.