[1]
López, E. and Devesa, J.A. 2008. Taxonomic notes on genus Centaurea L. (Asteraceae) in the Iberian Peninsula. I. C. cordubensis Font Quer, C. bethurica E. López & Devesa, sp. Nov., and C. schousboei Lange. Anales del Jardín Botánico de Madrid. 65, 2 (Dec. 2008), 331–341. DOI:https://doi.org/10.3989/ajbm.2008.v65.i2.296.