Description: English: A flowering capitulum of sulfur star-thistle, Centaurea sulphurea. Date: 29 April 2010, 12:37:57. Source: Own work. Author: Daniel Montesinos.
Description: English: A flowering capitulum of sulfur star-thistle, Centaurea sulphurea. Date: 29 April 2010, 12:37:51. Source: Own work. Author: Daniel Montesinos.
