Centaurea hanryi subsp. hanryi Centaurea hanryi subsp. shuttleworthii Centaurea hanryi subsp. isernii Centaurea hanryi subsp. spinabadia
Centaurea spinabadia subsp. hanryi Centaurea limbata subsp. hanryi Centaurea caerulescens subsp. hanryi Centaurea paniculata subsp. hanryi Centaurea spina-badia Acosta hanryi
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024