A checklist of the genus Cyanus (Asteraceae, Cardueae) in Turkey, with notes on taxonomy and distribution Author Negaresh, Kazem text Phytotaxa 2022 2022-01-13 531 1 18 40 journal article 2589 10.11646/phytotaxa.531.1.2 34f59dae-4d36-4e24-a4d9-86a4817c4809 1179-3163 5843470 5. Cyanus eflanensis Kaya & Bancheva (2009: 175) . Centaurea eflanensis (Kaya & Bancheva) Şirin & Ertuğrul (2019: 540) . Type :— TURKEY . Karabük (A4): 10 km W of Eflani town , on dry grassy places in open pine forest, 1020–1031 m , 41° 20′ 25.7″ N , 32° 42′ 1.9″ E , 6 June 2007 , Kaya & Bancheva 84027 ( holotype ISTE!, isotypes SOM!, W 2007-0026035!). Distribution: Cyanus eflanensis is a very rare endemic of Karabük Province , N Turkey ( Fig. 4 ).