Centaurea pseudoscabiosa subsp. pseudoscabiosa IRAN. Prov. West Azerbaijan: mountains of W Bazaragan, stony slopes, 1380–1500 m, 25 June 2015, Negaresh & Pakzad 225 (KHAU!; HSB!); Negaresh & Pakzad 226 (KHAU!); Negaresh & Pakzad 227 (KHAU!); Khoy, 3 km after Balagock, 2100 m, 23 June 2012, Negaresh & Ranjbar 29849 (BASU!, KHAU!); Chaldoran toward Avajigh, before Harmlou village, 1800–1900 m, 24 June 2012, Negaresh & Ranjbar 31005 (BASU!, KHAU!: two sheets); Salmas, Kouzaresh, Ali Bolagh village, 2000–2100 m, 24 June 2012, Negaresh & Ranjbar 29834 (BASU!, KHAU!); between Rud-e Aland and Qeris, NW Khvoy, 2100 m, Rechinger 49486 (W!); 30 km S Khvoy toward Shahpur, 1500 m, Rechinger 41788 (W!); in valley Outor, W Khvoy, 1300–1500 m, Rechinger 41754 (W!); Kuh-e Kani, Ziarat, N Habashi Bala, 2500–3000 m, Rechinger 49717 (W!); Ghogeh Dagh, mountains of W Bazaragan, 2100–2250 m, Rechinger 43792 (W!); between Shahpur and Rezaieh, 1700 m, Rechinger 49823 (W!). Prov. East Azerbaijan: Zonuz, 1630 m, 25 June 2012, Negaresh & Ranjbar 29362 (BASU!, KHAU!: two sheets). Prov. Zanjan: 20 km after Dandy toward Takab, 2030–2050 m, 14 June 2012, Negaresh & Ranjbar 31502 (BASU!, KHAU!); 40 km to Mahneshan, first neck, 1700 m, 12 July 2009, Ranjbar et al. 22802 (BASU!). Prov. Hamedan: Avaj, Soltan Bolagh, 2120–2150 m, 14 June 2012, Negaresh & Ranjbar 29250 (BASU!, KHAU!); Hamedan to Avaj, 17 km to Avaj, 2050 m, 22 July 2011, Negaresh & Ranjbar 27414 (BASU!); Yalfan, 1978 m, 13 July 2011, Tolui 28530 (BASU!). Prov. Kurdestan: 40 km to Divandarreh, 1987 m, 21 July 2009, Ranjbar et al. 22764 (BASU!); 50–60 km N Sanandaj, near Hossein Abad, 2000 m, Rechinger 42729 (W!); 25 km E Sanandaj near Salavat Abad, 2300 m, Rechinger 42791 (W!); 33 km NW of Divandarreh toward Saqqez, 2100 m, Rechinger 48603 (W!). Prov. Qazvin: 80 km to Moallem Kalaieh, 1620 m, 10 July 2012, Negaresh & Ranjbar 30052 (BASU!).

Published as part of Negaresh, Kazem, Yousefi, Zohreh & Kaya, Yusuf, 2023, A new species of Centaurea sect. Acrocentron (Asteraceae, Cardueae) from Iran, pp. 37-50 in Phytotaxa 597 (1) on page 46, DOI: 10.11646/phytotaxa.597.1.5, http://zenodo.org/record/7918782