The flora of Karaçavuş (Haçreş) mountains (Muş)

This study was carried out to determine the Flora of the Karaçavuş (Haçreş) Mountains belonging to center of Muş province. A total of 845 plant samples were collected in the study area between the years 2020-2022, and 67 families, 260 genera and 571 taxa were identified. Two of these taxa are members of Pteridophyta and 569 of them are members of Spermatophyta division. Eight of the taxa belonging to the Spermatophyta division are subdivision Gymnospermae; 561 of them are members of the Angiospermae subdivision. Of the plants remaining from the Angiospermae subdivision, 495 of them belong to the class Dicotyledones and 66 of them belong to the class Monocotyledones. Distribution of taxa in the study area according to phytogeographic regions: Iran-Turanian 156 (27.5%), Euro-Siberian 47 (8.2%), Mediterranean 20 (3.5%), and the number of taxa with multi-regional or unknown phytogeography is 345 (54 %). The first ten families with the most taxa in the study area; Asteraceae (79 takson-% 13.4), Fabaceae (51 takson,-% 9), Poaceae (47 takson-% 8.2), Lamiaceae (43 taskon-% 7.5), Rosaceae (36 takson-% 6.3), Brassicaceae (28 taskon-% 4.9), Boraginaceae (28 takson-% 4.9), Caryophyllaceae (24 takson-% 3.6), Apiaceae (19 takson-% 3.3), Plantaginaceae (14 takson-% 2.4)'dir. The genera containing the most taxa are; Astragalus (13) Trifolium (11), Salvia (11), Centaurea (10), Renunculus (8), Myosotis (7), Allium (7) Achillea (6)'dır. The number of endemic taxa is 27 and this rate is %4.8'dir. The IUCN threatened classifications of the detected endemic taxa are as follows: LC (19), VU (5), EN (1) ve CR (2).