گزارش دو گونه جدید از جنس cousinia cass. برای فلور ایران از خراسان

cousinia glochidiata (sect. pseudactinia) and c. albiflora (bornm. & sint.) bornm. (sect. stenocephalae), two narrow endemics to kopetdagh mountains, are newly recorded for the flora of iran from razavi and north khorassan provinces near the borders of turkmenistan. the presence of c. apiculata tscherneva in iran is confirmed. new localities and additional notes on the distribution and conservation status of some cousinia endemic species to khorassan-kopetdagh floristic province are provided.