Additional identifications: Centaurea fischeri Schltdl. var. purpurea (DC.) Sosnowsky⁣ det. Busch, Elizaveta Aleksandrovna, Busch, Nikolai Adolfovich (Nikolaj Adolfowitsch) at 07.08.1931; Type of Centaurea willdenowii Czerep.⁣ det. Czerepanov, Sergei Kirillovich at 06.1958 Collectors: Busch, Elizaveta Aleksandrovna; Busch, Nikolai Adolfovich (Nikolaj Adolfowitsch) Collection date: 07.08.1931. A ...