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H. alpinum plants growing on the trial plot (AIMAP, Moscow) (a) and wild populations of H. alpinum (the Zabaikalye region) (b), H. theinum (the Altai Mountains) (c), H. hedysaroides (the Magadan region) (d), H. flavescens (AIMAP, Moscow) (e) and H. neglectum (the Altai region) (f). The photos were taken by S.I. Romashkina (a,e) and I.Yu. Selyutina (b–d,f).
