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A new species, Astragalus maltsevii Knjaz. et Verkhozina (sect. Helmia Bunge), from the Baikal Siberia is described; its differences from A. depauperatus Ledeb., A. ionae Palib. ex Gontsch. et Popov, and A. macrolobus M. Bieb. are specified.
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Knyazev et al. (2023) studied this question.
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