Doronkin, V., Vlasova, N. and Pinzhenina, E. 2019. Type specimens of the names of the families Betulaceae, Ranunculaceae, Asparagaceae and Tofieldiaceae taxa in collection of M. G. Popov Herbarium (NSK). Acta Biologica Sibirica. 5, 2 (Jun. 2019), 23-29. DOI:https://doi.org/10.14258/abs.v5.i2.5927.