Herbarium collection of the Institute of Ecology of the Volga river basin of RAS (PVB): results of the 2023 field season

The results of replenishment of the herbarium collection of the Institute of Ecology of the Volga Basin of the Russian Academy of Sciences (PVB) for the field season 2023 have been summarized. The total amount of receipts to the fund amounted to 960 herbarium sheets. The main part of them is represented by herbarium collections of employees of the Laboratory of Ecosystem Research of the IEB RAS during the study of vegetation cover in the territories of three regions: Samara, Penza and Ulyanovsk. The specific points of botanical research, the number of herbarium collections and the finds of certain rare species are indicated. The most valuable information is on the distribution of species of the Orchidaceae, Oxalidaceae families, as well as the genus Alchemilla in the territories of the Ulyanovsk and Penza regions.