**Code**: [PKM](https://sweetgum.nybg.org/science/ih/herbarium-details/?irn=126941) **Organization**: Penza State University **Location**: Penza, Russia **Total number of specimens**: 170000 **Current status**: Active **Date founded**: 1894 **Geographic coverage**: Central Volga, Penza, and adjacent areas **Important collectors**: I. I. Sprygin, A. A. Solyanov, E. A. Gorodkova, B. P. Satserdotov, M. G. Popov, A. I. Vvedensky, T. B. Vernander, V. I. Smirnov, N. V. Dyukina, G. A. Bozhanov, E. K. Shtuckenberg, S. V. Povelyev, A. A. Onuchkova-Bulavkina, A. A. Uranov **Notes**: Updated Dec 2017. In 2014, the Certificate of the Institute of Ecology of the Volga Basin of the Russian Academy of Sciences and the UNESCO Chair “Study and Preservation of the Ecosystems’ Biodiversity of the Volga River Basin” was received, which confirms that the Ivan I. Sprygin Herbarium (1894), registered in The Index Herbariorum international database, having an acronym PKM, is the largest herbarium in the Volga region, having the most important world level collection, and being recognized as the national property of Russia. **Date modified in Index Herbariorum**: 2018-02-06 > [!cite] This page is automatically generated • Data on this page were obtained from [Index Herbariorum](https://sweetgum.nybg.org/science/ih/) on 2023-08-23. • Meaning of acronyms in TL-2 is not always the same as in IH. Consult list of original [[Abbreviations|abbreviations]] if you suspect acronym mismatch.