**Code**: [REG](https://sweetgum.nybg.org/science/ih/herbarium-details/?irn=126509) **Organization**: Regensburgische Botanische Gesellschaft **Location**: Regensburg, Germany **Total number of specimens**: 140000 **Current status**: Active **Date founded**: 1804 **Geographic coverage**: Germany, especially Regensburg and Bavaria; Europe. **Important collectors**: P. W. Wirtgen, F. L. von Welden, J. Familler **Notes**: Updated Aug 2014 (correspondent contact information updated). Regensburgische Botanische Gesellschaft is the oldest existing botanical society in the world (founded in 1790). **Date modified in Index Herbariorum**: 2018-01-12 > [!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.