**Code**: [COLO](https://sweetgum.nybg.org/science/ih/herbarium-details/?irn=126641) **Organization**: University of Colorado Museum of Natural History **Location**: Boulder, Colorado, U.S.A. **Total number of specimens**: 553000 **Current status**: Active **Date founded**: 1890 **Taxonomic coverage**: All groups **Geographic coverage**: Worldwide, emphasis on arctic and mountain areas; Galápagos; Colorado; Altai; Australia; New Guinea; Mexico **Incorporated herbaria**: Lichens and hepatics (9200 specimens) of CM in 1981, part of COLOM, part of UT (Seville Flowers bryophytes). **Important collectors**: R. Bye, A. Eastwood, J. A. Ewan, S. Flowers, C. W. T. Penland, V. Vašák, W. A. Weber **Notes**: Updated Jan 2018 (collection details). The holdings of the herbarium are now known as the William A. Weber Collections, but the name of the herbarium remains the University of Colorado Herbarium. Drs. Pamela Diggle and Ronald Wittmann are research associates at COLO. **Date modified in Index Herbariorum**: 2022-02-09 > [!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.