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| University of California Herbarium | |
|---|---|
| Name | University of California Herbarium |
| Location | Berkeley, California |
| Established | 1890s |
| Type | Academic herbarium |
| Collections | Vascular plants, bryophytes, lichens, fungi, algae |
| Specimens | >2,000,000 |
| Director | (see Facilities and Staff) |
University of California Herbarium is a major botanical collection housed at the University of California, Berkeley that supports taxonomy, systematics, ecology, conservation, and historical biogeography. The herbarium serves researchers, curators, students, and land managers by preserving plant, fungal, algal, bryophyte, and lichen specimens and associated data. It interfaces with academic programs, government agencies, museums, botanical gardens, and citizen science initiatives.
The herbarium traces roots to the late 19th century when figures such as Edward Lee Greene, William Russell Dudley, Alice Eastwood, Sereno Watson, and William Henry Brewer assembled collections that complemented the nascent University of California, Berkeley campus. Early growth involved exchanges with institutions including the Royal Botanic Gardens, Kew, the United States National Herbarium, the California Academy of Sciences, the Missouri Botanical Garden, and the Field Museum of Natural History. Prominent botanists and collectors linked to its history include Jepson, Carl Purdy, Charles Christopher Parry, John Torrey, Asa Gray, George Bentham, Joseph Dalton Hooker, David Douglas, Archibald Menzies, Frederick Clements, Forest Shreve, Ralph Hoffmann, and Edward Palmer. The herbarium expanded through donations and surveys associated with events such as the Lewis and Clark Expedition-era collections, the California Gold Rush era botanical surveys, and 20th-century federal projects like the Works Progress Administration botanical surveys. Twentieth- and twenty-first-century directors and curators collaborated with agencies including the United States Forest Service, the National Park Service, the California Department of Fish and Wildlife, the Smithsonian Institution, and international partners such as the Australian National Herbarium.
Specimens encompass vascular plants, bryophytes, lichens, fungi, and algae, with strengths in the floras of California, the Pacific Northwest, the Sierra Nevada, the Sonoran Desert, the Chihuahuan Desert, the Mediterranean Basin, the Andes, and the Hawaiian Islands. Historic collections include type specimens associated with taxonomists like Thomas Nuttall, John Torrey, George Bentham, and Asa Gray. Holdings feature specimens from notable collectors such as Marianne North, John Muir, Charles Darwin-era correspondents, Harriet Margaret Louisa Loring, Frederick V. Coville, Luther Burbank, E. O. Wooton, Thomas J. Howell, and Marcus E. Jones. The fungal and lichen holdings connect to specialists like William Nylander, Erik Acharius, Rolf Singer, and Elias Magnus Fries. The collection includes archives, field notes, botanical illustrations, and historical correspondences with institutions such as the Biodiversity Heritage Library, the Garden Club of America, the Royal Society, the Natural History Museum, London, and the Botanical Society of America.
Research at the herbarium spans taxonomy, phylogenetics, conservation biology, and historical ecology, often collaborating with universities like Stanford University, University of California, Davis, University of California, Santa Barbara, University of California, Riverside, University of California, Santa Cruz, University of California, Irvine, and international centers such as the Max Planck Society, the Smithsonian Institution, the Royal Botanic Gardens, Kew, and the Missouri Botanical Garden. Curatorial work follows standards set by groups like the International Association for Plant Taxonomy, the Consortium of European Taxonomic Facilities, and the Society for the Preservation of Natural History Collections. Projects have produced monographs, floras, and checklists connected to outlets such as Madroño (journal), Systematic Botany, Taxon (journal), American Journal of Botany, and the Proceedings of the National Academy of Sciences. Collaborations include genetic sequencing efforts with facilities like the Broad Institute and phylogeographic studies with researchers at the University of Oxford and the University of California Museum of Paleontology.
The herbarium supports undergraduate and graduate courses at University of California, Berkeley, museum exhibits with the University and Jepson Herbaria, public programs with partners like the California Native Plant Society, the Montgomery Botanical Center, the San Francisco Botanical Garden, the Oakland Museum of California, and K–12 curricula in coordination with the California Department of Education. Outreach includes citizen science projects with platforms such as iNaturalist, community herbarium workshops with the Botanical Society of America, and training for volunteers affiliated with the National Audubon Society and the Sierra Club. Educational materials have been used in partnership with the Smithsonian Institution Traveling Exhibition Service and regional conservation plans from the California Coastal Conservancy.
Facilities include climate-controlled storage, specialized microscopy labs, a molecular lab shared with departments including Department of Integrative Biology (UC Berkeley), digitization imaging suites, and archival spaces coordinated with the Bancroft Library. Staff and leaders historically and currently engage with scholars such as directors, curators, collection managers, and technicians who collaborate with academic chairs and institutes like the Museum of Vertebrate Zoology, the Jepson Herbarium, the Herbaria Curators Consortium, and the California Native Plant Society. Administrative relationships exist with the Chancellor of the University of California, Berkeley, the College of Letters and Science (UC Berkeley), and campus facilities units.
Digitization initiatives follow standards promoted by the Global Biodiversity Information Facility, the Integrated Digitized Biocollections (iDigBio), and the Consortium of California Herbaria. Specimen imaging, label transcription, and databasing integrate with portals like the Biodiversity Heritage Library, Calflora, NatureServe, and the Atlas of Living Australia. Data mobilization supports analyses in climate change studies referenced alongside datasets from the Intergovernmental Panel on Climate Change, spatial layers from US Geological Survey, and conservation assessments aligned with the International Union for Conservation of Nature. Collaborative digitization grants have been pursued with the National Science Foundation, the Packard Foundation, the Gordon and Betty Moore Foundation, and regional philanthropic partners.
Access policies balance specimen loans, on-site research visits, and digital data sharing with legal frameworks that reference agreements like the Convention on Biological Diversity and partnerships with institutions such as the California Department of Parks and Recreation, the United States Fish and Wildlife Service, the Nature Conservancy, the Botanic Gardens Conservation International, and international herbaria including the New York Botanical Garden and Royal Botanic Garden Edinburgh. Collaborative networks include the Consortium of California Herbaria, the Biodiversity Informatics Consortium, regional universities, municipal herbaria, and private collections to support floristic inventories, environmental impact assessments, and species recovery plans.
Category:Herbaria in California Category:University of California, Berkeley