Wisconsin State Herbarium

Wisconsin State Herbarium
Name	Wisconsin State Herbarium
Established	1894
Location	Madison, Wisconsin, United States
Type	Herbarium, Research Collection
Director	Doug Parmenter
Affiliations	University of Wisconsin–Madison, Wisconsin State Laboratory of Hygiene, Wisconsin Department of Natural Resources
Collections	Vascular plants, Bryophytes, Fungi, Lichens, Algae, Type specimens

Wisconsin State Herbarium The Wisconsin State Herbarium is a major botanical repository housed at the University of Wisconsin–Madison that documents the floristic diversity of Wisconsin and the Upper Midwest. The Herbarium serves as a research collection, reference library, and educational resource for scholars from institutions such as the Field Museum, Missouri Botanical Garden, New York Botanical Garden, and agencies including the Smithsonian Institution and the United States Department of Agriculture. Its specimen-based holdings underpin conservation assessments by the Nature Conservancy, biogeographic syntheses by the American Society of Plant Taxonomists, and regional checklists used by the Wisconsin Department of Natural Resources.

History

The Herbarium traces institutional roots to botanical teaching and collecting activities at the University of Wisconsin–Madison in the late 19th century, with early contributors connected to figures at the Wisconsin Historical Society and the Botanical Club of Wisconsin. Growth accelerated through exchanges with collectors associated with the Smithsonian Institution, the Chicago Field Museum, and private donors who corresponded with curators at the Royal Botanic Gardens, Kew and the Missouri Botanical Garden. During the 20th century the Herbarium expanded under leadership linked to academic networks including the Botanical Society of America, the International Association for Plant Taxonomy, and the American Bryological and Lichenological Society, acquiring notable regional and type material. Cooperative projects with the United States Geological Survey and the Wisconsin Geological and Natural History Survey further integrated specimen data into statewide ecological inventories.

Collections and Holdings

The Herbarium's holdings encompass vascular plants, bryophytes, fungi, lichens, and algae, including historically significant type specimens acquired via exchanges with institutions such as the Harvard University Herbaria, the Royal Botanic Gardens, Kew, and the New York Botanical Garden. Collections emphasize the flora of Wisconsin, the Upper Midwest, and Great Lakes, with extensive representation from ecosystems studied by researchers at the Wisconsin Arboretum, the National Park Service units in the region, and state natural areas administered by the Wisconsin Department of Natural Resources. Holdings include specimens collected by notable botanists associated with the American Philosophical Society, the Academy of Natural Sciences of Drexel University, and regional fieldworkers who corresponded with the Missouri Botanical Garden and the Gray Herbarium. The Herbarium maintains type specimens, historical floras, and voucher material supporting floristic treatments in outlets such as the Madroño journal and monographs published by the University of Wisconsin Press.

Research and Publications

Research conducted at the Herbarium spans systematics, floristics, biogeography, and conservation biology, often in collaboration with scholars at the University of Wisconsin–Madison Department of Botany, the Wisconsin Cooperative Fish and Wildlife Research Unit, and international partners including the Royal Botanic Gardens, Kew. Curators and associates contribute to peer-reviewed journals like Systematic Botany, Taxon, Brittonia, and regionally focused outlets such as the Great Lakes Entomologist and Madroño. The Herbarium supports monographic work, regional floras, and checklist projects for organizations including the Botanical Society of America and the NatureServe network, and its data inform conservation listings by the United States Fish and Wildlife Service and assessments by the International Union for Conservation of Nature. Collaborative digitization and databasing efforts produce specimen datasets integrated with the Global Biodiversity Information Facility and used in ecological niche modeling for taxa of concern highlighted by the Wisconsin Natural Heritage Program.

Education and Outreach

Outreach programs connect the Herbarium with students in courses at the University of Wisconsin–Madison, teachers involved with the Wisconsin Center for Education Research, citizen scientists organized by the Wisconsin Native Plant Society, and volunteers engaged through partnerships with the Madison Audubon Society and local chapters of the Native Plant Society of Texas for comparative projects. Workshops and field trips support curricula in plant taxonomy offered by departments such as the Department of Botany and the Department of Forest and Wildlife Ecology, while collaborative events with the Wisconsin Historical Society and the Wisconsin Academy of Sciences, Arts & Letters showcase historical collections. Public-facing initiatives include specimen identification days, contributions to statewide flora projects coordinated with the Wisconsin Department of Natural Resources, and online resources used by educators affiliated with the National Science Teachers Association.

Facilities and Digitization

Specimens are housed in climate-controlled herbarium cabinets located within university collection facilities shared with units like the University of Wisconsin–Madison Libraries and the Wisconsin State Laboratory of Hygiene. The Herbarium leads digitization projects using imaging workflows aligned with standards from the Consortium of European Taxonomic Facilities and data pipelines contributing to the Global Biodiversity Information Facility and the Integrated Digitized Biocollections network. Digital specimen records and georeferenced locality data are integrated with mapping platforms used by the United States Geological Survey and conservation planning tools used by the Nature Conservancy. Infrastructure upgrades have been supported by grants from agencies such as the National Science Foundation and foundations including the Andrew W. Mellon Foundation.

Staff and Governance

Governance is administered through the University of Wisconsin–Madison with curatorial leadership and staff who collaborate with statewide partners including the Wisconsin Department of Natural Resources and national networks such as the Consortium of Herbaria. The professional team includes curators, collection managers, digitization technicians, and student interns affiliated with academic programs at the University of Wisconsin–Madison and professional societies like the Society for the Preservation of Natural History Collections. Advisory input comes from researchers at institutions such as the Missouri Botanical Garden, the New York Botanical Garden, and regional conservation organizations including the Ice Age Trail Alliance.

Category:Herbaria in the United States Category:University of Wisconsin–Madison