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What is the Herbarium?

The Ted R. Bradley Herbarium is an internationally-recognized scientific collection of dried, pressed plant specimens that are maintained for research and teaching. Its specimens are prepared with archival-quality materials, are intended to last for centuries, and are loaned to researchers nationwide and around the world.

Herbarium specimens at the Ted R. Bradley Herbarium in Exploratory Hall. Credit: Photo by Evan Cantwell/Creative Services/George Mason University.

An Introduction to the George Mason University Herbarium

The Ted R. Bradley Herbarium engages the next generation of botanists and champions the careful stewardship of Virginia’s plant diversity through hands-on education, collections-based research, and public outreach.

Mission

The Ted R. Bradley Herbarium engages the next generation of botanists and champions the careful stewardship of Virginia’s plant diversity through hands-on education, collections-based research, and public outreach.

Vision

The Ted R. Bradley Herbarium will grow as a regional center for plant diversity education and locally-relevant research that advances our understanding of and ability to preserve Virginia’s flora.

Educating the next-generation of botanists at Mason

The herbarium provides teaching resources for multiple university courses and research materials for undergraduate projects and graduate theses and dissertations. The herbarium sponsors an undergraduate student intern through the Turnage Trust Internship Program with Meadowlark Botanical Garden. Since 2015, the herbarium has been working with undergraduate students through the Patriot Green Fund program in developing the George Mason University Arboretum on the Fairfax campus.

Clockwise from top left: 2015 BIOL344 class field trip to Turkey Run Park; 2017 BIOL344 class field trip to the US Botanical Garden; herbarium presses for 2015 BIOL345 class project; students from 2015 BIOL345 preparing their herbarium specimens. Credit: Photos by Andrea Weeks.

Collections-Based Research at Mason and Beyond

History: The collection was begun in 1967 by its first curator in the Department of Biology, Professor Ted Bradley. Dr. Bradley added thousands of collections over the course of his career and was instrumental in developing the Atlas of the Virginia Flora. By the time he retired in 2003, he had expanded the collection to over 60,000 specimens of vascular plants, non-vascular plants and lichens.

Left: Dr. Ted Bradley collecting plants in the 1970’s. Right: Mason undergraduate student digitizing herbarium specimens. Credits: Left – image from Ted R. Bradley Herbarium slide collection; Right – photo by Evan Cantwell/Creative Services/George Mason University.

Herbarium Specimen Curation for Global Research

With support from the National Science Foundation (EF-1410086 “Digitization TCN: Collaborative Research: The Key to the Cabinets: Building and sustaining a research database for a global biodiversity hotspot) and the Virginia Native Plant Society, all Virginian vascular plant herbarium specimens of the Ted R. Bradley herbarium have been digitized and are searchable at sernecportal.org.

Public Outreach

The herbarium hosts tours for members of the broader Mason community, children’s groups such as Girl Scout troops, and civic organizations such as the Vienna Garden Club, the Virginia Native Plant Society and the American Chestnut Foundation. Community engagement activities have included sponsoring a native plant rescue on campus, a workshop at the Sally Ride Science Festival, and training Virginia Master Naturalists.

Left: Workshop for the Virginia Master Naturalists held at the Smithsonian-Mason Campus in Front Royal, 2017. Right: Workshop for the Virginia Native Plant Society held at the Ted R. Bradley Herbarium, 2016. Credits: Left – photo by Andrea Weeks; Right – photo by Karoline Oldham.

Additional Information

Contact: Dr. Andrea Weeks

Campus Location: Exploratory Hall, L109 and L110

Policies for Visitors and Loans: GMUF Policies and Procedures

Shipping Address:

Department of Biology – Ted R. Bradley Herbarium
George Mason University
4400 University Drive MSN 3E1
Fairfax, Virginia 22030
USA

 

Left: Live specimen of Virginia native plant, Chrysogonum virginianum (common name: Green and Gold). Right: Herbarium specimen of Chrysogonum virginianum showing the pressed plant and the detailed collection label. Credits: Left – photo by Andrea Weeks; Right – image from the Ted R. Bradley Herbarium collection.