George Safford Torrey Herbarium
- Searchable index of plants, plus information on the institution, which was started in 1915 and is located on the campus of the University of Connecticut in Storrs.
- http://bgbaseserver.eeb.uconn.edu/

National Herbarium of Trinidad and Tobago
- Collection of scientific plant specimens, and some of the history behind one of the oldest Herbaria in the New World.
- http://users.carib-link.net/~rfbarnes/herb.htm

Rocky Mountain Herbarium
- Facility of the University of Wyoming in Laramie, featuring the largest collection of plant specimens native to the Rocky Mountain area. Information about visiting, collections, and floristic research.
- http://www.rmh.uwyo.edu/

Michigan State University Herbarium
- Descriptions of the over 530,000 specimens, hours, and loan/exchange policies. Located in East Lansing.
- http://herbarium.msu.edu/

University of Tennessee Herbarium
- Databases of fungi, bryophytes, and vascular plants in the collection, located in Knoxville.
- http://tenn.bio.utk.edu/

University of Florida Herbarium (FLAS)
- The herbarium and the associated paleobotanical collection have combined holdings of approximately 1/2 million specimens. Includes library search, catalog, and project information.
- http://www.flmnh.ufl.edu/natsci/herbarium/

Thomas M. Pullen Herbarium
- Collection of specimens from the southeastern U.S. at University of Mississippi, covering vascular plants, slime molds, bryophytes, and lichens. Searchable database of holdings.
- http://www.herbarium.olemiss.edu/

Utah State University: Intermountain Herbarium
- Housed on the campus in Logan, the herbarium holds collections of plants and fungi, with a particular emphasis on grasses. Information about holdings, projects, identification resources, and education.
- http://www.herbarium.usu.edu/

Herbarium (RNG), The University of Reading, UK.
- An institution in which can be found both teaching and research opportunities. The Herbarium of the University is part of the School of Plant Sciences.
- http://www.herbarium.reading.ac.uk/

Wisconsin State Herbarium
- A museum collection of dried, labeled plants of state, national and international importance, which is used extensively for taxonomic and ecological research, as well as for teaching and public service. It contains the world's largest collection of Wiscon
- http://www.botany.wisc.edu/herbarium/

National Herbarium Nederland
- Information about the research themes and training undertaken at the national herbarium of the Netherlands, with links to the three contributary universities.
- http://www.nationaalherbarium.nl/