Academy of Natural Sciences of Drexel University

Ada Hayden Herbarium at Iowa State University

Arizona State University Lichen Herbarium

Austin Peay State University Herbarium

Bell Museum of Natural History, lichen section, Univ. of Minnesota

Boise State University Lichen Herbarium

Botanical Research Institute of Texas

Brigham Young University

Butler University, Friesner Herbarium

California Academy of Sciences

Canadian Museum of Nature

Cornell University Plant Pathology Herbarium

Cryptogamic Herbarium, Michigan Technological University

Duke University Herbarium Lichen Collection

Evergreen Natural History Museum

Fairchild Tropical Botanic Garden Herbarium

Farlow Herbarium of Cryptogamic Botany, Harvard University

Field Museum of Natural History

George Mason University Lichen Herbarium

George Safford Torrey Herbarium

Harry D. Thiers Herbarium at San Francisco State University

High Plains Herbarium at Chadron State College

Idaho Museum of Natural History

Illinois Natural History Survey

Indiana University Herbarium

Intermountain Herbarium Lichen Collection (Utah State University)

Jacksonville University Lichen Herbarium

Kenneth S. Norris Center for Natural History at University of California Santa Cruz

Kent State University Lichen Herbarium

Lichen Collection of the Claude Garton Herbarium, Lakehead University

Lichen Collection of the Emory University Herbarium

Lichen Collection of the Laurie L. Consaul Herbarium

Lichen Collection of the North Dakota State University Herbarium

Lichen Collection of the University of Rhode Island Herbarium

Lichen Herbarium of Eastern Washington University

Lichen Herbarium of the Patuxent Research Refuge - Maryland

Lichen Herbarium of the University of California, Riverside

Louis-Marie Herbarium, Université Laval

Massey Herbarium (Virginia Tech)

Michigan State University

Milwaukee Public Museum

Montana State University Herbarium

Morehead State University

Morton Arboretum

Museum of Northern Arizona

Natural History Museum of Denmark: The Herbarium of Lichens

New Brunswick Museum

New York Botanical Garden

New York State Museum

Ohio State University Herbarium

Oregon State University Herbarium

Pacific Northwest Herbarium, Western Washington University

Robert F. Hoover Herbarium, Cal Poly State University

Robert W. Freckmann Herbarium at the University of Wisconsin, Stevens Point

Rutgers University, Chrysler Herbarium - Lichen Collection

Santa Barbara Botanic Garden Lichen Herbarium

Shirley C. Tucker Herbarium at Louisiana State University

The Chico State Herbarium

The Freeman Herbarium at Auburn University

Towson University Biodiversity Center

Troy University Herbarium

United States National Herbarium - Smithsonian

University of Alaska Museum of the North Herbarium

University of British Columbia Herbarium

University of California Berkeley, University Herbarium

University of California Davis, Center for Plant Diversity - Herbarium

University of California Santa Barbara Lichen Collection

University of Central Florida Herbarium

University of Central Oklahoma Lichen Herbarium

University of Cincinnati, Margaret H. Fulford Herbarium

University of Colorado, Museum of Natural History Herbarium Lichen Collection

University of Florida Herbarium

University of Georgia, Julian H. Miller Mycological Herbarium

University of Hawaii, Joseph F. Rock Herbarium

University of Idaho

University of Illinois Herbarium

University of Kansas Ronald L. McGregor Herbarium

University of Maine at Fort Kent

University of Maine Herbaria

University of Michigan Herbarium

University of Mississippi, Lichen Herbarium

University of Nebraska at Omaha Herbarium

University of Nebraska Kearney

University of Nebraska State Museum, C.E. Bessey Herbarium

University of New Hampshire

University of New Mexico Herbarium

University of North Alabama

University of North Carolina at Chapel Hill Herbarium

University of Richmond Herbarium

University of South Carolina, A. C. Moore Herbarium

University of South Florida Herbarium

University of Southern Mississippi Herbarium, Lichens

University of Tennessee Lichen Herbarium

University of Vermont, Pringle Herbarium, North American lichens

University of Washington Herbarium

University of West Alabama Herbarium

University of Wisconsin - Eau Claire

University of Wisconsin - Madison

University of Wyoming Rocky Mountain Herbarium

Utah Valley University Herbarium

Weber State University Herbarium

Wesley E. Niles Herbarium, University of Nevada, Las Vegas

West Virginia University Herbarium

Willard Sherman Turrell Herbarium, Miami University

Yale University Herbarium, Peabody Museum of Natural History

Yosemite National Park Lichen Herbarium

Colección de Líquenes del Herbario Federico Johow, Universidad Metropolitana de Ciencias de la Educación, Chile

Colección de Líquenes del Herbario Nacional de Venezuela, Venezuela

Colección de Líquenes en el Herbario Nacional, Instituto de Biología en la Universidad Nacional Autónoma de México

Herbario de Líquenes de Córdoba, Argentina

Herbario de Líquenes de la Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Asunción, Paraguay

Herbario de Líquenes de la Fundación Charles Darwin para las Islas Galápagos, Ecuador

Herbario de Líquenes de la Universidad de Talca, Chile

Herbario de Líquenes de la Universidad Técnica del Norte, Ecuador

Herbario de Líquenes de la Universidad Técnica Particular De Loja, Ecuador

Herbario de Líquenes de Universidad Bemerita de Puebla, México

Herbario de Líquenes de Universidad Nacional San Antonio Abad del Cusco, Perú

Herbario de Líquenes del Instituto Científico Michael Owen Dillon, Perú

Lichen Herbarium at the Fundação Universidade Federal de Mato Grosso do Sul, Brazil

Botanical Museum, Copenhagen, the Lichen Herbarium

Herbarium GB, University of Gothenburg

Herbarium of Umeå University

Lichen herbarium, Tromsø Museum

Lund Botanical Museum

Muséum National d'Histoire Naturelle Cryptogams

Natural History Museum, University of Oslo

Norwegian University of Life Sciences, Lichen herbarium

Norwegian University of Science and Technology University Museum

Oskarshamn herbarium

Swedish Museum of Natural History, Lichens

The Bergius Herbarium, Lichens

University Museum of Bergen

Uppsala University Exsiccati

Indian Lichen Database

Australian National Herbarium

Lichen Collection of Kerry Knudsen at Prague National Museum (PRM)

Private Herbarium of Jason Hollinger

Private Herbarium of T. L. Esslinger Herbarium

General Observation and Personal Collections