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Arizona - New Mexico Chapter
Arizona State University Vascular Plant Herbarium (ASU-Plants) more info
Arizona Western College Herbarium (AWC) more info
Arizona-Sonora Desert Museum (ASDM) more info
Boyce Thompson Arboretum (BTA-Plants) more info
Bureau of Land Management, Las Cruces District Office (BLM-LCDO) more info
Cochise County Herbarium - Arizona State University (ASU-CCH) more info
Coconino National Forest Herbarium (USFS-COCAZ) more info
Coronado National Forest Herbarium (CONF) more info
Deaver Herbarium (Northern Arizona University) (ASC) more info
Desert Botanical Garden Herbarium (DES) more info
Eastern New Mexico University Herbarium (ENMU) more info
Gila National Forest Herbarium (USFS-GILA) more info
Grand Canyon National Park (GCNP) more info
Jemez Mountain Herbarium (JEMEZ) more info
Kaibab National Forest Herbarium (KAIB) more info
Museum of Northern Arizona (MNA) more info
Natural History Institute Herbarium (NHI) more info
Navajo Nation Herbarium (NAVA) more info
New Mexico Natural History Institute Herbarium (NMNHI) more info
New Mexico State University Herbarium (NMC) more info
New Mexico State University Range Science (NMCR) more info
Pipe Spring National Monument (NPS-PISP) more info
Prescott National Forest Herbarium (USFS-PNF) more info
RL Minckley Plant Collection (UA-RLMPC) more info
San Juan College Herbarium (SJNM) more info
Southwestern Regional Forest Service Herbarium (USFS-SWRH) more info
Southwestern Research Station (SWRS) more info
The Arboretum at Flagstaff Herbarium (TAF) more info
University of Arizona Herbarium (ARIZ) more info
University of New Mexico Herbarium (UNM-Vascular Plants) more info
US Forest Service - Tonto National Forest (USFS-TNF) more info
Western New Mexico University, Dale A. Zimmerman Herbarium (SNM) more info
Desert Botanical Garden Seed Image Collection (DES-Seeds) more info
Arizona State University Fruit and Seed Collection (ASU-Seeds) more info
Arizona State University Pollen Collection (ASU-Pollen) more info
ASU-NEON Aquatic Plant, Bryophyte, and Macroalgae Collection (Herbarium Vouchers [Clip Harvests]) (NEON-APLC-HVCH) more info
ASU-NEON Aquatic Plant, Bryophyte, and Macroalgae Collection (Herbarium Vouchers [Point Counts]) (NEON-APLC-HVPC) more info
ASU-NEON Aquatic Plant, Bryophyte, and Macroalgae Collection (Herbarium Vouchers [Standard Sampling]) (NEON-APLC-HVSS) more info
ASU-NEON Terrestrial Plant Collection (Herbarium Vouchers) (NEON-TPLC-HV) more info
Canadian Herbaria
Consortium of Midwest Herbaria
Albion College (ALBC) more info
Amway Herbarium (AMWH) more info
Andrews University Herbarium (AUB) more info
Augustana College (AUGIE) more info
Butler University, Friesner Herbarium (BUT) more info
Calvin College (CALVIN) more info
Central Michigan University Herbarium (CMC) more info
Chicago Academy of Sciences, Botany Collection (CHAS-Herb) more info
Chicago Botanic Garden (CHIC) more info
Cincinnati Museum Center, Cincinnati Museum of Natural History (CMNH-BOTANY) more info
Earlham College (EAR) more info
Eastern Illinois University, Stover-Ebinger Herbarium (EIU) more info
Eastern Michigan University Herbarium (EMC) more info
Field Museum of Natural History (F-Botany) more info
Grand Valley State University (GVSC) more info
Hillsdale College Herbarium (HLSD) more info
Hope College (HCHM) more info
Huntington University Herbarium (HUNT) more info
Illinois Natural History Survey (ILLS) more info
Indiana University Herbarium, Deam Herbarium (IND) more info
Indiana University Southeast Herbarium (JEF) more info
Kent State University Herbarium (KE) more info
Knox College Herbarium (KNOX) more info
Loyola University Chicago Herbarium (LUC) more info
Miami University, Willard Sherman Turrell Herbarium (MU) more info
Michigan State University (MSC) more info
Milwaukee Public Museum (MIL) more info
Missouri Department of Natural Resources, Division of State Parks Herbarium (MODNR) more info
Morton Arboretum (MOR) more info
Morton Arboretum - in process of being digitized (MOR-in-process) more info
Muskegon Community College Herbarium, Michigan (MUSK) more info
New York State Museum (NYS) more info
Northern Illinois University Herbarium (DEK) more info
Northland College (NC) more info
Oakland University Herbarium Collection (OUHC) more info
Ohio State University Herbarium (OS) more info
Ohio University, Bartley Herbarium (BHO) more info
Purdue University, Kriebel Herbarium (PUL) more info
Seney National Wildlife Refuge (SENEY) more info
Southeast Missouri State University Travis Brooks Herbarium (SEMO) more info
Université de Montréal Biodiversity Centre (MT) more info
University of Cincinnati, Margaret H. Fulford Herbarium - Vascular Plants (CINC) more info
University of Illinois Herbarium (ILL) more info
University of Michigan Herbarium (MICH) more info
University of Michigan Herbarium - data processing (MICH-Data Processing) more info
University of Minnesota Herbarium (MIN) more info
University of Notre Dame, Greene/Nieuwland Herbarium (ND) more info
University of Wisconsin - Eau Claire Herbarium (UWEC) more info
University of Wisconsin - Green Bay (UWGB-VP) more info
University of Wisconsin - Oshkosh, Neil A. Harriman Herbarium (OSH) more info
University of Wisconsin - Whitewater Herbarium (UWW) more info
University of Wisconsin-LaCrosse (UWL) more info
University of Wisconsin-Madison, Wisconsin State Herbarium (WIS) more info
University of Wisconsin-Milwaukee (UWM) more info
University of Wisconsin-Stevens Point, Robert W. Freckmann Herbarium (UWSP) more info
Valparaiso University Herbarium (VALPO) more info
Western Illinois University, ​R. M. Myers Herbarium (MWI) more info
Western Michigan University (WMU) more info
Consortium of Northeastern Herbaria
Intermountain Regional Herbaria Network
Brigham Young University, S. L. Welsh Herbarium (BRY-V) more info
Bureau of Land Management, Caliente Field Office Herbarium (Bureau of Land Management-CFOBLM) more info
Bureau of Land Management, Carson City District Herbarium (BLM-CAR) more info
Bureau of Land Management, Uinta Herbarium (BLM-UI) more info
Dinosaur National Monument Herbarium (NPS-DINO) more info
Eastern Nevada Landscape Coalition (ENLC) more info
Elko BLM District Office Herbarium (Bureau of Land Management-ELKOBLM) more info
Elko Forest Service Herbarium (Elko Forest Service Herbarium-ELKOFS) more info
Ely BLM Herbarium (Bureau of Land Management) more info
Fish Springs National Wildlife Refuge Herbarium (USFWS-FSNWR) more info
Humboldt-Toiyabe Headquarters Herbarium (Humbolt-Toiyabe National Forest-HTNF) more info
Intermountain Herbarium (Vasc. & Algae) (USU-UTC) more info
Inyo National Forest Herbarium (USFS-INF) more info
Natural History Museum of Utah, Garrett Herbarium (UT-Botany) more info
Nevada Department of Agriculture Herbarium (NDOA) more info
Nevada Operations Office, Department of Energy (NTS) more info
Red Butte Garden in Salt Lake City (RBG) more info
Salt Lake City Parks and Public Lands Herbarium (SLCTNL) more info
Shrub Science Laboratory, Rocky Mountain Research Station (SSLP) more info
Snow College Herbarium (EPHR) more info
Southern Utah University (SUU) more info
Swaner Preserve and EcoCenter (SWANER) more info
University of Nevada Herbarium (RENO-V) more info
University of Nevada, Las Vegas; Wesley E. Niles Herbarium (UNLV) more info
USDA Forest Service, Rocky Mountain Research Station, Shrub Sciences Lab (USDA-FS-RMRS-SSL) more info
Utah State University Eastern (USU-PRI) more info
Utah State University Uintah Basin (USU-USUUB) more info
Utah Tech University Herbarium (Utah Tech University-UTU) more info
Utah Valley University Herbarium (UVSC) more info
Washington State University Marion Ownbey Herbarium (WS) more info
Weber State University Herbarium (Weber State University-WSCO) more info
Zion, Bryce, and Cedar Breaks Herbaria (ZNP) more info
Mid-Atlantic Herbaria
North American Network of Small Herbaria (NANSH)
Northern Great Plains Herbaria
Pacific Herbaria
Red de Herbarios de México
Ficoteca del Herbario de la Universidad de Sonora (UNISON-Ficoteca-USON) more info
Herbario "Luz María Villarreal de Puga" de la Universidad de Guadalajara (IBUG) more info
Herbario Alfredo Barrera Marín (UADY-UADY) more info
Herbario Anetta Mary Carter (HCIB) more info
Herbario de la Facultad de Ciencias Biológicas y Agropecuarias de la Universidad Veracruzana (UV-TUXU) more info
Herbario de la Unidad Regional Universitaria de Zonas Áridas (uruza) more info
Herbario de la Universidad Autónoma de Aguascalientes (HUAA) more info
Herbario de la Universidad Autónoma de Baja California (BCMEX) more info
Herbario de la Universidad Autónoma de Ciudad Juárez (UACJ-HERB-UACJ) more info
Herbario de la Universidad Autónoma del Estado de Hidalgo (UAEH-HGOM) more info
Herbario de la Universidad de Colima (UCOL-UCOL) more info
Herbario de la Universidad de Sonora (USON-USON) more info
Herbario del Centro de Investigación en Alimentación y Desarrollo, A.C. (CIAD-HCIAD) more info
Herbario del Estado de Zacatecas (ZAC-HZAC) more info
Herbario del Instituto Nacional de Estadística Geografia e Informática (INEGI-HINEGI) more info
Herbario del Jardín Botánico BUAP, Puebla, Mexico (HUAP) more info
Herbario del Jardín Botánico Culiacán (HJBC) more info
Herbario Dr. Jerzy Rzedowski Rotter (UV-CORU) more info
Herbario Francisco González Medrano (UAT-UAT) more info
Herbario Isidro Palacios (UASLP-SLPM) more info
Herbario Jerzy Rzedowski (QMEX) more info
Herbario Jesús González Ortega (UAS) more info
Herbario Jorge Arturo Alba Avila (HJAAA-FCB) more info
Herbario Mtra. Graciela Calderón Díaz-Barriga y Dr. Jerzy Rzedowski (IPN-CIIDIR) more info
Herbario Nacional de México (UNAM-MEXU) more info
Herbario Tuxpan (TUXPAN-TUXPAN) more info
Herbario Walter L. Meagher, Jardín Botánico El Charco del Ingenio (WLM) more info
Herbario-Hortorio CHAPA (COLPOS-CHAPA) more info
SERNEC - Southeastern Herbaria
Appalachian State University, I. W. Carpenter, Jr. Herbarium (BOON) more info
Arkansas Department of Transportation Herbarium (ARDOT) more info
Arkansas Natural Heritage Commission Herbarium (ANHC) more info
Arkansas State University (STAR) more info
Arkansas Tech University Herbarium (APCR) more info
Armstrong State University Herbarium (AASU) more info
Auburn University at Montgomery Herbarium (AUM) more info
Auburn University, John D. Freeman Herbarium (AUA) more info
Austin Peay State University Herbarium (APSC) more info
Berea College, Ralph L. Thompson Herbarium (BEREA) more info
Berry College Herbarium (BCH) more info
Bridgewater College Herbarium (BDWR) more info
Broward College Botanical Collection (BCBC) more info
Burgundy Center for Wildlife Studies, Coopers Cove Herbarium (BCWS) more info
Campbell University Herbarium (CAU) more info
Catawba College Herbarium (CATU) more info
City of Alexandria Herbarium (AVCH) more info
Clemson University Herbarium (CLEMS) more info
Columbus State University Herbarium (COLG) more info
Converse College Herbarium (CONV) more info
Dalton State College Herbarium (DSCGA) more info
Delta State University (DSC) more info
Duke University (DUKE) more info
East Carolina University Herbarium (ECUH) more info
East Tennessee State University, John C. Warden Herbarium (ETSU) more info
Eastern Kentucky University, Ronald L. Jones Herbarium (EKY) more info
Elon University Herbarium (ELON) more info
Emory University Herbarium (GEO) more info
Eno River State Park Herbarium (ENO) more info
Fairchild Tropical Botanic Garden (FTG) more info
Florida Department of Agriculture and Consumer Services, Division of Plant Industry (PIHG) more info
Florida State University, Robert K. Godfrey Herbarium (FSU) more info
Fort Polk United States Army Base Herbarium (FTPK) more info
Francis Marion University Herbarium (FMUH) more info
Furman University, Ives Herbarium (FUGR) more info
George Mason University, Ted R. Bradley Herbarium (GMUF-Plants) more info
Georgia Southern University Herbarium (GAS) more info
Georgia Southwestern State University Herbarium (GSW) more info
Grand Bay National Estuarine Research Reserve Herbarium (GND) more info
Great Smoky Mountains National Park (GSMNP) more info
Henderson State University Herbarium (HEND) more info
Hendrix College Herbarium - Vascular Plants (HXC) more info
Highlands Biological Station Herbarium (HBSH) more info
Hot Springs National Park Herbarium (HOSP) more info
Institute for Botanical Exploration (IBE) more info
Jacksonville University Herbarium (JUFL) more info
James Madison University Herbarium (JMUH) more info
Jones Center at Ichauway Herbarium (ICHAUWAY) more info
Kennedy Space Center Herbarium (KSCFL) more info
Longwood University, Harvill-Stevens Herbarium (FARM) more info
Lord Fairfax Community College Herbarium (LFCC) more info
Louisiana State Arboretum (LAARB) more info
Louisiana State University of Alexandria Herbarium (LSUA) more info
Louisiana State University Shreveport, D. T. MacRoberts Herbarium (LSUS-Plants) more info
Louisiana State University, Shirley C. Tucker Herbarium (LSU-Vascular Plants) more info
Louisiana Tech University Herbarium (LTU) more info
Lynchburg College, Ramsey-Freer Herbarium (LYN) more info
Marie Selby Botanical Gardens Herbarium (SEL) more info
Marshall University (MUHW) more info
Marymount University Herbarium (HOMU) more info
Mecklenburg County Park and Recreation Herbarium (UNCC-UNCC) more info
Middle Tennessee State University (MTSU) more info
Mississippi Museum of Natural Science Herbarium (MMNS) more info
Mississippi State University (MISSA) more info
Morehead State University Herbarium (MDKY) more info
Murray State University Herbarium (MUR) more info
Newberry College Herbarium (NBYC) more info
Nicholls State University Herbarium (THIB) more info
North Carolina Museum of Natural Sciences Herbarium (NCSM-NCSM) more info
North Carolina State University Vascular Plant Herbarium (NCSC) more info
North Carolina Zoological Park (NCZP) more info
Northern Kentucky University, John W. Thieret Herbarium (KNK) more info
Old Dominion University Herbarium (ODU) more info
Ouachita National Forest Herbarium (OUF) more info
Petersburg Garden Club Herbarium (PGC) more info
Randolph College (RMWC) more info
Raven Rock State Park Herbarium (RARO) more info
Reinhardt University Herbarium (REH) more info
Rhodes College Herbarium (SWMT) more info
Salem College (SC) more info
Silver Bluff Audubon Center Herbarium (SBAC) more info
Southeastern Louisiana University, Glen N. Montz Herbarium (SELU) more info
Southern Forest Range Program Herbarium (SFRP) more info
St. Andrews University Herbarium (SAPCL) more info
Stoneville Weed Science Laboratory Herbarium (SWSL) more info
Tennessee Technological University, Hollister Herbarium (HTTU) more info
Troy University Herbarium (TROY) more info
Tulane University, in LSU's Shirley C. Tucker Herbarium (NO) more info
University of Alabama Herbarium (UNA) more info
University of Arkansas at Monticello (UAM) more info
University of Arkansas Herbarium (UARK) more info
University of Central Arkansas Herbarium (UCAC) more info
University of Central Florida Herbarium (FTU) more info
University of Florida Herbarium (FLAS) more info
University of Georgia Herbarium (GA) more info
University of Kentucky Herbarium (KY) more info
University of Louisiana at Lafayette Herbarium (LAF) more info
University of Louisiana at Lafayette Ornamental Horticulture Herbarium (USLH) more info
University of Louisiana at Monroe Herbarium, R. Dale Thomas Collection (BRIT-NLU) more info
University of Mary Washington Herbarium (MWCF) more info
University of Memphis Herbarium (MEM) more info
University of Mississippi, Thomas M. Pullen Herbarium (MISS) more info
University of North Carolina at Chapel Hill Herbarium: Vascular Plants (NCU-Vascular Plants) more info
University of North Carolina at Pembroke Herbarium (PEMB) more info
University of North Carolina, Asheville (UNCA) more info
University of Richmond Herbarium (URV) more info
University of South Alabama Herbarium (USAM) more info
University of South Carolina Salkehatchie Herbarium (SALK) more info
University of South Carolina Upstate Herbarium (USCS) more info
University of South Carolina, A. C. Moore Herbarium Vascular Plant Collection (USCH) more info
University of South Florida Herbarium (USF) more info
University of Southern Mississippi Herbarium (USMS) more info
University of Tennessee Martin Herbarium (UTM) more info
University of Tennessee Vascular Herbarium (TENN) more info
University of Tennessee, Chattanooga (UCHT) more info
University of the South - Sewanee Herbarium (UOS) more info
University of West Florida (UWFP) more info
University of West Georgia Herbarium (WGC) more info
US Army Corps of Engineers Engineer Research and Development Center Herbarium (ERDC) more info
Valdosta State University Herbarium (VSC) more info
Vanderbilt University Herbarium (BRIT-VDB) more info
Virginia Commonwealth University Herbarium (VCU) more info
Virginia Military Institute Herbarium (VMIL) more info
Virginia Polytechnic Institute and State University, Massey Herbarium (VPI) more info
Virginia State University Herbarium (VSUH) more info
Wake Forest University (WFU) more info
Warren Wilson College Herbarium (WWC) more info
West Virginia Natural Heritage Program Herbarium (WVHP) more info
West Virginia State University Herbarium (WVSU) more info
West Virginia University Herbarium (WVA) more info
West Virginia Wesleyan College, George B. Rossbach Herbarium (WVW) more info
Western Carolina University Herbarium (WCUH) more info
Weymouth Woods Sandhills Nature Preserve Herbarium (WEWO) more info
William & Mary Herbarium (WILLI) more info
Winthrop University Herbarium (WINU) more info
Wofford College, Goodall Environmental Studies Center, Glendale Shoals Preserve Herbarium (WGLE) more info
Southern Rocky Mountain Herbaria
Texas Oklahoma Regional Consortium of Herbaria (TORCH)
Abilene Christian University Herbarium (ACU) more info
Amistad National Recreation Area (NPS-AMIS) more info
Angelo State University Herbarium (SAT) more info
Balcones Canyonlands National Wildlife Refuge, U.S. Fish and Wildlife Service (USFWS-BCNWR) more info
Baylor University Herbarium (BAYLU-BAYLU) more info
Botanical Research Institute of Texas, Philecology Herbarium (BRIT-BRIT) more info
Fort Worth Nature Center and Refuge Herbarium (FWNC-FWNC) more info
Hardin-Simmons University Herbarium (HSU) more info
Howard Payne University Herbarium (HPC) more info
Lady Bird Johnson Wildflower Center Herbarium (JWC) more info
Lundell Herbarium at the University of Texas at Austin (LL) more info
Northeastern State University, Joe M. Anderson Herbarium (NOSU-NOSU) more info
Oklahoma City University Herbarium (OCU) more info
Oklahoma State University Herbarium (OKLA) more info
Our Lady of the Lake University Herbarium (LLC) more info
Rob & Bessie Welder Wildlife Foundation Herbarium (WWF) more info
Saint Edward's University Herbarium (SEU) more info
Sul Ross University, A. Michael Powell Herbarium (SRSC) more info
Tarleton State University Herbarium (TAC) more info
Texas A&M University, S.M. Tracy Herbarium (TAES) more info
Texas A&M University-Corpus Christi, Ruth O'Brien Herbarium (TAMUCC) more info
Texas Lutheran University Herbarium (TLU-TLU) more info
Texas Tech University, E. L. Reed Herbarium (TTC) more info
Texas Woman's University Herbarium (TCSW) more info
University of Central Oklahoma Herbarium (CSU) more info
University of Houston Coastal Center Herbarium (UHCC) more info
University of Louisiana at Monroe Herbarium, R. Dale Thomas Collection (BRIT-NLU) more info
University of North Texas, Benjamin B. Harris Herbarium (NTSC) more info
University of Oklahoma, Robert Bebb Herbarium (OKL) more info
University of Texas at Austin Herbarium (TEX) more info
University of Texas at El Paso Biodiversity Collections Herbarium (UTEP-Herb) more info
University of Texas Permian Basin, Edwin B. Kurtz Herbarium (UTPB) more info
University of Texas Rio Grande Valley (PAUH) more info
Vanderbilt University Herbarium (BRIT-VDB) more info
CHRB - temporary holding for bryophytes (CHRB-TEMP) more info
Gulf Coast Research Laboratory Herbarium (HGCRL) more info
General Observation Projects
Southwestern Observation Projects
User Submitted Observations