Colección Ficológica del Herbario FEZA Fue creada por la Dra. Alejandrina Graciela Avila Ortiz en 1980 con las primeras recolecciones de macroalgas marinas del litoral de Veracruz e Isla Sacrificios. En 1985 se iniciaron las recolecciones en la costa del estado de Guerrero. En 1990 se tenían aproximadamente 500 ejemplares en frascos con formol y 500 ejemplares de herbario en carpetas. Estos primeros registros se anotaron en bitácoras y en la primer base de datos dBase. Posteriormente en 1992, la información fue trasladada a la base de datos Access con aproximadamente 1000 números. A partir de 1996 y con el apoyo de proyectos financiados se ha ido incrementado la colección y la Base de datos, con las exploraciones a otros estados: Michoacán, Oaxaca, en el Pacífico. Para la costa del Golfo de México: Campeche, Quintana Roo, Tamaulipas y Yucatán. Así mismo con la participación de académicos y alumnos que participan en los proyectos. En promedio al año se ingresan 150-200 ejemplares y números tanto a la Base de Datos como a la Colección. Actualmente se tienen 6357 ejemplares.

The herbarium at Frostburg State University is comprised of mostly vascular plants from western Maryland and adjacent West Virginia.

The Grinnell College Herbarium consists of a growing collection of specimen sheets of land plants, primarily Angiosperms. Iowa and adjacent central U.S. states are represented most strongly, but there is some representation from other regions of North America and from Central America, Europe, and Asia. Most specimens were collected since 1880.

El Herbario CFNL se funda en 1981, como parte del Instituto de Manejo de Recursos Naturales (hoy Facultad de Ciencias Forestales, UANL, en el campus Linares, Nuevo León), bajo la dirección del Dr. Jorge Saúl Marroquín de la Fuente. .

El herbario de la Facultad de Estudios Superiores Zaragoza se estableció en 1981. En 1997 obtuvo su registro durante la novena edición del Index Herbariorum que edita la Asociación Internacional para la Taxonomía de Plantas (IAPT por sus siglas en inglés), donde se le asignó el acrónimo FEZA. Desde 2009 cuenta con el registro D.F-HER-218-05-09 que lo avala como colección científica ante la Dirección General de Vida Silvestre de la Secretaría de Medio Ambiente y Recursos Naturales. El herbario FEZA alberga cinco colecciones científicas que resguardan ejemplares de 1) macroalgas (6 000), 2) hongos (1 000), 3) líquenes (2 500), 4) briofitas (700) y 5) plantas vasculares (20 000). Además, hay colecciones anexas de cortes histológicos de plantas vasculares, material fijado en formol y formalina, laminillas de macroalgas y fotografías.

HUAN es un herbario pequeño cuyo objetivo es integrar una colección mínima como respaldo de la flora de Nayarit (un ejemplar por especie). En cambio, en su modalidad de Herbario Virtual UAN, se busca tener representados todos los ejemplares colectados en la entidad.

El Herbario de la Universidad Autónoma de Zacatecas (UAZ), perteneciente a la Unidad Académica de Agronomía, inició formalmente en 1982. El Herbario UAZ tiene como objetivo principal, mantener una colección lo más completa y representativa posible de la diversidad de plantas vasculares, silvestres y cultivadas del estado de Zacatecas, la cual estará a disposición de estudiantes y público en general; así como para la comunidad científica nacional e internacional con fines de enseñanza, divulgación e investigación. 

El herbario CITRO se funda en el año 2010, bajo el proyecto las plantas endémicas y notables de Veracruz. Actualmente los grupos mejor representados en el herbario son los helechos mexicanos, las epífitas vasculares y las plantas endémicas del estado de Veracruz.  Es importante tener en cuenta que todos los especímenes recolectados se agregan a una base de datos interna, pero solo una pequeña cantidad permanece en la colección de CITRO; muchos se distribuyen en herbarios en México y el extranjero. Aquí podras conocer los ejemplares que se encuentran dentro de nuestra colección física.

En 2023, se creó el Herbario PV del Centro Universitario de la Costa para integrar una colección representativa, sistemática y con valor científico-educativo de la flora silvestre y urbana de los municipios de Cabo Corrientes y Puerto Vallarta en Jalisco, así como de Bahía de Banderas en Nayarit.

Surge en el año 2020 como parte del proyecto “Impulso al establecimiento de una red de jardines etnobiológicos promovido por el Consejo Nacional de Ciencias, Humanidades y Tecnologías (CONACHYT).

El herbario HERSIN tiene tres objetivos principales, los cuales atienden a cada colección que lo conforman: 1) Flora con importancia etnobiológica del pueblo Yoreme-Mayo asentada en el norte del estado, destacando especies del matorral costero y selva baja caducifolia; 2) Flora del Jardín Botánico Benjamin Francis Johnston, una colección que destaca la diversidad de especies tropicales provenientes de diversas partes del mundo, cuyos registros datan de 1903; 3) Flora de Sinaloa, la cual es representada por las diversos tipos de vegetación los cuales se extienden desde la costa hasta la sierra con mas de 1000 msnm, con climas secos, cálidos y templados.

La Colección de Algas y Briofitas del Herbario de la Universidad Juárez Autónoma de Tabasco (UJAT), consta de un acervo de 546 ejemplares de musgos y hepáticas y 144 taxa siendo los musgos el grupo más abundante en el Estado.

La Colección de Hongos Macroscópicos UJAT, tiene como objetivo tener representada la diversidad de hongos que crecen en el estado de Tabasco, la colección actualmente tiene un aproximado de 10 mil especímenes con aproximadamente 500 especies, los grupos mejor representados son poliporoides y agaricoidess

El herbario XAL contribuye, con sus ejemplares botánicos, al conocimiento de la flora del Estado de Veracruz y de México.

Primarily vascular plants (pressed specimens) from the Great Basin and Mojave Desert of Nevada and surrounding regions. Most material collected from the 1960s to the late 1990s except for specimens obtained by Percy and Agnes Train from the mid to late 1930s.

The Rocky Mountain Research Station Collection is located in Albuquerque, New Mexico. This collection has roughly 2,000 plant specimens ranging from as early as the 1930's to as recent as 2019.

The University of Akron currently houses approximately 4,500 of vascular plants (ferns, gymnosperms and flowering plants). The collection primarily focuses on the flora of Northeastern Ohio and adjacent regions. In addition to dry-preserved specimens, the collection may contain, photographs, liquid-preserved specimens, microscopic slide preparations, and other preserved materials.

Herbarium of Abilene Christian University located in Abilene, Texas. This herbarium collection is being digitized with support from the National Science Foundation (Award #:1902078) in collaboration with the Botanical Research Institute of Texas (contact: Tiana Rehman, trehman@brit.org).

The herbarium of the Academy of Natural Sciences (PH) is the oldest institutional herbarium in the United States. It is a national resource for material from 1750-1850. The diatom herbarium (ANSP) is managed separately.

The Adams State Herbarium houses ca 8000 specimens of mainly plants collected in Colorado and northern New Mexico.

The SAT Herbarium is the largest component of the Angelo State Natural History Collections (ASNHC) and comprises an estimated 80,000 plant specimens, with significant holdings in the Poaceae and Cyperaceae families. It is the eighth-largest herbarium in Texas, and represents the most complete floristic inventory of the Concho Valley region. In addition, the Herbarium serves as a permanent depository for voucher specimens for floristic surveys of several unique areas in West Texas, including Big Bend National Park, Texas Nature Conservancy Big Brushy Canyon, and Texas Nature Conservancy Independence Creek. Specimens from several ecological and systematic studies of rare plants are also housed in our collection. Glenn Casey started the Herbarium in the 1940s. At that time, it was called the Goodman Herbarium, in honor of the late Oklahoma botanist, Dr. George Goodman. The collection languished briefly in the late 1960s after Casey’s departure and during ASU’s transition from the two-year San Angelo College to Angelo State University. It was revitalized in 1972 with the arrival of Dr. Chester Rowell Jr., who served as curator until his retirement in 1987. At that time, Dr. Bonnie Amos became curator, until her retirement in 2021. In 2023, Dr. Carlos A. Maya-Lastra arrived at Angelo State University, becoming the new curator of this collection. The SAT Herbarium invites review of specimen identification--please contact the Collections Manager with any suggested updates to listed taxonomy.

The Archbold Biological Station herbarium has over 4200 vascular plant specimens and is located in the laboratory of the Plant Ecology Program in the Richard Archbold Research Center at Archbold Biological Station in Lake Placid, FL. The collection consists predominately of plants collected from central and south Florida, with a strong emphasis on the southern Lake Wales Ridge near and on the property of Archbold Biological Station. Additional collections include bryophytes and lichens. The Archbold Biological Station is also known as the Leonard J. Brass Herbarium, named in honor of worldwide plant collector, palm expert, explorer, conservationist, and botanist, L.J. Brass (1900-1971). Dr. Brass founded this herbarium and collected the majority of its specimens. In February 2010, we also dedicated this collection to Dorothy Mundell, in appreciation of her long-time service to the herbarium. Carl Weekley and Rebecca Yahr also made significant contributions to the ABS herbarium. Eric Menges is currently the curator. Nomenclature used as determined by Wunderlin (http://florida.plantatlas.usf.edu/) or (http://plants.usda.gov)

The Arizona State University Vascular Plant Herbarium (ASU) is among the most important in the greater Sonoran Desert region with over 315,000 specimens. We are particularly proud of our holdings of Cactaceae which include over 1,100 chromosome counts.

An herbarium is a collection of pressed, dried, and archived plants that are systematically arranged - each specimen a physical record of a plant growing at a particular place and at a particular time. Like most herbaria, we seek to document the geographical and ecological distribution of the regional flora, facilitate research, support teaching, and promote conservation. Vouchers from floristic studies have resulted in comprehensive collections of many important geographic regions in Arizona.

ASU Type Specimens: http://swbiodiversity.org/seinet/checklists/checklist.php?cl=2638

Focus on Yuma County Arizona. Includes collections from public and military lands. Hosts the local plant atlas inventory and student collections.

The Herbarium of the Arkansas Natural Heritage Commission consists primarily of specimens collected in the course of statewide ecological and biological inventory work conducted by the Arkansas Natural Heritage Program. Many of the specimens represent species that are rare in the state or were collected from rare or unusual habitats. The goals of the collection are 1) to provide a reference collection for work performed by Natural Heritage Commission staff and their conservation partners, 2) to house voucher specimens for rare plant records in the database of the Arkansas Natural Heritage Program, and 3) to voucher plants of ecologically sensitive or otherwise significant lands, including those contained within the State's System of Natural Areas. While most specimens are from Arkansas, special care is being made to assemble a collection of plants from surrounding states that are not presently known in Arkansas but are likely to be found there.

The ANHC Herbarium recently adopted the Henderson State University and University of Arkansas - Little Rock Herbaria (HEND-LRU), which are being integrated into the ANHC collection.

APCR comprises approx. 22000 specimens, concentrating on the flora of Arkansas, especially the Interior Highlands. Important collectors whose material is housed in the collection include Maxine Clark, Richard Davis, Delzie Demaree, Dwight M. Moore, E.J. Palmer, and Gary Tucker. The emphasis of our work is the Vascular Flora of Arkansas Project.

The John D. Freeman Herbarium (AUA) at Auburn University houses the state's largest collection of dried flowering plants, gymnosperms, ferns, bryophytes, fungi, and lichens. Concentrating on specimens collected in Alabama and the southeastern US over the past one hundred years, we are now diversifying our plant holdings from around the world through exchanges and gifts. This valuable botanical resource provides critical information to students and scientists across many disciplines as well as to the general public.

Austin Peay State University Herbarium (APSC), established in 1942, has roughly 138,000 specimens and is the second largest herbarium in the Kentucky/Tennessee region (as of 2024). Although located in Clarksville Tennessee, the APSC collection is mostly Kentucky-based with significant collections from the Louisville, Bowling Green, and Land Between the Lakes areas.

In 2017, APSC nearly doubled from its previous size due to the acquisition of the former Western Kentucky University herbarium (WKU) and Davies Herbarium of Louisville (DHL). These herbaria included the extensive unprocessed personal collections of Max Medley, a prolific botanist. Over the next six years these specimens were processed and integrated into APSC, with the final specimens filed into the cabinets by late 2022. Throughout this process every incoming specimen's identity was verified by former collections manager Mason Brock, resulting in >15,000 identity-changing annotations.

Under the curation of Dwayne Estes, APSC has become one of the fastest growing herbaria in the Southeast. In addition to an active graduate student program, APSC is also the home of the Southeastern Grasslands Initiative (SGI) dedicated to grassland conservation science.

Significant contributors: Max Medley, Edward Chester, Robert Kral, Dwayne Estes, and Mason Brock.

Data policy: In order to uphold our conservation and education based values, and to advance the purpose of this herbarium digitization project, APSC has chosen a policy of information openness regarding collection localities. Specimen images will be promptly supplied to all users upon request, with exception for taxa of extreme global rarity (G1) or those threatened with economic exploitation. (Requests these for taxa will be considered on a case-by-case basis.)

Balcones Canyonlands National Wildlife Refuge is home to many native Texas wildlife and plants, and was specifically established to protect the nesting grounds of the black-capped vireo and the endangered golden-cheeked warbler. BCNWR is a local herbarium for specimens collected at Balcones Canyonlands National Wildlife and surrounding areas in Burnet, Travis, and Williamson Counties, Texas, USA.  The collection was digitized by the Botanical Research Institute of Texas (BRIT) in 2022 under NSF Grant #1902078.

The Baylor University Herbarium was officially founded in 1967 as part of the Department of Biology at Baylor University (BAYLU). Currently located on the 2nd floor, A-wing, of the Baylor Sciences Building, the herbarium was organized by Dr. Floyd F. Davidson in 1967, then chair of the department, with the first curator Ms. Fannie Mae Hurst-Windham. Much of the herbarium is dedicated to Texas flora, though with specimens included from Oklahoma, Louisiana, Central/South America, and China. The herbarium also houses over 200+ specimens from Lindheimer, specifically those specimens near New Braunfels and Comanche Spring. Dr. Walter Holmes, Professor Emeritus of Biology at Baylor University, is the most recent curator of the herbarium who has specialized in the genus Mikania (Asteraceae) with the herbarium containing several types specimens.

Flora of Bennington County VT and adjoining areas, with some collections from other regions associated with student and faculty research projects

The Ralph L. Thompson Herbarium contains approximately 22,000 specimens. Formerly located at Berea College, it is now permanently housed at Eastern Kentucky University alongside the Ronald L. Jones Herbarium. Together, these two herbaria contain over 100,000 specimens and are the largest collection in Kentucky, and the second largest in the Kentucky-Tennessee region (surpassed only by the University of Tennessee). ​Most specimens are from Kentucky and contiguous states, and nearly all specimens are of vascular plants. A number of important sets of specimens are housed at BEREA, including sets from several published floras, especially of surfaced mined lands. Important collectors include J. R. Abbott, R. A. Gelis, J. D. Pittillo, D. D. Taylor, R. L. Thompson.

The Bitterroot National Forest herbarium contains specimens from across western Montana and eastern Idaho including Missoula, Mineral, Ravalli, Flathead, Stillwater and Shoshone counties. With specimens dating back to the early 1900’s, the BNF herbarium’s collection not only demonstrates the rich history of the area but the broad habitats encompassed by this forest. The Bitterroot National Forest continues to add to its collections and make collection information readily available for collaborative use.

The core of BRIT’s herbarium is the Lloyd H. Shinners Collection in Systematic Botany, begun at Southern Methodist University in Dallas, Texas, in 1944. The Botanical Research Institute of Texas was formed in 1987 to house the transfer of this collection, which moved to Fort Worth in 1991.  Areas of geographic concentration encompass Texas, the southeastern United States, Mexico, Central America, South America, and Southeast Asia. The BRIT herbarium holdings are worldwide in scope, and represent most of the earth’s plant families.

Vascular Plants. Curator: Leigh Johnson; Collections Manager: Robert Johnson. The herbarium has completed databasing the non-seed vascular plants, gymnosperms, and monocots with the exception of grasses. We are working though the dicots alphabetically by family, and have a scattering of other material completed. Some records that are incomplete, duplicate sheets, or that otherwise need additional attention may not be uploaded for searching here.

The herbarium at BYU is recognized by the Index Herbariorum acronym 'BRY'. 'V' indicates the vascular plant portion of BRY. The vascular plant herbarium also houses a smaller collection gifted to Brigham Young University from the Ogden Forest Service, which maintains its Index Herbariorum acronym 'OGDF'. BRY additionally encompasses the Herbarium of Non-Vascular Cryptogams (including lichenized fungi), which is administered independently with its own database, catalog numbers, and portal. The non-vascular cryptograms & lichens are curated by Steven Leavitt.

Information made available here electronically, including specimen data and images, has been produced by support from Brigham Young University, NSF grant DBI–1203616, the Grand Canyon Trust, and a Utah-BLM Challenge Cost-Share agreement. Any opinions, findings, and conclusions or recommendations expressed in this material are those of our herbarium and do not necessarily reflect the views of the National Science Foundation or other supporting agencies.

Please acknowledge BRY in publications or products that have benefitted from the use of these data.

BLMCAR is housed in a Bureau of Land Management office in Carson City, Nevada, USA, and is not accessible to the public. Specimens housed in this herbarium are mostly vouchers for seed collections made in western Nevada and adjacent areas of California. The phone number and email address provided are those of Dean Tonenna, a BLM staff botanist and curator of this herbarium.

The Las Cruces District Office manages land in Doña Ana, Grant, Luna, Otero, and Sierra counties in southwestern New Mexico. We maintain a reference collection, primarily of plants found on BLM land within the district, to aid plant identification in the office and document some of our activities.

Our collection represents a portion of the plants in the upper Sacramento Valley and Shasta Cascades region of Northern California. Plants are collected on land managed by the Bureau of Land Management Redding Field Office. Redding BLM herbarium's main focus is vascular plants, however some non-vascular plants have been collected. The Redding BLM office covers many different types of ecosystems that range from ecosystems with serpentine soils to wetlands and vernal pools. Collections range back to the 1960s; about 1,000 collections have been made.

The Herbarium of the San Luis Valley Field Office is a collection of primarily range land plants collected on BLM lands in Southern Colorado, with a focus on the San Luis Valley. The San Luis Valley is a high elevation, intermontane desert valley at the headwaters of the Rio Grande River.

Crowd Source Burgundy Wildlife Center Specimens

The Friesner Herbarium of Butler University, Indianapolis, Indiana, grew out of the personal collections of Dr. Ray C. Friesner, Professor and Chair of the Botany Department, 1920-1952. Many students and other Butler faculty have contributed plants through the years. In the 1930s and 1940s, Butler had an active Masters degree program in Botany with a focus on florisitics and ecology of the state. The collection currently houses over 100,000 specimens. Label data have been digitized for the ca. 50,000 sheets collected in Indiana and work has begun on non-Indiana and foreign sheets. More information on the collection is available at www.butler.edu/herbarium. We welcome liberal use of our digitized collections. We request that BUT is appropriately cited, and that individual specimens are cited where appropriate, in any publication that includes our data, whether physical specimens are examined or not. Thank you!

The Hoover Herbarium houses 85,000+ specimens of vascular plants, algae, lichens, and bryophytes. The geographic focus is San Luis Obispo County, California. The collection also includes many specimens from other areas of California, other states of the US, particularly Arizona, and some from other regions of the world, especially Mexico. Emphasis areas in the collection include Asteraceae, Lupinus, and cultivated Eucalyptus. Major collections include Robert F. Hoover (1946–1969), David J. Keil (1966–present), Rhonda Riggins (1970s–2000), Tracy Call (mostly Apiaceae—late 1940s–1960s), and Robert J. Rodin (1940s–1977). The collection is used extensively in undergraduate teaching and training.

Important Collections: Robert F. Hoover (1946–1969), David J. Keil (1966–present), Rhonda Riggins (1970s–2000), Tracy Call (mostly Apiaceae—late 1940s–1960s), and Robert J. Rodin (1940s–1977)

Date Founded: 1964

Incorporated Herbaria:

Museum of the Great Plains in 2017;
Wichita Mountains Wildlife Refuge (1784 specimens) in 2006

[Updated September 2017]

The Campbell University Herbarium was established in 2011 and is currently housed in the McLamb Environmental Science Center at Campbell University in Buies Creek, NC. The herbarium houses approximately 5,500 specimens of vascular plants.

The Carnegie Museum herbarium (CM) has over 540,000 worldwide vascular plant specimens as well as the best representation in any herbarium of specimens from western Pennsylvania and the Upper Ohio Basin. CM holds the private herbarium of Hannibal and Tyrecca Davis containing 20,000 specimens with a concentration on Rubus (Rosaceae).

The Central Michigan University Herbarium (CMC) strives to integrate research and education, providing centralized botanical resources, research facilities, and educational opportunities to the University and broader scientific community.

Founded around 1960, the High Plains Herbarium at Chadron State College (CSCN) houses over 65,000 plant specimens and is the second largest collection in Nebraska. Historically our focus has been on the vascular flora of the Nebraska Panhandle, southwestern South Dakota and eastern Wyoming, with special emphasis on the Nebraska Pine Ridge escarpment and Sandhills. We also have a strong representation of material from the central Great Plains, particularly Nebraska and Kansas as well as the Rocky Mountains. In recent years we have expanded our holdings to include over 3000 bryophyte and nearly 1000 lichen specimens, mostly from the Nebraska Panhandle. The herbarium also houses the personal herbarium and library of plantsman Claude A. Barr and the personal papers of ethnobotanist George Morgan, in addition to collections of native art and an extensive historic pharmaceutical collection.

The Charles Maurer Herbarium Collection is the third largest collection of vascular plants (> 104,000 specimens) and is the oldest herbarium (began in 1883) in the southern Rocky Mountain region. Important collections include those by J. Ackerfield, J. Cassidy, J. H. Cowen, C.S. Crandall, and H.D. Harrington. The herbarium has an excellent representation of the Colorado flora as well as the flora of the southern Rocky Mountain region. The Charles Maurer Herbarium contains several important collections, including the specimen backbones of three major floras for Colorado. First, the herbarium houses approximately 4,500 historical collections made by its first curators in the late 1890’s, Charles Spencer Crandall and Jacob Hover Cowen. These collections formed the foundation for Flora of Colorado (Rydberg, 1906), the first comprehensive flora of the state. Second, the herbarium also houses approximately 10,000 collections from curator Harold D. Harrington, which formed the basis for his comprehensive Manual of the Plants of Colorado (1954). Lastly, collections of curator Jennifer Ackerfield are housed in the herbarium. Together, these collections formed the foundation for the most current Flora of Colorado (Ackerfield, 2021).   

The CHAS Botany Collection focuses on vascular species of North America, particularly the Midwest/Great Lakes region, from 1834 to the present. There are also a small number of lichen and bryophyte specimens, as well as vascular species from South America and Europe. Over 15,000 specimens have been digitally inventoried and 2,000 have been imaged. The un-digitized backlog is estimated to be approximately 5,000 sheets. Notable collectors include: Henry H. Babcock, H. R. Bennett, A. Chase, W. P. Conant, George B. Grant, F. H. Hosford, H. F. Jaeger, Anna Pederson Kummer, C. G. Lloyd, W. S. Moffatt, E. L. Moseley, Walter L. Necker, E. Palmer, R. S. Schmidt, E. Stimpson, F. A. Swink, L. M. Umbach, H. Van Heurck, Dora Wilken, J. Wolfe, Elizabeth Emerson Atwater, W. W. Calkins, and Herman Silas Pepoon.

U.S.A., especially midwestern U.S.A. and Chicago region; Asteraceae; fungi; mosses; lichens; horticultural vouchers; China; Russia; Korea.

The herbarium of the Cincinnati Museum Center (CMNH) houses ca. 500 specimens, mostly from a 1990s expedition to the Philippines.

The Coastal Carolina University Herbarium is a revived herbarium that is an important part of the Department of Biological Sciences at the Coastal Carolina. The original collection of dried plant specimens is now part of an ever-growing collection. Total holdings are just over 2,000 specimens with most of the collections coming from the surrounding counties. 

Donated and transferred to ASU Herbarium in 2018.

Founded in 1970 by Dr. Wesley E. Niles, the herbarium now holds about 70,000 specimens. Its primary focus is the vascular plant diversity in the Mojave Desert regions of Nevada, Utah, Arizona, and California. In 2023, the herbarium was transferred to the College of Southern Nevada.  It is housed in the building A of the Henderson campus. Important collections include those of T. Ackerman (Desert National Wildlife Refuge); J. C. Beatley (Nevada Test Site); V. Bostick (central and southern Nevada); D. Charlet (Nevada); I.W. Clokey (Spring Mountains); M.Kurzius, D. Schramm, P. Peterson, and C. Annabel (Death Valley, California, and Nevada); S. Meyer (southern Nevada); A. Tiehm, A. Pinzl, and H. Mozingo (central and northern Nevada); W. Niles, P. Leary, J. Holland, and J. Alexander (Nevada, California, and Arizona), and L. Stark (bryophytes of southwestern deserts).

Email marcus.hooker@csn.edu to request access to redacted data.

The research focus of the CC Herbarium is on the flora of the Pikes Peak region that includes El Paso, Teller, Pueblo, and Fremont Counties. A flora of the Pikes Peak region has been developed based on the fieldwork of Tass Kelso over the past 20 years, and plant records from this herbarium and regional herbaria such as those at University of Colorado, Colorado State University, and the University of Wyoming.

The Walter Almond Kelley herbarium at Colorado Mesa University contains over 5,000 specimens, primarily from western Colorado and eastern Utah. It was founded in 1978.

Columbia-Greene Community College is home to a natural history museum with 2000 bird skin specimens, 1400 egg sets with over 5000 eggs, 3000 vascular plant herbarium specimens, and 2000 bryophyte specimens.

Collections from the Coronado National Forest and South East Arizona.

Number of Specimens: 125,000 Specialty: Colorado Plateau, especially northern Arizona; northeastern Mojave Desert; northern Arizona National Parks and Monuments; vascular plants of the San Francisco Peaks and Coconino National Forest. Important Collections: M. Baker; R. E. Collom; C. F. Deaver; D. Demaree; R. K. Gierisch; L. N. Goodding; G. Goodwin; H. D. Hammond; R. H. Hevly; M. E. Jones; T. H. Kearney; Max Licher; E. L. Little, Jr.; V. O. Mayes; A. M. Phillips; G. R. Rink; C. G. Schaack; J. J. Thornber; A. F. Whiting. Incorporated Herbaria: FSLF (1000 specimens) in 1989. Notes: Arizona State College changed to Northern Arizona University in 1966. ASC fungi transferred to MICH in 1998. ASC is temporarily housing NAVA. Date Founded: 1930.

The Claude E. Phillips Herbarium (DOV) at Delaware State University is the only public herbarium on the Delmarva Peninsula and houses over 150,000 specimens of vascular plants, ca. 35,000 specimens of bryophytes and 3,600 lichens. DOV’s collections span more than 200 years of botanical exploration in Delmarva and the neighboring states and include representative flora from other parts of the U.S. and the world.

Over 100,000 specimens in collection, with emphasis on plants of the Southwest and northern Mexico, Cactaceae and Agavaceae.

Dinosaur’s herbarium represents and perpetuates a longtime legacy of botanists collecting, curating, and researching plant taxa within the park, as well as the monument’s remarkable flora. Situated at the convergence of five ecoregions, and featuring a wide range of geology and topography, the Monument has historically been a study site for dozens of rare, local and edaphic endemic plants, with at least 11 type specimens, and 95 species currently listed as special status or of conservation concern. The herbarium’s physical and digital presence is home to over 800 taxa and almost 3,000 specimens, part of an increasingly vital network of Intermountain botanical resources.

Duke Herbarium houses more than 425,000 specimens of vascular plants, including 821 types. The collection is especially rich in accessions from the Southeastern United States, in particular for the Carolinas, and Mesoamerica. The vascular plant herbarium contains an important collection of over 22,000 sheets from La Selva in Costa Rica.

Number of Specimens: 5,000

Date Founded: 1915

[Updated August 2013]

Permanently closed and transferred to the University of Tennessee - Knoxville Herbarium (TENN) in April 2024.

The Stover-Ebinger Herbarium has about 88,000 specimens. It contains a very good representation of the flora of the midwestern United States; about half the specimens were collected in Illinois. Students and faculty conducting ecological studies and floristic inventories use the herbarium to help identify the plants they see and collect. Students in Plant Taxonomy, Dendrology, and Wetland Plants classes use it to become familiar with species and for identification of specimens. In our courses on Wetland Plants, Woody Plants, Economic Botany, Medicinal Plants, and Plant Evolution, herbarium specimens are used to to make morphological comparisons among relevant plant taxa. The herbarium was started in 1899. Originally named the Stover Herbarium for Dr. Ernest L. Stover, professor of botany from 1923-1960, the Botany Dept. faculty voted in Dec., 1995 to "expand" the name to honor John E. Ebinger on the occasion of his retirement. Dr. Ebinger collected about one-third of the specimens in the herbarium and served as curator from 1963-1995. For information about vascular plants, contact Dr. Gordon C. Tucker (gctucker@eiu.edu; 217-581-3126). Our specimens of fungi (including lichens) and bryophytes were transferred to the Illinois Natural History Survey (ILLS), beginning in 2015; for further information about these collections, please contact Dr. Andrew Miller (amiller7@illinois.edu).

Several years ago, the Eastern Kentucky University Herbarium (EKY) merged with the Berea College Ralph L. Thompson Herbarium (BEREA) to form a unified collection at Eastern Kentucky University. Both collections are maintained separately in the same physical facilities. As of late 2021, the combined accessioned herbarium collection exceeded 110,000 specimens, and was actively growing. Almost all of the holdings are of vascular plants. This herbarium is by far the largest, most diverse and most active in Kentucky. Significant collections from many people and sources are included in EKY; most of the collections in BEREA are of Ralph Thompson. Significant strengths include Kentucky plants, woody taxa, the Southern Appalachians and Kentucky’s Red River Gorge, though there are significant holdings from a much wider area.

The Eastern Michigan University Herbarium (EMC) provides botanical resources, research facilities, and educational opportunities to the University and broader scientific community. The herbarium seeks to continue and develop the scientific acquisition, documentation and monitoring of the plants of Michigan and the Great Lakes Region including those that are threatened, endangered and rare. The herbarium contains over 30,000 vascular plant specimens, mosses, fungi, and algae. Most specimens are from Michigan and Ontario, Canada.

The Eastern Nevada Landscape Coalition's Herbarium specializes in the vascular plants of Nevada with particular emphasis on the Mojave and Great Basin Deserts.

The Elko District Office houses approximately 1200 herbarium specimens collected from northern Nevada’s Great Basin with emphasis on Elko and Eureka counties. Historic collections date back to three specimens from 1915 by S. B. Arthur (1) and Bryant S. Martineu (2), respectively. Other noteworthy collectors represented include Mont E. Lewis and Arnold Tiehm.

This herbarium includes collections from the Mountain City, Ruby Mountains, and Jarbidge Ranger Districts for the Humboldt-Toiyabe National Forest.

The Ely District BLM manages approximately 1500 herbarium specimens collected from throughout eastern and northern Nevada. The collection includes valuable historic specimens collected by Arthur Holmgren during his years at the U. S. Grazing Service from 1938-1941.

Resumen del proyecto

Este proyecto es un esfuerzo por contribuir al conocimiento de la biodiversidad de plantas en México mediante la sistematización y puesta a disposición del público general de la información  sobre los especímenes del género Quercus reunida por nuestro grupo de trabajo. Dado que se trata de una colaboración interdisciplinaria que involucra laboratorios en múltiples países y sitios en México, es de vital importancia la posibilidad que ofrece esta plataforma de gestionar y compartir la información de los especímenes de manera eficiente y que pueda asociarse con otras fuentes de información, como son los datos genéticos, reservas de tejido, rasgos morfológicos y fisiológicos, así como datos ecológicos. Cabe recalcar que los encinos son un grupo de árboles de gran importancia ecológica y económica en México y Centroamérica. En esta región se encuentra uno de los centros de diversificación  más importantes de este grupo, con más de 160 especies reportadas. A pesar de la gran cantidad de servicios ecosistémicos que proveen, para muchas especies no se dispone de suficiente información que permita monitorear la distribución, el estatus de conservación de las poblaciones ni su diversidad genética.

Eno River State Park is located in Orange and Durham Counties, North Carolina.

Phanerogams worldwide with emphasis on tropical and North America, especially rich in collections from Mexico, Guatemala, Costa Rica, Colombia, Venezuela, Ecuador, and Peru; pteridophytes worldwide with emphasis on Guatemala, Costa Rica, Ecuador, and Peru; bryophytes worldwide; mosses of North America, Central America, Andean South America, and Australasia; hepatics of north temperate, South America, and south temperate; all groups of fungi, especially basidiomycetes with emphasis on New World and lichenized fungi of north temperate and Central America; algae worldwide, especially Cyanobacteria; economic botany.

The collection specializes in the vascular flora of southwestern Colorado and the Four Corners Region. The herbarium also contains a small ethnobotanical collection transferred in 2013 from the Fort Lewis College department of Anthropology.  Additionally FLD contains a mycological collection of approximately 1700 specimens of principally wood decay and macrofungi with a geographic focus on southwestern Colorado and the greater southwestern United States. This collection is fully digitized and accessible via the Mycology Collections Portal (https://www.mycoportal.org/).  The bryological collection at FLD was transfered in 2008 to UBC and select specimens can additionally be found at CAS and COLO. 

Specialty: Virginia; Missouri; Andros Island, Bahamas; Puerto Rico. Date Founded: 1967.

The collection as of August, 2023 contains 2147 specimens. The majority of specimens have been collected in Gila National forest and other areas of SW New Mexico. Many specimens were donated by Jack L. Carter, the author of Trees and Shrubs of New Mexico. Dr. Carter was a long-time resident of Silver City, NM, which is also the home of the Gila National Forest Herbarium. Dr. Carter gathered numerous volunteers to document the flora of SW NM during the 1990s. The specimens collected by Dr. Carter and volunteers make up the bulk of the Gila NF Herbarium. Vascular plants are the focus of the herbarium with lichens absent and only two moss specimens present. The Poaceae is especially well represented in the collection. 

Grand Bay National Estuarine Research Reserve in coastal Mississippi is in the initial stages of developing its herbarium collection to support research and outreach activities at the Reserve.  Eventually this small collection (currently <1000 specimens) should represent a plant inventory of the Reserve lands.  By sharing the collection on SERNEC we hope to enlist outside expertise and provide information to potential researchers.  An unusual feature of the collection is that most specimens have a corresponding field observation on iNaturalist, and these observations are referenced on the specimen sheets and in SERNEC.

Museum Collection Herbarium of the Grand Canyon National Park, P.O. Box 129, Grand Canyon, Arizona 86023-0129, U.S.A., (928) 638-7769

The Grand Valley State University Herbarium (GVSC) is located in the Padnos Hall of Science (we will be moving to the new GVSU science building during the summer of 2015). The herbarium holds about 6000 specimens mostly from west Michigan

Update: HSU transferred to BRIT on 4 November 2021. Contact the BRIT Herbarium, herbarium@brit.org. Founded in 1964, the Hardin-Simmons University Herbarium contains approximately 5,500 specimens, most of which are from Texas, and with a special emphasis on Taylor County. This herbarium collection is being digitized with support from the National Science Foundation (Award #:1902078) in collaboration with the Botanical Research Institute of Texas (contact: Tiana Rehman, trehman@brit.org).

The Henderson State University Herbarium and incorporated University of Arkansas - Little Rock Herbarium consists primarily of specimens collected in Arkansas. A research focus of the collection has been documentation of nonnative and invasive species. The HEND and UALR herbaria were moved to ANHC.

We currently house nearly 7000 specimens, mostly representing Central Arkansas. Major collectors include the late Hendrix biology faculty member G. Thomas Clark, David M. Johnson who collected here in the 1970s, and a nice set of most of the fern species of central Arkansas collected by Don Crank in 2010. The herbaria also contains small curated collections of bryophytes, lichen, and macroalgae, databased and searchable through bryophyteportal.org, lichenportal.org, and macroalgae.org.

El Herbario del Instituto de Botánica de la Universidad de Guadalajara (IBUG), fue fundado en 1960. En la actualidad cuenta con más de 220,000 ejemplares de plantas principalmente del Occidente de México.

Herbario de la Universidad Autónoma de Yucatán, "Alfredo Barrera Marín".

El Herbario "Annetta Mary Carter" (HCIB), del Centro de Investigaciones Biológicas del Noroeste, alberga ejemplares herborizados provenientes principalmente del estado de Baja California Sur, y en menor medida, de entidades adyacentes (Sonora, Baja California, California y Arizona). Actualmente, la colección contiene alrededor de 30,000 ejemplares, los cuales pueden ser consultados a través de este portal.

El Herbario de la Unidad Regional Universitaria de Zonas Áridas (URUZA) fue creado en 1984 por la Mtra. Bertha Rodríguez C., en años posteriores se incorporaron Federico Gómez Lorence y J. Santana Méndez Rivera.

El Herbario de la Universidad Autónoma de Aguascalientes (HUAA), perteneciente al Departamento de Biología del Centro de Ciencias Básicas, inició su colección en 1980 y contiene a la fecha más de 30, 200 ejemplares principalmente del estado de Aguascalientes, incluyendo plantas nativas, malezas, ornamentales y plantas con uso regional, además de otros especímenes provenientes de intercambios y donaciones.

Su enriquecimiento está basado en colectas realizadas por el personal que labora en el proyecto Flora del estado de Aguascalientes y por algunos ejemplares colectados por alumnos de la carrera de Biología. Las especies incluidas en el Herbario están ordenadas alfabéticamente por familias, géneros y especies.

Hasta el momento se han registrado para el estado 148 familias, 727 géneros y 2,124 especies. Las familias con mayor número de especies son: Compositae 305 especies, Gramineae 202, Leguminosae 121 y Cactáceas 56 especies.

El Herbario BCMEX se fundó en marzo de 1981 siendo de tipo regional (en el sentido geográfico y biogeográfico), con el propósito de contar con una colección científica de la flora de la península de Baja California e islas adyacentes.

Actualmente, BCMEX cuenta con aproximadamente 24,000 ejemplares, en su mayoría plantas vasculares (22,000) y en menor cantidad hongos y líquenes (2,000). Este acervo proviene de colectas sistemáticas, intercambios y donaciones de ejemplares provenientes de otras partes de México y suroeste de los Estados Unidos.

El Herbario HGOM se encuentra en el Centro de Investigaciones Biológicas (CIB) de la Universidad Autónoma del Estado de Hidalgo (UAEH) en el campus de la Ciudad Universitaria ubicado en Mineral de la Reforma, Hidalgo, México. El herbario HGOM surge como una necesidad de resguardar la flora del Estado de Hidalgo estudiada mediante proyectos sometidos por los investigadores botánicos del Área Académica de Biología. La colección botánica inició con lo que se conocía como colección de Etnobotánica, la cual cuenta con aproximadamente 4,000 ejemplares a cargo del Dr. Miguel Ángel Villavicencio. Este herbario fue creado para resguardar y respaldar la flora Hidalguense vascular del estado de Hidalgo. En este herbario se encuentra depositado material de la flora local del estado, con particular énfasis en gramíneas (Poaceae), helechos y licopodios (Pteridofitas), encinos (Quercus) y recientemente Bromelias (Bromeliaceae) y cícadas. HGOM se encuentra registrado en el Index herbariorum a partir del 2008 y cuenta con aproximadamente 7,000 ejemplares.

Se estima que en el estado de Colima existen más de 4000 especies de plantas vasculares en 5625 km². Esta alta riqueza en un espacio relativamente pequeño se relaciona con un marcado gradiente altitudinal (desde 0 a más de 3000 metros sobre el nivel del mar en menos de 100 km lineares); además, se encuentra en la confluencia del Eje Neovolcánico y la Sierra Madre del Sur, lo que en conjunto genera hábitats de enorme riqueza biológica. Acorde al Inventario Estatal Forestal y de Suelos del 2013, en Colima existen bosques de Coníferas, latifoliadas, bosque mesófilo, manglares, selvas altas y medianas y selvas bajas, estas últimas son las que ocupan la mayor proporción de territorio del estado. Como una estrategia para documentar la biodiversidad del estado y en su momento proponer estrategias de manejo y conservación se propuso la creación del Herbario de la Universidad de Colima, en donde se resguardan especímenes representativos de la flora del estado. Por lo mismo esta colección incluye plantas vasculares y no vasculares terrestres. Debido a su vinculación con la Licenciatura en Biología y el P.E. Ingeniero Agrónomo que ofrece la Universidad de Colima, se encuentra en el Campus Tecomán de la Facultad de Ciencias Biológicas y Agropecuarias (FCBA).

La diversidad de plantas de Sonora refleja variados ecosistemas y tipos de vegetación: selva baja caducifolia, matorral espinoso de piedemonte y matorral espinoso costero, desierto sonorense, desierto chihuahuense, bosque madrense, pastizal desértico, y humedales como manglares y bosques de río. La flora del estado de Sonora, con un área de 184 mil 934 km², actualmente contiene 3,663 taxones específicos e intraespecíficos documentados con ejemplares de herbario.

La colección botánica más importante en Sonora se encuentra en el Herbario USON de la Universidad de Sonora, supera los 30 mil 600 ejemplares, de los cuales más de 23 mil 400 representan arriba de 3.5 mil taxa de Sonora. El Herbario USON está adscrito al Departamento de Investigaciones Científicas y Tecnológicas de la Universidad de Sonora (DICTUS) y, por sus líneas de investigación, se encuentra dentro de la Academia de Conservación y Aprovechamiento de la Diversidad Vegetal (ACADIVE).

Actualmente, el Herbario HCIAD está conformado por 2307 ejemplares, pertenecientes a 918 especies, 503 géneros y 124 familias. La mayoría de las especies fueron recolectadas en el Área de Protección de Flora y Fauna “Meseta de Cacaxtla” y la Región Prioritaria para la Conservación “Monte Mojino”. Cabe enfatizar que todas las especies fueron identificadas por botánicos expertos en sus respectivos grupos taxonómicos.

En el estado de Zacatecas convergen dos reinos biogeográficos: el holártico y el neotropical (Rzedowski, 1991; Balleza y Villaseñor, 2002). Presenta cuatro provincias fisiográficas, la Sierra Madre Occidental, la Sierra Madre Oriental, la Mesa del Centro y la Faja Volcánica Transmexicana (INEGI, 2001; Balleza y Villaseñor, 2002). Por lo que, estos factores crean en el territorio zacatecano una serie de condiciones climáticas, de relieve y edáficas óptimas para el desarrollo de diversas especies de flora, fauna y de diferentes comunidades vegetales que pueden ser conservadas.

Esta falta de documentación y el cambio de uso de suelo ocasionado por la minería, la agricultura y la ganadería (SEDUZAC, sf.) impide conocer los impactos que ha sufrido la biodiversidad en la entidad y al mismo tiempo generar estrategias para mitigar estos impactos. Además, vuelve urgente la documentación de la diversidad florística para estudios ecológicos, biogeográficos y evolutivos para el entendimiento y conservación del Estado.

A falta de un listado taxonómico actualizado de la flora de Zacatecas, Villaseñor (2016) reporta 3,705 especies de plantas vasculares. No obstante, el Estado presenta un bajo número de estudios florísticos en comparación con otros estados del país (Dávila y Sosa, 1994; Ramírez-Díaz, 2016).

El herbario “Isidro Palacios” de la Universidad Autónoma de San Luis Potosí fue registrado en el “Primer Catálogo de los Herbarios Institucionales Mexicanos” en 1976, pero sin siglas, con 12,600 ejemplares. Después quedó registrado en el “Index Herbariorum, The Herbaria of the World” (Seventh Edition, 1981), con las siglas SLPM, con 16,000 ejemplares.

Actualmente el acervo esta conformado por 56,219 especímenes catalogados. El acervo se encuentra organizado en cuatro grupos taxonómicos: helechos, gimnospermas, monocotiledóneas y dicotiledóneas. Es una colección formada por plantas debidamente procesadas (recolecta o herborización, toma de datos, prensado, secado, etiquetado, montaje, registro e intercalado), pues fue creada para investigación y docencia, el herbario cuenta con una colección histórica aportada por el Dr. Jerzy Rzedowski Rotter, con varios miles de plantas. Otras colecciones significativas fueron las realizadas por A. Gómez G, T. Takaki T, y J. Villa V.

El herbario cuenta con los siguientes ejemplares de importancia taxonómica: tres holotipos, 44 isotipos, 23 paratipos, 1 isoparatipo y 13 topotipos. Además, existe una colección de 40 fototipos de cactáceas y 22 fototipos que corresponden a 10 familias de monocotiledóneas.

El Herbario de la Universidad Autónoma de Querétaro "Jerzy Rzedowski" (QMEX) se aloja en la Facultad de Ciencias Naturales en el Campus Juriquilla. El herbario posee una colección importante de plantas de la región y sus alrededores, como los estados de Guanajuato, Hidalgo, San Luis Potosí y Estado de México. Sin embargo varios proyectos botánicos desarrollados por los investigadores han creado colecciones importantes de otros estados del país.

Colecciones importantes: Solanáceas; Poaceae; Musgos; Certificación de Cactáceas Mexicanas Amenazadas; Plantas acuáticas y semiacuáticas; Flora de la Sierra de San Carlos, Tamaulipas; Flora y Vegetación Nativa del Municipio de Querétaro y Zona Conurbada; Agaváceas, Nolinánceas y otras Asparagales mexicanas.

El principal acopio de la flora de Sinaloa se encuentra en el herbario "Jesús González Ortega" (UAS) de la Facultad de Agronomía de la Universidad Autónoma de Sinaloa, con una cantidad aproximada de 25,000 ejemplares.

El Herbario Jorge Arturo Alba Ávila (HJAAA-FCB) se encuentra en la Facultad de Ciencias Biológicas de la Universidad Juárez del Estado de Durango en Av. Universidad S/N, Filadelfia, 35010 en la ciudad de Gómez Palacio, Durango. El herbario se fundo en junio de 2015 en honor a nuestro colega, compañero y amigo de quien lleva su nombre. La conformación de éste noble proyecto ha sido gracias a la participación continua de su STAFF que ha estado formado exclusivamente por estudiantes de las carreras en Ecología y Biología. Su colección está dirigida al conocimiento de la diversidad florística de la zona semiárida de Durango y regiones aledañas.

El Herbario CIIDIR, del Instituto Politécnico Nacional en Durango, México, es una colección de muestras botánicas herborizadas y organizadas sistematicamente con información taxonómica, geográfica y ecológica.

Cuenta con mas de 60,000 ejermplares integrados y mas de 30,000 en proceso, y con una base de datos automatizada que facilita la consulta de información sobre las plantas y la vegetación de Durango y de buena parte del norte de México.

A partir de 2005 la colección lleva el nombre de "Mtra. Graciela Calderón Díaz-Barriga y Dr. Jerzy Rzedowski Rotter", en honor a dos connotados botánicos mexicanos, egresados politécnicos, que han apoyado el desarrollo de esta y otras colecciones botánicas en el país.​

El Herbario Nacional de México (MEXU) custodia la colección más importante de plantas mexicanas. Con más de 1 300 000 ejemplares es el herbario más grande del país y América Latina; se encuentra entre uno de los diez herbarios más activos del mundo. Las colecciones continuamente se incrementan con las colectas del personal académico asociado al herbario, por el programa de intercambio de especímenes con otras instituciones y por donaciones.

Además, el herbario tiene su propio programa de crecimiento en áreas prioritarias y distribuye los duplicados a otros herbarios a través del intercambio. El acervo está disponible a través del programa de préstamos, lo que permite que la colección se actualice de acuerdo a los cambios taxonómicos.

El Herbario Nacional contribuye al avance científico ya que es una fuente primaria de consulta sobre la diversidad vegetal de México y otras áreas del mundo. Es un apoyo para la elaboración de floras nacionales o regionales, listados florísticos, monografías y revisiones taxonómicas. Además, es un respaldo invaluable para el desarrollo de investigaciones sobre sistemática, ecología, fitogeografía, etnobotánica, paleobotánica y conservación.

El Herbario del Jardín Botánico inició oficialmente su colección en 2014, lleva el nombre y busca honrar a un destacado naturalista británico-estadounidense, residente en San Miguel de Allende durante varios años, quién estudió y publicó los primeros trabajos florísticos del Charco del Ingenio (1994-2007). Esta colección contiene principalmente ejemplares de la flora espontánea del Área Natural Protegida y Jardín Botánico “El Charco del Ingenio” y zonas aledañas, así como de la reserva forestal “Cañada de los Pajaritos”, ubicada en la cima de la vecina serranía de Los Picachos. El Herbario tiene el propósito de resguardar y fundamentar sobre todo la flora de la región norte-noreste del estado de Guanajuato. El acervo se encuentra organizado en cuatro grupos taxonómicos: líquenes, helechos, gimnospermas y angiospermas, los cuales están ordenados alfabéticamente por familias, géneros y especies. Su enriquecimiento se basa en las colectas de plantas nativas, malezas, ornamentales y plantas de uso regional, además de otros especímenes provenientes de intercambios y donaciones. El Herbario se suma a la colección de plantas vivas del Jardín Botánico, ampliando el acervo del mismo como colección botánica de enorme valor científico.

El Herbario-Hortorio del Colegio de Postgraduados fue fundado en 1973 y se reconoce internacionalmente con el acrónimo de CHAPA. Se localiza en el edificio de Botánica y debe su nombre al énfasis que pone al conocimiento tanto de las plantas silvestres como cultivadas.

The herbarium of the Natural History Museum at the Tom Ridge Environmental Center contains specimens from northwestern Pennsylvania, primarily from Presque Isle State Park and Erie Bluffs State Park.

The Howard Payne University Herbarium was founded in 1965 and now includes about 60,000 specimens. It is particularly rich in specimens from Central Texas, particularly the Edwards Plateau, and Sonora and Baja California, Mexico, and has strong holdings of ferns from Texas. Its notable collectors include J.L. Blassingame, U.T. Waterfall, W.T. McCart, C.M. Rowell, Jr. and J. Stanford.

The Howard University Herbarium (HUDC) is a collection of ca. 12,000 plant specimens housed in Just Hall on Howard University’s main campus. The collection includes a donation from the former Catholic University herbarium, with >1000 specimens from the Caribbean collected between 1890-1920. Other collection strengths include plants of the Mid-Atlantic, especially the DC metropolitan area. Charles Parker, Marie Clark Taylor and H. David Hammond also made substantial contributions the Howard University Herbarium.

The Humboldt-Toiyabe Headquarters Herbarium was established in 1901 to support floristic, ecological, and other botanical studies in the florest. Its collection consists almost entirely of vascular plants from the forest and the surrounding region.

The Huntington Botanical Gardens Herbarium (HNT) was founded in the 1960’s by Myron Kimnach, director of the botanical gardens from 1962 to 1986. It is a depository of mostly exotic plant specimens used in research and teaching. The purpose of these specimens is to serve as voucher documentation for research projects, and as resources for plant identification. With over 10,000 specimens, it is an archive of vascular plants from around the world, with particular emphasis on plants from Mexico, Central America and South America. Important collections include those of F. Boutin, J. P. Folsom, D. R. Hodel, D. de Laubenfels, M. Kimnach and R. Moran. Plant families well-represented include Arecaceae, Cactaceae, Crassulaceae, Euphorbiaceae, and desert plants worldwide. In addition, the herbarium receives and provides loans of plant specimens used in active systematic research.

The Huntington University Herbarium contains ~12,000 specimens dating from the 1880s to the present, collected primarily from NE Indiana. The herbarium was founded ca. 1900 by Dr. Fred A. Loew, and is currently housed in the Dowden Science Hall on the campus of Huntington University.

The herbarium contains 280,000 plant specimens and the fungarium contains 75,000 fungal specimens.
Specialty: Vascular plants and fungi of Illinois, southeastern and midwestern U.S., Great Smoky Mountains National Park; limited neotropical; recent Kyrgyzstan; Rosaceae subfamily Maloideae.
Date Founded: 1858.

The Department of Biology administers the Indiana University Herbarium (IND). Founded in 1885, the herbarium houses over 155,000 specimens of vascular plants, including the collections of Charles C. Deam on which the Flora of Indiana is based.

This collection contains approximately 10,000-12,000 specimens from around the world, with emphasis on species native to western Pennsylvania.

The Department of Biology (School of Natural Sciences) administers the Indiana University Southeast Herbarium (JEF). Founded in 1971.

Records in this database are of the vascular plants and algae (of which there are very few) in the Intermountain Herbarium. Records for fungi, lichens and bryophytes are now being posted to the taxon-specific networks. The geographic focus of the Intermountain Herbarium is the Intermountain Region of western North America but its holdings come from many different countries. It even has one or more specimens from each of the seven continents. The collection is particularly rich in the Scrophulariaceae (traditional sense), Eriogonum, and grasses, including voucher specimens of plants used by the late D.R. Dewey in his cytogenetic studies of the Triticeae.

The Ada Hayden Herbarium has the largest collection of Iowa plants and fungi, containing over 650,000 specimens of vascular plants, bryophytes, fungi, and lichens. Functioning primarily as a research facility important for taxonomic studies (occurrence, distribution, and relationships of plants), it is also used for identifying unknown plants. Specimens are loaned to specialists at other institutions around the world to support research. Loans from other institutions allow our researchers access to other herbaria. Recently, herbaria have become a source of materials to use in molecular studies and to support basic research on biodiversity.

The Jewell and Arline Moss Settle Herbarium is a small regional herbarium containing approximately 15,000 specimens, including vascular plants, bryophytes, lichens, fungi, and algae. The majority of its holdings are from central New York and Adirondack Park. Functioning primarily as a teaching herbarium, it also contains vouchers for New York State county floras and supports molecular and ecological research on plants of New York State.

The vascular plants are primarily from Kansas and the Great Plains, but also include some specimens from all parts of the world. Preparations are mostly traditional herbarium sheets, with a few boxed collections. Collections mostly span from the 1870s to the present, with about 30% of the specimens collected more than 100 years ago.

The Kathryn Kalmbach Herbarium (KHD), a collection of over 75,000 vascular plant specimens, is a regional herbarium with a research focus on the species diversity of Colorado and the Southern Rocky Mountain region. The collection also contains species that are in cultivation at Denver Botanic Gardens. Most of the specimens within the collection have been digitized, and their photographs may be found online. Higher resolution images are also available upon request. Specimens collected in 2017 and later are likely to have an associated tissue sample available on GGBN.

Taxonomic Coverage: Tracheophyta and select Bryophyta (musci)

Geography: Louisiana and surrounding states

Quarantine Requirements: Specimens will be frozen on arrival and whenever evidence of pests are found.

Notes: Entered Aug 2022. This herbarium has been founded to store and permit study of important collections from the flora of Louisiana and the surrounding states. In particular, it will house voucher sets for published floristic, phytosociological, and phytogeographical studies of remnant and disturbed habitats as well as range-record collections. As it grows it will function as a resource for botanical courses and enable comparative identifications for technical groups.

Collection of about 4000 specimens that are primarily vascular plants with some marine algae. Specimens dried and mounted on standard herbarium sheets. Most specimens are from Kennedy Space Center, Merritt Island National Wildlife Refuge, Canaveral National Seashore, Cape Canaveral Air Force Station, and mainland Brevard County. Additional collections from central Florida. Some plants from Langley Research Center, Hampton, Virginia. Collection dates from 1970s to present.

Founded in 1921, the Tom S. & Miwako K. Cooperrider Herbarium at Kent State University (KE) currently houses approximately 93,000 specimens of vascular plants, bryophytes, and lichens. The collection primarily focuses on the flora of northeastern Ohio and adjacent regions. Significant collections include those of T. S. Cooperrider and his students, and the late 19th and early 20th century collections of Almon Rood and his contemporaries.

The Klamath National Forest encompasses nearly 1.7 million acres of land straddling the California and Oregon border in the Klamath-Siskiyou Mountain Ranges. In the mountains to the west, the terrain is steep and rugged, while the east-side has gentler, rolling terrain of volcanic origin, sprinkled with buttes and valleys. Elevations range from 450 to 9,001 feet above sea level at Thompson Peak, on the Siskiyou-Trinity County divide. The Klamath National Forest is one of America’s most biologically diverse regions, due to the blending of four floristic provinces and boasts a center of coniferous diversity (19 species) in the Russian Wilderness. The Klamath National Forest Herbarium aims to preserve and record the many rare and endemic species unique to the region.

The Lady Bird Johnson Wildflower Center was founded by Lady Bird Johnson and Helen Hayes as the National Wildflower Research Center in 1982, as a private nonprofit research organization focused on Texas wildflowers. The herbarium at the Center was established in 1987 to support ongoing research efforts in species conservation, ex-situ plant conservation (including seed banking), habitat restoration, and landscape ecology. Although some of the earliest accessions in the herbarium carry the stamp of the National Wildflower Research Center, the institution was renamed the Lady Bird Johnson Wildflower Center in 1997 in recognition of Mrs. Johnson’s environmental legacy as well as the Center’s evolution into a major regional botanical garden. Subsequently, the Center joined the University of Texas at Austin in 2006 as one of its research units. The JWC herbarium’s collections almost exclusively voucher research projects conducted over the years by its staff and associates, as well as samples collected on behalf of the Millennium Seed Bank.

Established in 1961, the Louisiana State Arboretum was the first such area in the South and the first state-supported arboretum in the United States. The 600 acre site is the only Louisiana state-owned preservation area open to the public, providing a little over 5.5 miles of hiking trails along a Cypress-Tupelo Swamp, through a Bottomland Hardwood Forest and along ridges of a Beech-Magnolia Forest. In 1967, Horticulturist Nick A. Tuzzalino collected some of the first plants to be preserved for the arboretum’s herbarium. In the early 1980’s, Charles A. Allen, at that time a Botany graduate student, was hired to collect and preserve as many plant specimens as he could find and identify in the initial 300 acres open to the public. There are now about 600 specimens in the herbarium collection.

The collection consists of about 17,000 specimens specializing in northwest Louisiana and southwest Arkansas vascular flora.

Shirley C. Tucker Herbarium at Louisiana State University, Vascular Plant Collection contains 310,000+ specimens. Several regional herbaria are integrated entirely or in part, including NO, LSUS, MCN, NLU, Eglin Air Force Base, and New Orleans Academy of Sciences. Only Tulane University Herbarium (NO) remains a distinct collection.  Geographic distribution is global, but strengths are Louisiana and the southeastern USA, southen California, Colorado Rocky Mountains, Yucatan Peninsula, Colombia and Brazil. Families well-represented include Asteraceae, Fabaceae, Cyperaceae, Rubiaceae, and Poaceae. Significant collectors include: Fr. G. Arsène, L. M. Booth, C. A. Brown, I. W. Clokey, R. S. Cocks, D. Demaree, J. A. Ewan, A. Featherman, A. Gray, J. Hale, J. F. Joor, D. D. Keck, E. P. Killip, J. G. Lemmon, Y. E. J. Mexia, F. W. Peirson, N. F. Peterson, J. L. Riddell, and D. Stone, R. D. Thomas, S. C. Tucker, L. E. Urbatsch, I. Vélez, and E. C. Wurzlow.

Four thousand dried, mounted specimens, mainly from Minnesota and Illinois, including wetland collections from Cedar Creek Natural History Area (University of Minnesota), Boundary Waters Canoe Area Wilderness (Jitterbug Lake, post blowdown, pre-fire), Glacial Park (McHenry County, IL), Loyola University Retreat and Ecology Campus (McHenry County, IL), as well as student contributions – emphasis on wetland plants, vascular plants

Crowd Source MUHW Specimens

Collection founded to document the rare species of Maryland; however, the collection houses a reference collection, particularly for difficult groups, e.g., Carex (Cyperaceae) is well-represented (~ 1000 sheets).

Collection records at UNCC may contain language that reflects historical place or taxon names in an original form that is no longer acceptable or appropriate in an inclusive environment. Because UNCC preserves data in their original form to retain authenticity and facilitate research, we have chosen to facilitate conversations and are committed to address the problem of racial, derogatory and demeaning language that may be found in our database. Insensitive or offensive language is not condoned by Mecklenburg County.

Miami University is the home of Ohio's largest herbarium, the Willard Sherman Turrell Herbarium. The herbarium's holdings of approximately 620,000 specimens are worldwide in both geographical and taxonomic coverage. The collection consists of 330,000 vascular plant specimens, as well as 140,000 bryophytes, 100,000 fungi, 35,000 lichens, 10,000 algae, and 5,000 fossil plants. There are several thousand type specimens contained in the collection, as well as many sets of cryptogamic exsiccatae. Active exchange programs are ongoing with many herbaria worldwide to ensure the continued breadth and depth of the collection. The W.S. Turrell Herbarium Fund is an endowment which benefits the herbarium, and is restricted to support of the research activities of the staff and students in systematic botany.

The MSU Herbarium was founded in 1863 with the donation of a large collection of plants from Michigan and the eastern U.S. Today, we remain focused on plant and fungal diversity from Michigan, but the collection is also rich in plants from Mexico and southeast Asia, and lichens from the Caribbean and the subantarctic region. With over half a million specimens, the MSU Herbarium is among the 50 largest herbaria in the United States, whereas the lichen collection, with 120,000 accessioned collections, is among the 10 largest in North America and, because of its geographical scope, of international importance.

The MPM herbarium (MIL) began with a donation of 5,190 plant specimens in 1883 to the new City of Milwaukee Museum from the Wisconsin Natural History Society. This early collection has some of the oldest material in the herbarium, dating back to the 1850s and is heavily European in origin. Today the collections number around 250,000 specimens including ca. 70 type specimens with over 50% of the material from Wisconsin and another 30% from the rest of North America. The collections are divided into vascular (107,000 records) and nonvascular (17,000 records) plants with associated data digitized.

The Mississippi Museum of Natural Science Herbarium currently consists of over ~70,000 mounted plant specimens, with approximately 2,000 unmounted specimens in various stages of preparation. Collections from ~29 states are found in the herbarium; however, the majority of the collection (93%) is composed of specimens from Mississippi.

Plants are essential to sustaining the stability and quality of human life on this planet. At the Missouri Botanical Garden, we have dedicated ourselves to helping conserve biological diversity while there is still something left to protect. Our research provides scientific information essential to decision makers, from conservation and land use to social and environmental policy. We have taken the lead in making information widely accessible via the Internet, maintaining the world's largest botanical database and the premier botanical website, TROPICOS. Garden scientists conduct the most productive and geographically widespread botanical research program in the world. A tiny sample of its herbarium records are presented here; providing more will require funding.

This dataset contains only MO specimens collected in North America.

Pressed herbarium specimens arranged by plant family from Missouri State Parks. Collections began in the late 1970s and continues to the present day.

Specializing in flora of the north central and eastern plains of Montana, the Montana State University Northern Herbarium represents a new repository for plants growing in the diverse habitats associated with this geographical area. In addition to grass- and shrub lands, we house specimen vouchers from localized mountain areas that rise above the plains (e.g., Sweetgrass Hills, Bears Paw and Little Belt Mountains). Plants collected from prairie potholes and limestone outcrops, as well as those from cottonwood dominated riparian areas and gumbo bluffs associated with the Missouri River Breaks, are included in the collection. Voucher age ranges from the early 1900’s to the present and some of these represent plants collected from more well-known regions, e.g., Yellowstone, Rocky Mountain, and Glacier National Parks.

The herbarium of the Morris Arboretum of University of Pennsylvania contains mostly vascular plants of Pennsylvania, and also vouchers for the living collection at the arboretum, and some temperate, woody plants of Europe and Asia.

Muhlenberg College Herbarium has over 40,000 specimens focusing on the flora of Lehigh and Northampton Counties in Pennsylvania. Collections were made from the early 1900s through 1990.

The Murray State University Herbarium (code MUR), Murray, KY, was created through the efforts of Dr. Marian Fuller in the late 1960s. She combined a number of smaller plant collections that had accumulated over the years since the beginning of the university in 1922, in addition to adding many specimens of her own. Over 40,500 plant specimens are currently housed in the herbarium, which makes MUR the third largest collection in the Commonwealth of Kentucky. The H. Raymond Athey collection, the largest individual collection of almost 6,000 specimens, also is housed in the herbarium. The herbarium is the repository of the largest collection of the Jackson Purchase area (Mississippi Embayment) flora in the state. Approximately 56% of the specimen records have been cataloged electronically and are available on-line through this searchable database. This herbarium has been supported by many volunteers; the MSU College of Science, Engineering, and Technology; the Department of Biological sciences; the Watershed Studies Institute; and the Kentucky Academy of Science.

The Muskegon Community College Herbarium has specimens dating from 1894 to the present day with 1,950 specimens and counting. Collectors include Cal Scott from West Bend, Wisconsin in 1974; MCC student Kathy Anderson in 1968; Reverend Clinton Frank of Hope College in 1917, MCC student Engelien de Bruin in 1987, who now teaches in the Netherlands, and Theresa Van Veelen, who taught at MCC and digitalized the herbarium in 2016.

A small 9,000 specimen collection focusing on the Mogollon Highlands region of Arizona.

The mission of the New Mexico Museum of Natural History and Science Bioscience Collection is to provide access to the museum’s collections of plants, mammals, birds, reptiles and amphibians, insects and molluscs that represent the natural history of New Mexico and southwestern North America (United States and Mexico).These collections are used for education, research and exhibits. The botany specimens are preserved herbarium sheets with some seed slides.

With more than 7.8 million preserved specimens, the William and Lynda Steere Herbarium is the largest herbarium in the Western Hemisphere.

The NCSM Herbarium is located at the North Carolina Museum of Natural Sciences in Raleigh, North Carolina. The collection of ca 2000 specimens focuses on native flora of North America, with particular emphasis on the southeastern United States. Important collectors include John I. Connors (former NCMNS staff, retired 2012), Dr. Lisa Kelly, UNC Pembroke (esp. flora of Huggins Island, Onlsow County, NC), and Dr. Patrick D. McMillan (former NCMNS staff ca 1991-2000). NCSM does not loan specimens, but researchers are encouraged to contact Dr. Bronwyn Williams (Curator of Non-Molluscan Invertebrates) or Megan McCuller (Collections Manager of Non-Molluscan Invertebrates) to arrange a visit to the NCSM Herbarium. 

The NDSU Herbarium (NDA on Index Herbariorum) was founded in 1890 and contains an estimated 250,000 collections of vascular plants (sheet mounted) dating back to the mid-1800s. The geographic and taxonomic emphasis of the collection is the Northern Great Plains region. The herbarium houses collections from at least 58 countries representing more than 200 families (>2,500 genera) spanning the globe from the poles to the tropics.

The Joe M. Anderson Herbarium was founded in 1970 and is housed at Northeastern State University in Tahlequah, OK. Northeastern State University  is a public higher education institution, and is the oldest institution of higher learning in Oklahoma. The herbarium has approximately 5170 specimens, and faculty, graduate, and undergraduate students have been actively adding specimens to the collection each year. The collection is focused on the regional plants of eastern Oklahoma and western Arkansas, with a number of specimens collected by forester Elbert L Little Jr. (1907-2004).

The herbarium at NIU is an internationally recognized systematic collection, initiated in the 1960s and enlarged significantly during the 1970s to the present. Holdings presently total about 23,000 specimens of vascular plants plus an additional 8000 bryophytes. A very large portion of the bryophytes (about 6000 specimens) is on permanent loan to MO (Missouri Botanic Garden).

Special collections include a definitive collection of the genus Dahlia, which contains holotypes and isotypes plus a thoroughly documented array of hybrids between authenticated wild species. A second important collection is of Arbutus that also includes type material. The troublesome genus Agrimonia is more completely documented at DEK than at any other herbarium in the world. In Zygophyllaceae, there is a substantial collection of species of Guaiacum, for which sequenced marker loci are indicated. The collection also emphasizes grassland species and those for which genetic resources, especially complete plastome sequences, are available.

DEK presently maintains exchange relationships with more than 26 domestic and 6 foreign herbaria. As a consequence, coverage, while emphasizing the flora of Illinois, is worldwide.

The John W. Thieret Herbarium (KNK) at Northern Kentucky University, in Highland Heights, Kentucky, specializes in flora of the southeastern and midwestern US. Most of our approximately 30,000 collections are from Kentucky, Louisiana, Mississippi, and Ohio. In addition, we have many specimens from the Canadian Arctic, which was one of Dr. Theiret's regions of interest. Due to the combined efforts of Dr. Thieret and Dr. Naczi, we also have especially good collections of sedges (Cyperaceae) and grasses (Poaceae).

The Northwestern Oklahoma State University Herbarium specializes in vascular plants of Northwestern Oklahoma. Located in Alva, OK, it was founded in 1912 and houses approximately 3,800 specimens. Important collectors who have contributed to the collection are G. W. Stevens and P. Nighswonger, among others.

The Oakland University Herbarium collection contains approximately 2000 specimens, made up primarily of vascular plants. A large portion of the specimens in the collection came from an original donation by the Cranbrook Institute of Science to Oakland University, with many other specimens having been contributed by students. Collection dates range from the late 1800's to present, and the geographic range is primarily focused in Lower Michigan with more sparse representation throughout Michigan and the Northeast US.

Currently, the Bartley Herbarium consists of approximately 55,000 mounted and accessioned specimens, plus several thousand additional unmounted and unaccessioned specimens being processed. Of these, 30, 657 specimens were collected in Ohio, with the remainder being mostly from other parts of the eastern United States. Our Herbarium is the largest in Appalachian Ohio and seventh largest in the state. It is particularly rich in specimens from southern and southeastern Ohio, due to the efforts of Floyd Bartley and subsequent botanists who have been active in the region. It has the largest holding of vascular plant specimens from the unglaciated, Appalachian region of Ohio. The Bartley Herbarium is the main repository for flora projects conducted in this region, as well as the recipient of vouchers from ecological investigations and regional systematic studies of particular plant groups.

The OSU Herbarium contains approximately 157,000 vascular plant specimens, about two-thirds of which were collected in Oklahoma and surrounding states. The oldest specimen dates from 1843, and the collection contains 300 type specimens. Since its establishment in 1920, it has been curated by Henry Ira Featherly (1925-1937), Robert Stratton (1937-1949), Umalde Theodore (“Ted”) Waterfall (1949-1971), and Ronald Tyrl (1972-2008). Since 2009, Mark Fishbein has been the herbarium director. The herbarium houses a seed/fruit collection, cryptogamic collection, and botanical library.

Herbarium containing primarily vascular plants of the Atlantic Coastal Plain of Virginia and North Carolina.

The Oregon State University Herbarium houses approximately 550,000 vascular plant, bryophyte, algal, and fungal specimens. The collections are worldwide in scope, with a focus on the state of Oregon and the Pacific Northwest.

The LLC herbarium was founded in 1932 through the efforts of Sister Mary Clare Metz (1907–1998) at what was then known as Our Lady of the Lake College, the first accredited institution of higher learning in San Antonio, which was started in 1895 by the Sisters of the Congregation of Divine Providence. Metz spent her adult life as a nun in this order, which sent her to college to study biology at a time when the school needed life-sciences faculty. She collected more than 1,000 specimens during her doctoral work at the Catholic University of America, where her research resulted in A Flora of Bexar County, Texas, the first detailed study of the plant life of the San Antonio area. After achieving her Ph.D., Sister Mary went on to a lengthy career teaching biology courses at Our Lady of the Lake, and also curated the LLC herbarium. She was so revered by the faculty and student body, that the building that currently houses the herbarium and other science functions is named in her honor.

The herbarium currently curates ca. 10,000 specimens with a heavy emphasis on the flora of the San Antonio metropolitan region. After Metz retired, the herbarium entered a less active phase. However, starting in 2021 the herbarium has been revitalized and increasingly is being used for teaching and research.

Specialty: Vascular plants of coastal regions from San Francisco Bay to southern Oregon; Napa County, California; Klamath Mountains; Arizona; Nevada.
Date Founded: 1967.

The Pennsylvania Agricultural College (PAC) Herbarium represents one of the oldest natural history collections at Penn State University. Established in 1859 with 3,000 specimens donated by Penn State’s first president Evan Pugh, the collection has since grown to over 100,000 items including mounted voucher specimens, seed vials and jars, and specimen jars which hold a portion of the algal collection.

The 52,750 specimens document the distribution and natural variation of vascular plants and bryophytes, primarily from Kansas, adjacent states and North America, but also 60 foreign countries. Approximately 12,020 new collections have been added the past decade, mostly comprising student collections. Ca. 800 specimens are backlogged, mostly from North America but also some 500 from Madagascar and many hundreds of bryophytes. Many specimens are unicates. Important holdings from abroad include the Democratic Republic of the Congo (T. M. Sperry), Peru (H. Tuomisto), Myrtaceae (H.S. MacKee and others from New Caledonia); Eugenia and Syzygium from Madagascar, Poaceae (worldwide), and 30 isotypes. Data for ca. 6300 bryophytes are here or at the Consortium of Bryophyte Herbaria (https://bryophyteportal.org). Some collections of fungi and algae used primarily in teaching will be datasased in the future. Phenological data (flowering/fruiting) and geocoordinates are present for ca. 45 percent of the specimens; and over 15 percent are vouchers for published research. Student and volunteer curatorial assistance and financial support from the National Science Foundation (CSBR 1756276) are gratefully acknowledged. Homepage: https://www.pittstate.edu/biology/the-sperry-herbarium.html 

The Prescott National Forest Herbarium is a collection of plants that have primarily been collected within the Prescott National Forest.

The Putnam Museum & Science Center herbarium holds nearly 19,000 specimens. Contributions to the collection, made by approximately 450 botanists, span the years 1834 to 1989 and represent 20 countries. The herbarium is largely of North American origin (92%). Though 46 U.S. states and Washington, D.C. are represented, nearly half of the specimens are from Iowa and Illinois (48%), due to extensive collecting completed to document the flora of the Quad Cities region. Angiosperms predominate (92%), but pteridophytes (3.5%), bryophytes (2.6%), and algae (1.2%) are also present. Of the approximately 1450 genera in 314 families in the herbarium, the Asteraceae, Cyperaceae, Fabaceae, Poaceae, and Rosaceae combined make up 38% of the total.

The Raven Rock State Park Herbarium curates about 300 specimens. Most of the specimens were collected within Raven Rock State Park in Harnett County, North Carolina, USA. Important collectors include Paul C. Hart, Mary E. Stevens, Molly Salsig (Fullwood), Tom E. Howard, J. D. Shatterly, and S. Vitamvas. Current collectors include Dr. J. Christopher Havran and his students at Campbell University in nearby Buies Creek, North Carolina.

The herbarium houses over 4600 specimens comprising approximately 1400 taxa mostly from the south Texas Coastal Bend.

Housed in the Rochester Museum and Science Center in Rochester, New York, the Rochester Academy of Science Herbarium contains about 30,000 plant specimens, collected in New York State. Most were collected between 1860 and 1950, with some more recent additions.

Vascular Plants curated within the Rocky Mountain Biological Laboratory Herbarium. Specimens date to 1929 and are primarily from the East River and upper Gunnison basin.

Pollen reference collection curated within the Rocky Mountain Biological Laboratory Herbarium. Collection assembled from various research groups studying pollination biology over the past 50 years.

Founded in 1893 by Aven Nelson, the Rocky Mountain Herbarium (RM) contains the largest collection of Rocky Mountain plants and fungi in existence with additional representation of the floras of other parts of the Northern Hemisphere. It ranks 17th in the nation with 825,000 specimens [with approximately 25,000 new specimens added each year] and is the largest facility of its kind between St. Louis, Missouri, and Berkeley, California

In 1914 the herbarium of Saint Ambrose University was established as an addition to the biology department by Monsignor Ulrich A. Hauber. The herbarium currently holds over 900 of Hauber’s collections that were among the first specimens added to the facility and just over half of his collections were from the Quad Cities area. Today’s herbarium holds approximately 4500 specimens and, though it includes bryophytes, pteridophytes, gymnosperms, and fungi, flowering plants comprise nearly 90% of the total. Over 96% of the St. Ambrose University herbarium hails from the United States, with the remainder having been collected in the Bahamas, Brazil, Canada, Germany, and Switzerland. Just over 3200 specimens in the St. Ambrose University herbarium were collected in Iowa and about 2300 (~50% of the total) document the flora of the Quad Cities region, the area within which the university is found.

The Saint Edward’s University Herbarium collection, which was established in the late 1950s, is a fruit of the work of Brother Daniel Lynch, CSC, and his dedicated students. Br. Daniel (1921–1997) was beloved throughout Central Texas, and many university benefactors contributed to funds that supported his scholarship and his service to marginalized communities. He used some of those funds to buy herbarium cabinets and supplies as he built the collection. He relied heavily on the herbarium as he worked with the illustrator, Nancy McGowan, to complete Native and Naturalized Woody Plants of Austin and the Hill Country. This reference was originally published in 1981 and is still widely used by botanists around the state. In addition to his high level of scholarship, Br. Daniel was a stellar teacher at St. Edward’s for more than 40 years. His students not only learned from the herbarium collection, but they also helped him to build it. Today, the collection is used primarily to support teaching in the natural sciences, but also serves as a repository for voucher specimens documenting the plant diversity of the associated Wild Basin Wilderness Preserve and Creative Research Center.

This herbarium collection has been imaged and digitized under the direction of Museum Curator Dr. William Godwin, with the assistance of an NSF subaward, "Digitization TCN: Collaborative: American Crossroads: Digitizing the Vascular Flora of the South-Central United States" (Award no. 1902078). The records here are presented as a data snapshot, as Dr. Godwin reports that Discover Life will host the collections' digital presence.  

The San Diego Natural History Museum Department of Botany focuses on biodiversity, evolutionary history research, and documentation of the flora in Southern California, Baja California, and adjacent areas. With a collection dating back to the 1870s, the SD Herbarium is invaluable as a scientific resource that documents regional plant populations and has been used for basic natural history research. Botanists with regional colleges, universities, and museums utilize the collections for their own research and for student projects, both by visiting the collection in person and/or through loans. The SD Herbarium houses over 270,000 accessioned specimens, all of which have been databased. Specimens from southern California account for nearly half of our collection and about 20% of our collection is from Baja California. Nearly all San Diego County and Baja California records have been georeferenced (99%). The Botany Department maintains two web sites that serve researchers with searching and mapping pages, checklists, voucher images, data input forms for collectors, and other tools for using our collections. SDPlantAtlas.org serves researchers interested in the plants of California’s San Diego and Imperial Counties. BajaFlora.org serves the needs of researchers interested in the plants of the two states of Baja, Mexico, consolidating the SD collections and the collections of the two primary herbaria in Baja.

The San Diego State University Herbarium (SDSU) is a depository of over 20,000 pressed and mounted plant specimens used in research and teaching. The purpose of these specimens is: 1) to serve as voucher documentation for research projects; 2) to serve as resources for plant identification; and 3) to serve as exemplars in plant courses. In addition, the herbarium both receives and provides loans of plant specimens used in active systematic research. The herbarium collection specializes in land plant specimens from San Diego County, California, and Baja California, with some collections from Australia, Chile, and the south Pacific.

SFBG collections include those donated from New Mexico Natural History Institute. NMNHI was established in 1977 and consists of 3 herbarium cabinets comprising an estimated 2500-3000 specimens. Dr. Roger Peterson and the late Helen Cannon were the primary collectors of specimens. As of 2023, SFBGH took responsibility for this collection and is actively managing it. Over 95% of specimens are from New Mexico. 

Shippensburg University Herbarium contains mostly specimens of vascular plants, including student collections from plant taxonomy courses, vouchers from botanical surveys, and donated collections. The specimens are primarily from Pennsylvania, but there are also substantial collections from Maine, the Adirondacks, Maryland, Virginia, and the Carolinas. The Herbarium also houses over 1,000 catalogued specimens of bryophytes, plus uncatalogued lichens, fungi and macroalgae.  The Pennsylvania Department of Conservation and Natural Resources designates SHIP as one of the herbaria that accepts voucher specimens of "Plant Species of Special Concern" from surveys for environmental review.

Shrubs are the dominant form of plant life on vast areas of North America, as well as on other continents. Shrub dominance is a consequence of major climatic and geologic patterns. Approximately 548,000 square miles (142 million hectares) of the western United States are characterized by shrubland dominance. Sizable additional areas classified as forests, woodlands, grasslands, or riparian corridors include an important shrub component. Despite the large size of these shrub-dominated ecosystems, they are often poorly understood and frequently abused as a natural resource. Research is needed to better understand and manage these plant communities and their associated biota. The Provo Shrub Sciences Lab is located in Provo, Utah near the Brigham Young University campus. As part of the Grassland, Shrubland and Desert Ecosystems Program in the Rocky Mountain Research Station, scientists conduct original research and collaborate with researchers and managers from private and public universities and state, federal, and foreign agencies on aspects of shrub and shrubland biology, ecology, and management. Research focus areas are inter-related and address challenges to shrubland conservation and management under the over-arching realities of a changing world.

The Sierra Pacific Industries Forestry Division manages ±1.7 million acres in northern and central California. Our lands are located in the Northwestern California, Cascade Ranges, and Sierra Nevada Regions of the California Floristic Province, and the Modoc Plateau Region of the Great Basin Floristic Province. Most of the specimens are collected during rare plant surveys within forestland and associated habitats, accompanied by various plot based studies, and includes both rare and common species. Our target list of endangered/threatened/rare plants comprises ±400 species. In addition to protecting rare plants to support long-term management strategies, we also conduct forest and watershed research.

This herbarium houses documented specimens collected at the Silver Bluff Audubon Center and Sanctuary, located in western South Carolina along the Savannah River, near Augusta, GA/ N. Augusta, SC.

The herbarium of Slippery Rock University is mainly composed of vascular plants, with more than 15,000 specimens. Approximately half of the collections are from Pennsylvania and the remainder are generally from regions throughout North America.

The SDSU Herbarium dates back to 1881 and the foundation of South Dakota College. The herbarium was designated the C. A. Taylor Herbarium in 1994 to honor Charles Arthur Taylor, Jr. who dedicated 40 years of his life to its maintenance and growth. A significant part of the herbarium is the many collections "Charlie" Taylor brought with him from the Ithaca, NY area and elsewhere. The herbarium at SDSU has grown to >60,000 accessions due largely to more recent floristic studies focused on such areas as the Black Hills National Forest, the Fort Pierre and Grand River National Grasslands, and wetlands of the Prairie Pothole Region. We are in the early stages of specimen digitization, with >15,000 databased (none imaged) thus far.

Collections (ca. 17000) primarily from southeast Missouri and southern Illinois, but with some representation from throughout the United States.  Also includes a significant set of specimens of the genus Piper from the Neotropics.

Part of DUR (78 000 specimens) was transferred to BRIT in 2001. Several thousand specimens remain at DUR, and can be accessed electronically through the Oklahoma Biological Survey (http://www.biosurvey.ou.edu). [Updated March 2015]

SIU contains ~90,000 herbarium specimens of vascular plants from around the world, with a focus on the southern Illinois region.

The Southwestern Oklahoma State University Herbarium was established prior to 1929 and specializes in taxa from Western Oklahoma. It currently contains approximately 15,000 vascular plant specimens.

St. Andrews University in Laurinburg, North Carolina, has approximately 9,000 vascular plant specimens. Contact Curator Tracy S. Feldman for access to the Herbarium.

The Staten Island Museum herbarium (SIM) contains over 25,000 specimens, focused on the flora of Staten Island and the northeastern United States. It is a complete record of the flora of Staten Island, from the 1860s to the present. The core of the herbarium was donated by co-founders Arthur Hollick and Nathaniel Lord Britton, and is composed of specimens they collected during the 1870s-1880s. Specialized sub-collections include hybrid oaks (Hollick/Britton/Davis) and hybrid violets and ferns (Philip Dowell). Aside from vascular plants, the collection also contains mosses, lichens, algae, fungi and slime molds.

Founded in 1949, the Stephen F. Austin State University Herbarium specializes in the flora of East Texas.

The herbarium occupies one wing of the Warnock Science Building. There are approximately 100,000 specimens housed in 112 cases. The major collections include plants of Trans-Pecos Texas, which forms the largest part of the northern part of the Chihuahuan Desert Region in the United States. It is a prominent regional research collection that is available to botanists around the world and is also a valuable teaching facility for both graduate and undergraduate students interested in various botanical disciplines or in wildlife biology. The first significant collections are those made by O.E. Sperry in 1935-1946. The physical herbarium was probably started by L.C. Hinkley but B.H. Warnock was responsible for the largest early collection of plants and major development of the herbarium as a research facility. Another major contributor was M.C Johnston. More recently, the herbarium has grown through the efforts of A.M. Powell, in whose honor the university renamed the herbarium in 2003.

Mostly vascular plants from northern NY; some bryophytes and lichens, also from northern NY.

The herbarium was founded in 1921 but most of the collections are recent. Our collection primarily represents the West Cross Timbers of Texas with the earliest work being a 1920s flora for Erath County, where the herbarium is located. Since that time, there have been many additions to the flora of the West Cross Timbers of Texas. We also have many voucher specimens from several ecological investigations in the region and from a floristic project at Padre Island National Seashore in southeast Texas.

The Hollister Herbarium (HTTU) at Tennessee Technological University (TN Tech) was formally established in 1969 in honor of long time TN Tech professor Paul L. Hollister. The collection currently houses ca. 40,000 museum-quality plant specimens documenting more than 3,600 species of flowering plants, ferns, and conifers in Tennessee, with additional strengths in the flora of the southeastern United States. Extensive collections documenting unique habitats found at the intersection of the Eastern Highland Rim and Cumberland Plateau geological provinces help set the Hollister Herbarium apart from other collections in the state. The herbarium has actively worked to develop research, education, and outreach activities over the last ten years. These include providing research opportunities for undergraduate students, offering tours to local K-12 students and community groups, developing collaborations with local schools, providing loans to and exchanging specimens with other institutions, and providing informational resources to state agencies. HTTU is part of the Tennessee Herbarium Consortium and actively makes digital specimen data available online through the Southeastern Regional Network of Expertise and Collections (SERNEC).

The Tracy Herbarium is the third largest herbarium in Texas and includes specimens from every continent with a significant emphasis in Texas, the southern United States, Mexico, and the Caribbean. TAES maintains one of the largest collections of grasses in the southern US and has ample representation from most vascular plant families.  In addition, the herbarium contains substantial collections of non-vascular plants, and the largest collection of fungi in the state. The collection currently houses nearly 360,000 specimens and adds approximately 2500-3000 new accessions per year.  The type collection at TAES consists of 199 specimens, of which 130 are Poaceae, 19 Asteraceae, 17 Cyperaceae, and an additional 15 holotypes.

The herbarium at TAMUCC is perhaps the only one with more than 10,000 collections uniquely representing the flora of south Texas i.e. south of San Antonio and surrounding coastal areas. In addition, the herbarium has a good collection of marine vascular plants including seagrasses, marsh plants and black mangroves.

Taxonomic Coverage: Algae, bryophytes, fungi, pteridophytes, and angiosperms
Geography: South Texas i.e. south of San Antonio and surrounding coastal areas

The E.L. Reed Herbarium was founded in 1925 as part of the Texas Technological College (TTC). Located on the roof of the Biology building, the herbarium was founded by Reed and R.A. Studhalter, who provided key collections from the South Plains and Panhandle region of Texas. In the 1970s, Burgess and Northington led the first vegetative survey of the newly founded Guadalupe Mountains National Park in Culberson County, Texas, and TTC houses their collections.

The Texas Woman's University Herbarium was one of the few herbaria initiated in the early 1900s in Texas, and its history traces back to the time of the establishment and development of the University and its Biology department. Albert Ruth contributed 1/4 of the actual collection, between 1903 and 1927. During the 1930s and 1940s, it was further enlarged by well-known botanists such as: B. C. Tharp (1885-1964), who directed the University of Texas Herbarium (TEX) for 45 years after Dr. Mary S. Young; Barton H. Warnock (1911-1998) and C. H. Mueller, who collected mainly from the Big Bend Region; Mary S. Young (1872-1919), one of the first Texas female botanists and the first curator of TEX between 1912-1919; Dr. Fred A. Barkley, curator of TEX, 1945-1958; and Eula Whitehouse (1892-1974), who published ‘Texas Flowers in Natural Colors’ (1936), the first color-illustrated guide to Texas wildflowers. Other contributors were Dr. Viola Hamilton, professor and chair of the TWU Department of Biology, her collaborators, and students.

After World War II, the collection was neglected and forgotten until a lab coordinator, Reta Smiddy Foreman, re-discovered it in 1976, overcrowded into two metal cases in an unused closet of the Old Science Building. After renovations in 1978, there was no room for the herbarium, and the cases were stored in a hallway. Since the gasketed doors remained unopened for years, most of the collection is still in very good shape today. University support was obtained in 2001 in raising money for the TWU Centennial Herbarium Project, which produced the first public exhibit of specimens for the TWU and Denton communities. The Department of Biology provided funds for two undergraduate student assistants to help with mounting, sorting, and inventorying the herbarium collection, as well as new space for it. The collection was digitized by the Botanical Research Institute of Texas (BRIT) in 2023 under NSF Grant #1902078.

The College of New Jersey Herbarium has historical and contemporary specimens representing the greater Trenton, NJ area. Collections made from the late 1800's to the present.