United States National Herbarium (US-Botany)

The United States National Herbarium was founded in 1848, when the first collections were accessioned from the United States Exploring Expedition (50,000 specimens of 10,000 species). Current holdings total 5 million specimens, making this collection among the ten largest in the world representing about 8% of the plant collection resources of the United States. The herbarium is especially rich in type specimens (@110,000).
Contacts: Rusty Russell, Collections Manager, russellr@si.edu
Collection Type: Preserved Specimens
Management: Data snapshot of local collection database
Last Update: 6 May 2014
Digital Metadata: EML File
Collection Statistics
  • 238,399 specimen records
  • 48,651 (20%) georeferenced
  • 47,384 (20%) with images (47,384 total images)
  • 172,766 (72%) identified to species
  • 545 families
  • 4,191 genera
  • 36,612 species
  • 38,873 total taxa (including subsp. and var.)
Extra Statistics
Taxon Distribution
Taxon Distribution
  • Acanthospermum (5)
  • Achnopogon (3)
  • Achyrocline (18)
  • Achyrophorus (2)
  • Acmella (9)
  • Acritopappus (9)
  • Actinea (1)
  • Actinoseris (1)
  • Addisonia (2)
  • Adenocaulon (1)
  • Adenostemma (11)
  • Aequatorium (6)
  • Ageratina (72)
  • Ageratum (21)
  • Agrianthus (2)
  • Albertinia (4)
  • Alepidocline (1)
  • Allocarpus (1)
  • Allocephalus (1)
  • Alloispermum (12)
  • Alomia (6)
  • Alomiella (1)
  • Amboroa (1)
  • Ambrosia (5)
  • Andromachia (4)
  • Angelphytum (3)
  • Anomostephium (1)
  • Antennaria (1)
  • Anteremanthus (1)
  • Aphanactis (9)
  • Aphanostephus (1)
  • Archibaccharis (7)
  • Arctotis (5)
  • Aristeguietia (1)
  • Arrojadoa (1)
  • Arrojadocharis (1)
  • Artemisia (1)
  • Ascidiogyne (2)
  • Aspilia (45)
  • Asplundianthus (3)
  • Aster (2)
  • Astranthium (1)
  • Atractylis (3)
  • Austrocritonia (1)
  • Austroeupatorium (2)
  • Ayapana (9)
  • Ayapanopsis (8)
  • Aynia (1)
  • Baccharidastrum (1)
  • Baccharis (213)
  • Badilloa (1)
  • Bahia (1)
  • Baltimora (5)
  • Barnadesia (24)
  • Barrosoa (3)
  • Bartlettina (6)
  • Belloa (4)
  • Bidens (45)
  • Bigelowia (1)
  • Bishopalea (1)
  • Bishopanthus (1)
  • Bishopiella (1)
  • Blainvillea (2)
  • Bowmania (1)
  • Brachylaena (1)
  • Brachyris (1)
  • Brickellia (6)
  • Bulbostylis (2)
  • Caatinganthus (1)
  • Cacalia (3)
  • Cacosmia (4)
  • Calea (111)
  • Calyptocarpus (1)
  • Campovassouria (1)
  • Campuloclinium (10)
  • Carphobolus (2)
  • Carramboa (13)
  • Catolesia (1)
  • Cavalcantia (1)
  • Caxamarca (1)
  • Centratherum (1)
  • Cephalophora (1)
  • Chaenocephalus (3)
  • Chaetanthera (1)
  • Chaptalia (18)
  • Chersodoma (2)
  • Chevreulia (2)
  • Chiliotrichiopsis (1)
  • Chimantaea (5)
  • Chionolaena (3)
  • Chionopappus (2)
  • Chloracantha (1)
  • Chresta (3)
  • Chromolaena (28)
  • Chrysactinium (74)
  • Chrysanthellum (2)
  • Chrysolaena (2)
  • Chucoa (1)
  • Chuquiraga (10)
  • Cineraria (1)
  • Cirsium (5)
  • Clibadium (90)
  • Cnicothamnus (2)
  • Coespeletia (4)
  • Cololobus (1)
  • Condylidium (6)
  • Condylopodium (3)
  • Conoclinium (2)
  • Conyza (39)
  • Coreopsis (21)
  • Corethamnium (1)
  • Cosmos (2)
  • Critonia (5)
  • Critoniopsis (30)
  • Cronquistianthus (8)
  • Crossothamnus (1)
  • Cryptopetalon (1)
  • Cuatrecasanthus (2)
  • Cuchumatanea (1)
  • Culcitium (7)
  • Cyanthillium (1)
  • Cyrtocymura (9)
  • Dahlia (2)
  • Dasycondylus (1)
  • Dasyphyllum (9)
  • Dendrophorbium (5)
  • Desmanthodium (2)
  • Dillandia (4)
  • Dimerostemma (2)
  • Dinoseris (4)
  • Diplostephium (115)
  • Dipterocypsela (2)
  • Disynaphia (1)
  • Dolichogyne (1)
  • Dorobaea (1)
  • Dresslerothamnus (1)
  • Dubautia (1)
  • Duidaea (1)
  • Dunantia (1)
  • Dyssodia (1)
  • Echinocephalum (1)
  • Eclipta (4)
  • Egletes (3)
  • Eirmocephala (4)
  • Elaphandra (1)
  • Elephantopus (7)
  • Eleutheranthera (3)
  • Ellenbergia (1)
  • Elvira (2)
  • Emilia (2)
  • Encelia (3)
  • Enydra (2)
  • Erato (159)
  • Erechtites (4)
  • Eremanthus (5)
  • Eremosis (1)
  • Ericentrodea (3)
  • Erigeron (18)
  • Espeletia (412)
  • Eupatoriopsis (1)
  • Eupatorium (176)
  • Eurydochus (3)
  • Facelis (1)
  • Ferreyranthus (35)
  • Ferreyrella (2)
  • Flaveria (2)
  • Fleischmannia (22)
  • Fleischmanniopsis (1)
  • Floscaldasia (1)
  • Flosmutisia (1)
  • Flotovia (4)
  • Flourensia (3)
  • Galinsoga (8)
  • Gamochaeta (7)
  • Garcilassa (2)
  • Glossarion (4)
  • Glossogyne (1)
  • Gnaphalium (30)
  • Gochnatia (5)
  • Gongrostylus (1)
  • Gongylolepis (14)
  • Greenmania (2)
  • Grindelia (1)
  • Grosvenoria (1)
  • Guaicaia (1)
  • Guevaria (2)
  • Gynoxys (96)
  • Haplopappus (5)
  • Hebeclinium (14)
  • Helenium (1)
  • Helianthopsis (4)
  • Helianthus (9)
  • Heliopsis (2)
  • Helogyne (2)
  • Hemibaccharis (6)
  • Heterosperma (2)
  • Hieracium (30)
  • Hinterhubera (2)
  • Hughesia (1)
  • Hymenostephium (2)
  • Hypochaeris (1)
  • Ichthyothere (9)
  • Idiopappus (1)
  • Iltisia (1)
  • Irwinia (1)
  • Isocarpha (4)
  • Isostigma (1)
  • Jaegeria (20)
  • Jaramilloa (2)
  • Jaumea (1)
  • Jessea (1)
  • Joseanthus (1)
  • Jungia (18)
  • Kanimia (1)
  • Kingianthus (1)
  • Koanophyllon (2)
  • Laestadia (2)
  • Lagascea (1)
  • Lagenophora (4)
  • Launaea (1)
  • Lepidaploa (14)
  • Leptoclinium (1)
  • Leucheria (1)
  • Leucopholis (1)
  • Liabum (275)
  • Libanothamnus (44)
  • Linochilus (2)
  • Llerasia (2)
  • Lophopappus (2)
  • Lorentea (5)
  • Loricaria (6)
  • Lourteigia (5)
  • Lucilia (7)
  • Lychnophora (6)
  • Lycoseris (12)
  • Mandonia (1)
  • Melampodium (6)
  • Melanthera (8)
  • Meyeria (3)
  • Mikania (207)
  • Milleria (1)
  • Mniodes (1)
  • Monactis (7)
  • Montagnaea (1)
  • Montanoa (10)
  • Moquinia (10)
  • Munnozia (392)
  • Mutisia (24)
  • Nardophyllum (1)
  • Narvalina (1)
  • Neocaldasia (1)
  • Neocuatrecasia (4)
  • Neomirandea (16)
  • Neurolaena (15)
  • Noticastrum (3)
  • Oblivia (1)
  • Olearia (1)
  • Oligactis (76)
  • Oligandra (1)
  • Oliganthes (10)
  • Onoseris (12)
  • Ophryosporus (10)
  • Oritrophium (14)
  • Orthopappus (1)
  • Otopappus (3)
  • Oxycarpha (2)
  • Oxylobus (2)
  • Oyedaea (22)
  • Pappobolus (11)
  • Paragynoxys (21)
  • Paranephelius (79)
  • Parastrephia (2)
  • Parthenium (1)
  • Pectis (21)
  • Pentacalia (296)
  • Perezia (13)
  • Pereziopsis (3)
  • Perymenium (6)
  • Phalacraea (2)
  • Philoglossa (65)
  • Picrosia (1)
  • Piofontia (1)
  • Piptocarpha (37)
  • Piptocoma (1)
  • Piqueria (1)
  • Pluchea (5)
  • Podanthus (1)
  • Podocoma (2)
  • Pollalesta (9)
  • Polyachyrus (1)
  • Polyanthina (1)
  • Polymnia (17)
  • Porophyllum (3)
  • Proustia (1)
  • Pseudelephantopus (4)
  • Pseudogynoxys (4)
  • Pseudokyrsteniopsis (1)
  • Pseudonoseris (3)
  • Pseudopiptocarpha (1)
  • Psilactis (1)
  • Pterocaulon (2)
  • Quechualia (1)
  • Quelchia (3)
  • Raouliopsis (1)
  • Rensonia (1)
  • Richterago (2)
  • Riencourtia (3)
  • Rojasianthe (1)
  • Rolandra (1)
  • Roldana (2)
  • Ruilopezia (102)
  • Rumfordia (2)
  • Sabazia (2)
  • Salmea (3)
  • Scalesia (4)
  • Schistocarpha (15)
  • Sciadocephala (2)
  • Sclerocarpus (2)
  • Scrobicaria (1)
  • Selloa (1)
  • Senecio (327)
  • Seris (2)
  • Serpaea (1)
  • Sigesbeckia (3)
  • Simsia (10)
  • Sinclairia (54)
  • Smallanthus (1)
  • Sonchus (3)
  • Sphagneticola (2)
  • Spilanthes (7)
  • Steiractinia (12)
  • Stemmatella (3)
  • Stemmodontia (1)
  • Stenopadus (27)
  • Stevia (39)
  • Stifftia (3)
  • Stilpnopappus (1)
  • Stomatochaeta (2)
  • Symphyopappus (1)
  • Symphyotrichum (1)
  • Syncretocarpus (2)
  • Synedrella (7)
  • Tafalla (1)
  • Tagetes (16)
  • Talamancalia (1)
  • Taraxacum (4)
  • Telanthophora (1)
  • Tessaria (8)
  • Thelechitonia (1)
  • Tilesia (2)
  • Tithonia (1)
  • Trichocline (3)
  • Trichogonia (2)
  • Tridax (6)
  • Trixis (13)
  • Tuberostylis (2)
  • Uleophytum (1)
  • Unxia (1)
  • Verbesina (119)
  • Vernonanthura (6)
  • Vernonia (120)
  • Viguiera (28)
  • Villanova (1)
  • Vilobia (1)
  • Wedelia (33)
  • Werneria (29)
  • Westoniella (4)
  • Wilkesia (1)
  • Willoughbya (15)
  • Wulffia (18)
  • Youngia (3)
  • Zaluzania (3)
  • Zexmenia (11)
  • Zinnia (3)