University of California at Davis Herbarium (DAV)

University of California, Davis herbarium collections are worldwide, with emphasis on California, North America, and neotropics (especially Ecuador and Baja California); Quercus, Fagaceae, and Arctostaphylos, Ericaceae of New World; Euphorbiaceae; Poaceae; Clarkia (Onagraceae); Lycianthes and Lycopersicon (Solanaceae); Stephanomeria and tarweed genera (Asteraceae); Navarretia (Polemoniaceae); Allium (Alliaceae); Trifolium (Fabaceae);Prunus (Rosaceae); Central Valley of California vernal pool species; weedy and poisonous species of California and Mediterranean-climate regions; range plants of California; alpine flora of western North America. Size of collection: 320,000 specimens, 50% from California.

Director: Dan Potter, dpotter@ucdavis.edu
Curator: Alison Colwell, aelcolwell@ucdavis.edu
Collections Manager: Teri Barry, tcbarry@ucdavis.edu
Emeritus Curator: Ellen Dean, eadean@ucdavis.edu
Collection Type: Preserved Specimens
Management: Data snapshot of local collection database
Last Update: 18 May 2023
Digital Metadata: EML File
Access Rights: http://ucjeps.berkeley.edu/consortium/data_use_terms.html
Address:
Center for Plant Diversity; Department of Plant Sciences MS#7
University of California
1 Shields Ave.
Davis, CA   95616-8780
U.S.A.
(530) 752-1091
Collection Statistics
  • 141,736 specimen records
  • 115,648 (82%) georeferenced
  • 79,727 (56%) with images (80,045 total images)
  • 133,898 (94%) identified to species
  • 357 families
  • 3,102 genera
  • 12,342 species
  • 14,922 total taxa (including subsp. and var.)
Extra Statistics
Taxon Distribution
Taxon Distribution
  • Acamptopappus (25)
  • Acanthospermum (3)
  • Achillea (176)
  • Achyrachaena (83)
  • Acmella (7)
  • Acourtia (21)
  • Adenocaulon (30)
  • Adenophyllum (8)
  • Adenostemma (1)
  • Adenostyles (1)
  • Aetheolaena (2)
  • Ageratina (66)
  • Ageratum (3)
  • Agoseris (238)
  • Amauria (1)
  • Amblyolepis (3)
  • Amblyopappus (6)
  • Ambrosia (224)
  • Amphiachyris (5)
  • Amphipappus (4)
  • Anacyclus (3)
  • Anaphalis (64)
  • Ancistrocarphus (33)
  • Andryala (3)
  • Anisocarpus (25)
  • Anisocoma (18)
  • Antennaria (351)
  • Anthemis (80)
  • Aphanostephus (17)
  • Arctium (6)
  • Arctotheca (12)
  • Arctotis (2)
  • Argyranthemum (5)
  • Arida (5)
  • Aristeguietia (2)
  • Arnica (211)
  • Artemisia (418)
  • Aspilia (1)
  • Aster (14)
  • Asteriscus (1)
  • Atractylis (1)
  • Atrichoseris (13)
  • Austroeupatorium (2)
  • Ayapanopsis (4)
  • Baccharis (197)
  • Badilloa (1)
  • Bahia (5)
  • Bahiopsis (22)
  • Baileya (44)
  • Bajacalia (5)
  • Balsamorhiza (55)
  • Baltimora (3)
  • Barkleyanthus (2)
  • Barnadesia (6)
  • Bebbia (17)
  • Bedfordia (1)
  • Bellis (13)
  • Bellium (1)
  • Benitoa (2)
  • Berlandiera (3)
  • Bidens (92)
  • Blennosperma (36)
  • Blepharipappus (14)
  • Blepharizonia (21)
  • Blumea (2)
  • Boeberastrum (1)
  • Boeberoides (1)
  • Boltonia (1)
  • Brickellia (88)
  • Buphthalmum (3)
  • Cacaliopsis (5)
  • Calea (2)
  • Calendula (19)
  • Calycadenia (312)
  • Calycoseris (15)
  • Calyptocarpus (1)
  • Carduus (107)
  • Carlina (8)
  • Carlquistia (11)
  • Carminatia (2)
  • Carphochaete (1)
  • Carthamus (29)
  • Catananche (1)
  • Centaurea (275)
  • Centratherum (3)
  • Centromadia (219)
  • Chaenactis (378)
  • Chaetadelpha (5)
  • Chaetopappa (19)
  • Chamaemelum (10)
  • Chamomilla (4)
  • Chaptalia (4)
  • Chloracantha (7)
  • Chondrilla (23)
  • Chrysactinia (2)
  • Chrysanthemoides (1)
  • Chrysanthemum (3)
  • Chrysopsis (5)
  • Chrysothamnus (57)
  • Chuquiraga (2)
  • Cichorium (56)
  • Cirsium (352)
  • Clibadium (31)
  • Coleostephus (1)
  • Conoclinium (4)
  • Constancea (2)
  • Conyza (2)
  • Coreocarpus (6)
  • Coreopsis (81)
  • Corethrogyne (35)
  • Cosmos (2)
  • Cotula (89)
  • Crepis (123)
  • Critonia (2)
  • Critoniopsis (4)
  • Crocidium (5)
  • Croptilon (3)
  • Cyclachaena (1)
  • Cynara (9)
  • Dahlia (2)
  • Dasyphyllum (1)
  • Deinandra (127)
  • Delairea (12)
  • Dendranthema (2)
  • Dendrophorbium (9)
  • Diaperia (2)
  • Dicoria (17)
  • Dieteria (45)
  • Dimeresia (1)
  • Dimorphotheca (10)
  • Diplostephium (8)
  • Dittrichia (46)
  • Dorobaea (1)
  • Dysodiopsis (1)
  • Dyssodia (4)
  • Eastwoodia (8)
  • Eatonella (1)
  • Echinacea (7)
  • Echinops (5)
  • Eclipta (22)
  • Egletes (2)
  • Elephantopus (2)
  • Emilia (3)
  • Encelia (95)
  • Enceliopsis (3)
  • Engelmannia (9)
  • Erato (7)
  • Erechtites (3)
  • Eremanthus (1)
  • Ericameria (363)
  • Erigeron (699)
  • Eriophyllum (319)
  • Espeletia (2)
  • Eucephalus (4)
  • Euchiton (6)
  • Eupatorium (19)
  • Eurybia (55)
  • Euryops (1)
  • Euthamia (54)
  • Felicia (6)
  • Filago (7)
  • Flaveria (3)
  • Fleischmannia (2)
  • Florestina (3)
  • Flourensia (2)
  • Gaillardia (12)
  • Galactites (3)
  • Galinsoga (17)
  • Gamochaeta (48)
  • Gazania (4)
  • Geraea (32)
  • Glebionis (29)
  • Glyptopleura (5)
  • Gnaphalium (95)
  • Grangea (1)
  • Grindelia (145)
  • Guardiola (2)
  • Gutierrezia (44)
  • Gymnosperma (3)
  • Gynoxys (3)
  • Gynura (9)
  • Haploesthes (2)
  • Harmonia (27)
  • Hazardia (35)
  • Hebeclinium (5)
  • Hedypnois (30)
  • Heleniastrum (1)
  • Helenium (105)
  • Helianthella (53)
  • Helianthus (158)
  • Helichrysum (3)
  • Heliomeris (5)
  • Heliopsis (14)
  • Helminthotheca (44)
  • Hemizonella (44)
  • Hemizonia (139)
  • Hesperevax (50)
  • Heterocondylus (7)
  • Heterolepis (1)
  • Heterotheca (113)
  • Hidalgoa (1)
  • Hieracium (148)
  • Hirpicium (1)
  • Hofmeisteria (6)
  • Holocarpha (74)
  • Holozonia (12)
  • Hulsea (33)
  • Hymenoclea (3)
  • Hymenolepis (1)
  • Hymenopappus (15)
  • Hymenothrix (1)
  • Hymenoxys (22)
  • Hypochaeris (139)
  • Inula (7)
  • Ionactis (2)
  • Isocarpha (1)
  • Isocoma (51)
  • Iva (43)
  • Ixeridium (2)
  • Jacobaea (2)
  • Jaegeria (4)
  • Jaumea (9)
  • Jensia (18)
  • Jessea (3)
  • Jungia (2)
  • Kalimeris (3)
  • Kingianthus (1)
  • Krigia (1)
  • Kuhnia (4)
  • Kyhosia (16)
  • Lactuca (129)
  • Laennecia (13)
  • Lagascea (3)
  • Lagophylla (78)
  • Lapsana (10)
  • Lasiospermum (2)
  • Lasthenia (421)
  • Launaea (1)
  • Layia (215)
  • Leontodon (35)
  • Leontopodium (2)
  • Lepidospartum (28)
  • Lessingia (138)
  • Lessingianthus (2)
  • Leucanthemopsis (2)
  • Leucanthemum (36)
  • Leucelene (1)
  • Liabum (3)
  • Liatris (12)
  • Lindheimera (5)
  • Logfia (81)
  • Loricaria (2)
  • Luina (3)
  • Lygodesmia (5)
  • Machaeranthera (5)
  • Madia (433)
  • Malacothrix (154)
  • Malperia (2)
  • Marshallia (2)
  • Matricaria (102)
  • Mauranthemum (1)
  • Medranoa (1)
  • Melampodium (12)
  • Melanthera (1)
  • Melica (1)
  • Micropus (95)
  • Microseris (163)
  • Mikania (22)
  • Milleria (1)
  • Monolopia (53)
  • Monoptilon (35)
  • Montanoa (1)
  • Monticalia (2)
  • Munnozia (14)
  • Munzothamnus (1)
  • Mycelis (2)
  • Nestotus (1)
  • Neurolaena (1)
  • Nicolletia (6)
  • Nothocalais (4)
  • Olearia (1)
  • Oligactis (5)
  • Omalotheca (1)
  • Oncosiphon (10)
  • Onopordum (18)
  • Ophryosporus (2)
  • Oreostemma (71)
  • Orochaenactis (4)
  • Osmadenia (7)
  • Osteospermum (3)
  • Oxylobus (1)
  • Oxypappus (1)
  • Oyedaea (2)
  • Packera (183)
  • Palafoxia (51)
  • Pallenis (5)
  • Pappobolus (2)
  • Parthenium (11)
  • Pectis (12)
  • Pegolettia (1)
  • Pentacalia (10)
  • Pentachaeta (13)
  • Pentzia (6)
  • Pericome (2)
  • Perityle (53)
  • Petasites (16)
  • Petradoria (1)
  • Peucephyllum (5)
  • Phagnalon (2)
  • Phalacroseris (7)
  • Philactis (1)
  • Phymaspermum (3)
  • Picris (3)
  • Pilosella (1)
  • Pinaropappus (6)
  • Piptocarpha (1)
  • Piptocoma (1)
  • Pityopsis (1)
  • Plecostachys (6)
  • Pleiacanthus (11)
  • Pleurocoronis (5)
  • Pluchea (29)
  • Polyanthina (11)
  • Polymnia (4)
  • Porophyllum (28)
  • Prenanthella (2)
  • Prenanthes (5)
  • Psathyrotes (18)
  • Pseudelephantopus (2)
  • Pseudobahia (22)
  • Pseudognaphalium (259)
  • Pseudogynoxys (5)
  • Psilocarphus (189)
  • Psilostrophe (11)
  • Pulicaria (8)
  • Pyrrhopappus (4)
  • Pyrrocoma (56)
  • Rafinesquia (47)
  • Raillardella (36)
  • Ratibida (12)
  • Rayjacksonia (1)
  • Reichardia (3)
  • Rhagadiolus (9)
  • Rhaponticum (39)
  • Rigiopappus (39)
  • Roldana (2)
  • Rudbeckia (27)
  • Rumfordia (1)
  • Santolina (5)
  • Sanvitalia (2)
  • Saussurea (5)
  • Scalesia (14)
  • Schistocarpha (1)
  • Sclerocarpus (5)
  • Scolymus (8)
  • Scorzonera (3)
  • Senecio (460)
  • Sericocarpus (17)
  • Sigesbeckia (3)
  • Silphium (13)
  • Silybum (40)
  • Simsia (15)
  • Smallanthus (4)
  • Solidago (209)
  • Soliva (45)
  • Sonchus (152)
  • Sphaeranthus (1)
  • Sphaeromeria (6)
  • Staehelina (1)
  • Stebbinsoseris (13)
  • Stenotus (13)
  • Stephanomeria (256)
  • Stevia (3)
  • Stoebe (1)
  • Stylocline (13)
  • Symphyotrichum (362)
  • Syntrichopappus (5)
  • Tagetes (16)
  • Tanacetum (27)
  • Taraxacum (60)
  • Tephroseris (2)
  • Tessaria (5)
  • Tetradymia (81)
  • Tetraneuris (18)
  • Thelesperma (27)
  • Thymophylla (20)
  • Tilesia (2)
  • Tithonia (2)
  • Tolpis (2)
  • Tonestus (15)
  • Townsendia (11)
  • Tracyina (1)
  • Tragopogon (65)
  • Trichocoronis (5)
  • Trichoptilium (10)
  • Tridax (5)
  • Trigonospermum (1)
  • Tripleurospermum (1)
  • Trixis (10)
  • Tussilago (1)
  • Uropappus (56)
  • Urospermum (5)
  • Vanclevea (1)
  • Varilla (1)
  • Venegasia (18)
  • Verbesina (35)
  • Vernonia (22)
  • Viguiera (19)
  • Volutaria (2)
  • Wedelia (15)
  • Werneria (2)
  • Wulffia (1)
  • Wyethia (170)
  • Xanthisma (21)
  • Xanthium (81)
  • Xeranthemum (1)
  • Xylorhiza (30)
  • Youngia (1)
  • Zexmenia (2)
  • Zinnia (12)