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Collection Profile for:
University of California, Riverside Plant Herbarium (UCR)

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Contacts:

Address:

UCR Herbarium
Dept. of Botany & Plant Sciences
University of California
Riverside, CA   92521
USA
(951) 827-3601

Collection Statistics

  • 282,573 specimen records
  • 279,898 (99%) georeferenced
  • 121,809 (43%) with media (122,556 total media)
  • 271,781 (96%) identified to species
  • 360 families
  • 3,614 genera
  • 20,119 species
  • 25,369 total taxa (including subsp. and var.)

Extra Statistics

Show Geographic Distribution
Show Family Distribution
Collection Type: Preserved Specimens
Management: Data snapshot of local collection database
Last Update: 3 June 2025
Digital Metadata: EML File
IPT / DwC-A Source: Import from CCH2
Usage Rights:
Taxon Distribution
Taxon Distribution
  • Acamptopappus (170)
  • Achillea (205)
  • Achyrachaena (55)
  • Acmella (24)
  • Acourtia (160)
  • Acroptilon (6)
  • Adenocaulon (21)
  • Adenophyllum (174)
  • Adenothamnus (5)
  • Ageratella (4)
  • Ageratina (314)
  • Ageratum (39)
  • Agoseris (343)
  • Aldama (115)
  • Alepidocline (2)
  • Alloispermum (15)
  • Almutaster (9)
  • Amauria (28)
  • Amauriopsis (4)
  • Amblyolepis (6)
  • Amblyopappus (43)
  • Ambrosia (1211)
  • Amphiachyris (6)
  • Amphipappus (62)
  • Anaphalis (53)
  • Ancistrocarphus (62)
  • Anisocarpus (2)
  • Anisocoma (136)
  • Antennaria (252)
  • Anthemis (77)
  • Aphanostephus (26)
  • Aphyllocladus (1)
  • Archibaccharis (25)
  • Arctium (11)
  • Arctotheca (16)
  • Arctotis (5)
  • Argyranthemum (8)
  • Arida (60)
  • Arnica (174)
  • Arnicastrum (1)
  • Arnoglossum (1)
  • Artemisia (1299)
  • Aspilia (2)
  • Aster (314)
  • Astranthium (9)
  • Athanasia (1)
  • Atrichoseris (111)
  • Austroeupatorium (2)
  • Baccharis (852)
  • Baeriopsis (3)
  • Bahia (38)
  • Bahiopsis (209)
  • Baileya (290)
  • Bajacalia (1)
  • Balsamorhiza (54)
  • Baltimora (7)
  • Barkleyanthus (21)
  • Bartlettina (17)
  • Bebbia (232)
  • Bellis (16)
  • Benitoa (2)
  • Berlandiera (24)
  • Bidens (332)
  • Bigelowia (1)
  • Blennosperma (17)
  • Blepharipappus (10)
  • Blepharizonia (2)
  • Boltonia (2)
  • Borrichia (4)
  • Brachyclados (2)
  • Brachycome (1)
  • Bradburia (1)
  • Brickellia (936)
  • Cacalia (10)
  • Cacaliopsis (1)
  • Calea (30)
  • Calendula (30)
  • Calocephalus (1)
  • Calycadenia (35)
  • Calycoseris (190)
  • Calyptocarpus (11)
  • Carduus (113)
  • Carlquistia (1)
  • Carminatia (24)
  • Carphephorus (1)
  • Carphochaete (18)
  • Carterothamnus (1)
  • Carthamus (23)
  • Centaurea (407)
  • Centipeda (1)
  • Centratherum (6)
  • Centromadia (192)
  • Chaenactis (1493)
  • Chaetadelpha (30)
  • Chaetanthera (1)
  • Chaetopappa (112)
  • Chamaechaenactis (1)
  • Chamomilla (8)
  • Chaptalia (6)
  • Chiliotrichum (1)
  • Chloracantha (37)
  • Chondrilla (37)
  • Chorisiva (4)
  • Chromolaena (75)
  • Chromolepis (4)
  • Chrysactinia (11)
  • Chrysanthellum (1)
  • Chrysanthemoides (6)
  • Chrysanthemum (4)
  • Chrysogonum (1)
  • Chrysopsis (34)
  • Chrysothamnus (232)
  • Chuquiraga (7)
  • Cichorium (35)
  • Cirsium (692)
  • Clappia (2)
  • Clibadium (6)
  • Conoclinium (15)
  • Constancea (1)
  • Conyza (9)
  • Coreocarpus (66)
  • Coreopsis (146)
  • Corethrogyne (223)
  • Cosmos (93)
  • Cotula (127)
  • Craspedia (2)
  • Crassocephalum (6)
  • Crepis (149)
  • Critonia (31)
  • Crocidium (4)
  • Croptilon (4)
  • Crupina (1)
  • Cyanthillium (1)
  • Cynara (15)
  • Dahlia (45)
  • Decachaeta (20)
  • Deinandra (627)
  • Delairea (21)
  • Delilea (5)
  • Dendroviguiera (2)
  • Desmanthodium (13)
  • Diaperia (15)
  • Dichaetophora (2)
  • Dicoria (56)
  • Dicranocarpus (9)
  • Dieteria (221)
  • Dimeresia (3)
  • Dimorphotheca (51)
  • Dittrichia (48)
  • Doellingeria (1)
  • Dugaldia (25)
  • Dugesia (1)
  • Dyscritothamnus (1)
  • Dyssodia (47)
  • Eastwoodia (19)
  • Eatonella (2)
  • Echinacea (5)
  • Eclipta (69)
  • Egletes (9)
  • Elephantopus (15)
  • Eleutheranthera (1)
  • Emilia (4)
  • Encelia (747)
  • Enceliopsis (38)
  • Engelmannia (10)
  • Erechtites (11)
  • Ericameria (1524)
  • Erigeron (1947)
  • Eriophyllum (1141)
  • Eucephalus (69)
  • Eupatorium (24)
  • Euphrosyne (27)
  • Eurybia (50)
  • Euryops (6)
  • Eutetras (4)
  • Euthamia (105)
  • Eutrochium (5)
  • Evax (2)
  • Felicia (3)
  • Filago (2)
  • Flaveria (24)
  • Fleischmannia (45)
  • Fleischmanniopsis (2)
  • Florestina (16)
  • Flourensia (24)
  • Flyriella (1)
  • Gaillardia (97)
  • Galeana (8)
  • Galinsoga (70)
  • Gamochaeta (128)
  • Gazania (47)
  • Geissolepis (1)
  • Geraea (181)
  • Glebionis (62)
  • Glyptopleura (49)
  • Gnaphalium (520)
  • Gochnatia (5)
  • Goldmanella (1)
  • Grindelia (252)
  • Guardiola (39)
  • Guizotia (1)
  • Gundlachia (1)
  • Gutierrezia (454)
  • Gymnocoronis (1)
  • Gymnosperma (22)
  • Gynura (1)
  • Haploesthes (4)
  • Haplopappus (35)
  • Harleya (1)
  • Harmonia (1)
  • Hazardia (128)
  • Hebeclinium (2)
  • Hecastocleis (13)
  • Hedypnois (93)
  • Helenium (177)
  • Helianthella (40)
  • Helianthus (414)
  • Helichrysum (4)
  • Heliomeris (101)
  • Heliopsis (49)
  • Helminthotheca (7)
  • Helogyne (1)
  • Hemizonella (5)
  • Hemizonia (114)
  • Henricksonia (1)
  • Hesperevax (5)
  • Heteranthemis (2)
  • Heterosperma (45)
  • Heterothalamus (2)
  • Heterotheca (368)
  • Hieracium (219)
  • Hofmeisteria (33)
  • Holocarpha (83)
  • Holozonia (9)
  • Hulsea (162)
  • Hyalis (1)
  • Hybridella (1)
  • Hydropectis (1)
  • Hymenoclea (35)
  • Hymenopappus (122)
  • Hymenothrix (121)
  • Hymenoxys (214)
  • Hypochaeris (189)
  • Hysterionica (1)
  • Inula (1)
  • Ionactis (11)
  • Iostephane (2)
  • Ismelia (1)
  • Isocarpha (3)
  • Isocoma (294)
  • Iva (134)
  • Jaegeria (21)
  • Jaumea (33)
  • Jefea (1)
  • Jensia (2)
  • Jungia (1)
  • Koanophyllon (32)
  • Krigia (9)
  • Kyrsteniopsis (3)
  • Lactuca (167)
  • Laennecia (108)
  • Lagascea (38)
  • Lagophylla (83)
  • Lapsana (20)
  • Lasianthaea (59)
  • Lasiopogon (2)
  • Lasthenia (558)
  • Launaea (1)
  • Layia (498)
  • Leibnitzia (8)
  • Leontodon (57)
  • Lepidospartum (148)
  • Leptocarpha (1)
  • Leptosyne (162)
  • Lessingia (240)
  • Leucanthemum (47)
  • Leucelene (1)
  • Leucheria (1)
  • Leucosyris (19)
  • Liabum (16)
  • Liatris (27)
  • Ligularia (2)
  • Lindheimera (7)
  • Logfia (533)
  • Loxothysanus (3)
  • Luina (3)
  • Lundellianthus (3)
  • Lygodesmia (16)
  • Machaeranthera (217)
  • Macrachaenium (1)
  • Madia (673)
  • Malacothrix (736)
  • Malperia (10)
  • Marshallia (5)
  • Matricaria (172)
  • Mauranthemum (1)
  • Melampodium (162)
  • Melanthera (14)
  • Mexerion (1)
  • Micropus (82)
  • Microseris (542)
  • Microspermum (3)
  • Mikania (17)
  • Milleria (13)
  • Monolopia (75)
  • Monoptilon (203)
  • Montanoa (54)
  • Mulgedium (1)
  • Munzothamnus (2)
  • Mutisia (2)
  • Mycelis (1)
  • Nardophyllum (1)
  • Nassauvia (6)
  • Neohintonia (14)
  • Neomirandea (2)
  • Nestotus (1)
  • Neurolaena (6)
  • Nicolletia (81)
  • Nothocalais (4)
  • Odontotrichum (4)
  • Olearia (1)
  • Oligoneuron (2)
  • Olivaea (2)
  • Oncosiphon (102)
  • Onopordum (7)
  • Onoseris (2)
  • Oonopsis (3)
  • Ophryosporus (3)
  • Oreochrysum (21)
  • Oreostemma (40)
  • Orochaenactis (14)
  • Osbertia (1)
  • Osmadenia (62)
  • Osteospermum (14)
  • Othonna (2)
  • Otopappus (9)
  • Oxylobus (2)
  • Oxypappus (9)
  • Oxyphyllum (1)
  • Ozothamnus (1)
  • Packera (276)
  • Palafoxia (243)
  • Pallenis (5)
  • Parthenice (6)
  • Parthenium (164)
  • Pectis (337)
  • Pelucha (2)
  • Pentachaeta (57)
  • Perezia (3)
  • Pericome (19)
  • Perityle (406)
  • Perymenium (35)
  • Petasites (4)
  • Petradoria (31)
  • Peucephyllum (116)
  • Phalacroseris (6)
  • Picradeniopsis (1)
  • Picris (58)
  • Pinaropappus (18)
  • Pippenalia (2)
  • Piptothrix (4)
  • Piqueria (14)
  • Pittocaulon (1)
  • Pityopsis (10)
  • Plecostachys (24)
  • Pleiacanthus (3)
  • Pleocarphus (1)
  • Pleurocoronis (137)
  • Pluchea (219)
  • Podachaenium (8)
  • Podanthus (1)
  • Polyachyrus (3)
  • Porophyllum (274)
  • Prenanthella (95)
  • Prenanthes (2)
  • Psacalium (19)
  • Psathyrotes (120)
  • Pseudelephantopus (1)
  • Pseudobahia (11)
  • Pseudoclappia (3)
  • Pseudoconyza (8)
  • Pseudognaphalium (877)
  • Pseudogynoxys (2)
  • Psilactis (15)
  • Psilocarphus (138)
  • Psilostrophe (146)
  • Pterocaulon (2)
  • Pulicaria (60)
  • Pyrrhopappus (15)
  • Pyrrocoma (85)
  • Rafinesquia (354)
  • Raillardella (17)
  • Raillardiopsis (1)
  • Ratibida (34)
  • Rensonia (1)
  • Rhagadiolus (4)
  • Rigiopappus (39)
  • Roldana (22)
  • Rudbeckia (39)
  • Rumfordia (6)
  • Sabazia (6)
  • Salmea (3)
  • Santolina (5)
  • Sanvitalia (73)
  • Sartwellia (12)
  • Saussurea (3)
  • Scabrethia (1)
  • Scalesia (1)
  • Schistocarpha (4)
  • Schkuhria (41)
  • Sclerocarpus (32)
  • Scorzonera (4)
  • Selloa (1)
  • Senecio (1232)
  • Sericocarpus (28)
  • Sidneya (15)
  • Sigesbeckia (10)
  • Silphium (7)
  • Silybum (59)
  • Simsia (37)
  • Sinclairia (3)
  • Smallanthus (8)
  • Solidago (551)
  • Soliva (21)
  • Sonchus (279)
  • Sphaeromeria (22)
  • Sphagneticola (7)
  • Spilanthes (10)
  • Spiracantha (3)
  • Stebbinsoseris (5)
  • Stenotus (50)
  • Stephanomeria (790)
  • Stevia (176)
  • Steviopsis (2)
  • Stokesia (1)
  • Stylocline (293)
  • Symphyotrichum (383)
  • Synedrella (4)
  • Syntrichopappus (129)
  • Tagetes (125)
  • Tanacetum (52)
  • Taraxacum (96)
  • Telanthophora (1)
  • Tessaria (1)
  • Tetrachyron (2)
  • Tetradymia (340)
  • Tetragonotheca (6)
  • Tetraneuris (29)
  • Thelesperma (71)
  • Thurovia (1)
  • Thymophylla (144)
  • Tithonia (50)
  • Tolpis (1)
  • Tonestus (9)
  • Townsendia (55)
  • Tragopogon (106)
  • Trichocline (1)
  • Trichocoronis (9)
  • Trichocoryne (4)
  • Trichoptilium (89)
  • Tridax (46)
  • Trigonospermum (7)
  • Trimorpha (1)
  • Tripleurospermum (2)
  • Trixis (147)
  • Urbinella (1)
  • Uropappus (24)
  • Urospermum (5)
  • Vanclevea (1)
  • Varilla (2)
  • Venegasia (47)
  • Verbesina (238)
  • Vernonia (87)
  • Vigethia (2)
  • Viguiera (121)
  • Volutaria (8)
  • Wyethia (126)
  • Xanthisma (201)
  • Xanthium (134)
  • Xanthocephalum (28)
  • Xylorhiza (156)
  • Xylothamia (16)
  • Youngia (14)
  • Zaluzania (4)
  • Zexmenia (11)
  • Zinnia (131)