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University of California, Riverside Plant Herbarium (UCR)

Contacts:

• Andrew Sanders, Andrew.Sanders@ucr.edu

Address:

UCR Herbarium

Dept. of Botany & Plant Sciences

University of California

Riverside, CA   92521

USA

(951) 827-3601

Collection Statistics

• 267,663 specimen records
• 255,244 (95%) georeferenced
• 99,370 (37%) with images (101,263 total images)
• 256,789 (96%) identified to species
• 345 families
• 3,566 genera
• 19,773 species
• 24,885 total taxa (including subsp. and var.)

Extra Statistics

Show Geographic Distribution

Show Family Distribution

Taxon Distribution

Taxon Distribution

• Acamptopappus (160)
• Achillea (197)
• Achyrachaena (55)
• Acmella (20)
• Acourtia (151)
• Acroptilon (7)
• Adenocaulon (21)
• Adenophyllum (137)
• Adenothamnus (5)
• Ageratella (4)
• Ageratina (253)
• Ageratum (37)
• Agoseris (324)
• Aldama (7)
• Alepidocline (2)
• Alloispermum (12)
• Almutaster (2)
• Alvordia (11)
• Amauria (28)
• Amauriopsis (3)
• Amblyolepis (6)
• Amblyopappus (43)
• Ambrosia (1106)
• Amphiachyris (6)
• Amphipappus (58)
• Anaphalis (51)
• Ancistrocarphus (61)
• Anisocarpus (2)
• Anisocoma (132)
• Antennaria (242)
• Anthemis (74)
• Aphanostephus (26)
• Aphyllocladus (1)
• Archibaccharis (25)
• Arctium (11)
• Arctotheca (16)
• Arctotis (5)
• Argyranthemum (7)
• Arida (71)
• Arnica (162)
• Arnicastrum (1)
• Arnoglossum (1)
• Artemisia (1182)
• Aspilia (2)
• Aster (616)
• Astranthium (9)
• Athanasia (1)
• Atrichoseris (104)
• Austroeupatorium (1)
• Baccharis (782)
• Baeriopsis (3)
• Bahia (94)
• Bahiopsis (98)
• Baileya (280)
• Bajacalia (1)
• Balsamorhiza (53)
• Baltimora (7)
• Barkleyanthus (19)
• Bartlettina (3)
• Bebbia (220)
• Bellis (16)
• Benitoa (2)
• Berlandiera (24)
• Bidens (335)
• Bigelowia (1)
• Blennosperma (17)
• Blepharipappus (10)
• Blepharizonia (2)
• Boltonia (2)
• Borrichia (3)
• Brachyclados (2)
• Brachycome (1)
• Bradburia (1)
• Brickellia (882)
• Cacalia (10)
• Cacaliopsis (1)
• Calea (23)
• Calendula (21)
• Calocephalus (1)
• Calycadenia (77)
• Calycoseris (183)
• Calyptocarpus (11)
• Carduus (108)
• Carlquistia (1)
• Carminatia (24)
• Carphephorus (1)
• Carphochaete (18)
• Carterothamnus (1)
• Carthamus (22)
• Centaurea (345)
• Centipeda (1)
• Centratherum (6)
• Centromadia (69)
• Chaenactis (1396)
• Chaetadelpha (28)
• Chaetanthera (1)
• Chaetopappa (77)
• Chamaechaenactis (1)
• Chamomilla (8)
• Chaptalia (6)
• Chiliotrichum (1)
• Chloracantha (33)
• Chondrilla (36)
• Chorisiva (1)
• Chromolaena (7)
• Chromolepis (4)
• Chrysactinia (11)
• Chrysanthellum (1)
• Chrysanthemoides (6)
• Chrysanthemum (111)
• Chrysogonum (1)
• Chrysopsis (43)
• Chrysothamnus (424)
• Chuquiraga (7)
• Cichorium (34)
• Cirsium (662)
• Clappia (2)
• Clibadium (6)
• Cnicus (37)
• Conoclinium (9)
• Constancea (1)
• Conyza (359)
• Coreocarpus (64)
• Coreopsis (273)
• Corethrogyne (36)
• Cosmos (66)
• Cotula (126)
• Craspedia (2)
• Crassocephalum (5)
• Crepis (142)
• Critonia (2)
• Crocidium (4)
• Croptilon (4)
• Crupina (1)
• Cyanthillium (1)
• Cynara (15)
• Dahlia (41)
• Decachaeta (20)
• Deinandra (107)
• Delairea (20)
• Delilea (5)
• Dendranthema (1)
• Desmanthodium (13)
• Diaperia (15)
• Dichaetophora (2)
• Dicoria (55)
• Dicranocarpus (9)
• Dieteria (42)
• Dimeresia (3)
• Dimorphotheca (49)
• Diodia (1)
• Dittrichia (45)
• Dugaldia (6)
• Dugesia (1)
• Dyscritothamnus (1)
• Dyssodia (187)
• Eastwoodia (18)
• Eatonella (4)
• Echinacea (4)
• Eclipta (64)
• Egletes (6)
• Elephantopus (13)
• Eleutheranthera (1)
• Emilia (4)
• Encelia (696)
• Enceliopsis (38)
• Engelmannia (10)
• Erechtites (22)
• Ericameria (1180)
• Erigeron (1590)
• Eriophyllum (1104)
• Eucephalus (62)
• Eupatorium (231)
• Euphrosyne (3)
• Eurybia (6)
• Euryops (5)
• Eutetras (4)
• Euthamia (36)
• Evax (2)
• Farfugium (1)
• Felicia (2)
• Filago (367)
• Flaveria (24)
• Fleischmannia (14)
• Florestina (15)
• Flourensia (21)
• Flyriella (1)
• Gaillardia (92)
• Galeana (8)
• Galinsoga (69)
• Gamochaeta (114)
• Gazania (46)
• Geissolepis (1)
• Geraea (173)
• Glebionis (5)
• Glyptopleura (47)
• Gnaphalium (928)
• Gochnatia (4)
• Goldmanella (1)
• Grindelia (244)
• Guardiola (38)
• Guizotia (1)
• Gundlachia (1)
• Gutierrezia (435)
• Gymnocoronis (1)
• Gymnosperma (21)
• Gynura (1)
• Haploesthes (4)
• Haplopappus (234)
• Harleya (1)
• Harmonia (1)
• Hazardia (37)
• Hecastocleis (10)
• Hedypnois (91)
• Helenium (191)
• Helianthella (39)
• Helianthus (392)
• Helichrysum (4)
• Heliomeris (15)
• Heliopsis (48)
• Helminthotheca (4)
• Helogyne (1)
• Hemizonella (5)
• Hemizonia (726)
• Henricksonia (1)
• Hesperevax (5)
• Heteranthemis (2)
• Heterosperma (45)
• Heterothalamus (2)
• Heterotheca (334)
• Hieracium (207)
• Hofmeisteria (31)
• Holocarpha (79)
• Holozonia (9)
• Hulsea (155)
• Hyalis (1)
• Hybridella (1)
• Hydropectis (1)
• Hymenoclea (81)
• Hymenopappus (115)
• Hymenothrix (66)
• Hymenoxys (211)
• Hypochaeris (180)
• Hysterionica (1)
• Inula (1)
• Ionactis (6)
• Iostephane (2)
• Isocarpha (3)
• Isocoma (184)
• Iva (155)
• Jaegeria (21)
• Jaumea (33)
• Jefea (1)
• Jensia (2)
• Jungia (1)
• Krigia (9)
• Kuhnia (1)
• Lactuca (161)
• Laennecia (18)
• Lagascea (37)
• Lagophylla (78)
• Lapsana (18)
• Lasianthaea (50)
• Lasiopogon (1)
• Lasthenia (532)
• Launaea (1)
• Layia (487)
• Leibnitzia (8)
• Leontodon (56)
• Lepidospartum (134)
• Leptocarpha (1)
• Leptosyne (28)
• Lessingia (396)
• Leucanthemum (13)
• Leucelene (58)
• Leucheria (1)
• Leucosyris (4)
• Liabum (17)
• Liatris (23)
• Ligularia (1)
• Lindheimera (6)
• Logfia (144)
• Lorandersonia (1)
• Loxothysanus (3)
• Luina (3)
• Lundellianthus (3)
• Lygodesmia (17)
• Machaeranthera (591)
• Macrachaenium (1)
• Madia (653)
• Malacothrix (696)
• Malperia (10)
• Marshallia (5)
• Matricaria (163)
• Mauranthemum (1)
• Melampodium (154)
• Melanthera (14)
• Melica (1)
• Mexerion (1)
• Micropus (78)
• Microseris (525)
• Microspermum (3)
• Mikania (17)
• Milleria (12)
• Monolopia (71)
• Monoptilon (196)
• Montanoa (52)
• Mulgedium (1)
• Mutisia (2)
• Mycelis (1)
• Nardophyllum (1)
• Nassauvia (6)
• Neohintonia (14)
• Neomirandea (2)
• Neurolaena (6)
• Nicolletia (78)
• Nothocalais (3)
• Odontotrichum (4)
• Olearia (1)
• Oligoneuron (2)
• Olivaea (2)
• Oncosiphon (87)
• Onopordum (7)
• Onoseris (2)
• Oonopsis (1)
• Ophryosporus (3)
• Oreochrysum (13)
• Oreostemma (6)
• Orochaenactis (14)
• Osmadenia (12)
• Osteospermum (14)
• Othonna (2)
• Otopappus (8)
• Oxylobus (2)
• Oxypappus (9)
• Oxyphyllum (1)
• Ozothamnus (1)
• Packera (170)
• Palafoxia (231)
• Pallenis (5)
• Parthenice (6)
• Parthenium (160)
• Pectis (310)
• Pelucha (2)
• Pentachaeta (22)
• Perezia (3)
• Pericome (18)
• Perityle (386)
• Perymenium (35)
• Petasites (4)
• Petradoria (32)
• Peucephyllum (109)
• Phalacroseris (6)
• Picradeniopsis (1)
• Picris (59)
• Pinaropappus (18)
• Pippenalia (2)
• Piptothrix (4)
• Piqueria (14)
• Pityopsis (9)
• Plecostachys (24)
• Pleiacanthus (1)
• Pleocarphus (1)
• Pleurocoronis (127)
• Pluchea (200)
• Plummera (2)
• Podachaenium (8)
• Podanthus (1)
• Polyachyrus (3)
• Porophyllum (260)
• Prenanthella (83)
• Prenanthes (1)
• Prionopsis (2)
• Psacalium (19)
• Psathyrotes (116)
• Pseudelephantopus (1)
• Pseudobahia (10)
• Pseudoclappia (3)
• Pseudoconyza (3)
• Pseudognaphalium (391)
• Pseudogynoxys (2)
• Psilactis (12)
• Psilocarphus (132)
• Psilostrophe (142)
• Pterocaulon (1)
• Pulicaria (56)
• Pyrrhopappus (15)
• Pyrrocoma (82)
• Rafinesquia (337)
• Raillardella (17)
• Raillardiopsis (1)
• Ratibida (32)
• Rensonia (1)
• Rhagadiolus (4)
• Rigiopappus (36)
• Roldana (4)
• Rudbeckia (35)
• Rumfordia (6)
• Sabazia (6)
• Salmea (1)
• Santolina (5)
• Sanvitalia (72)
• Sartwellia (11)
• Saussurea (3)
• Scalesia (1)
• Schistocarpha (4)
• Schkuhria (40)
• Sclerocarpus (31)
• Scorzonera (4)
• Selloa (1)
• Senecio (1279)
• Sericocarpus (11)
• Sigesbeckia (10)
• Silphium (6)
• Silybum (58)
• Simsia (35)
• Sinclairia (1)
• Smallanthus (7)
• Solidago (576)
• Soliva (21)
• Sonchus (271)
• Sphaeromeria (19)
• Sphagneticola (7)
• Spilanthes (10)
• Spiracantha (3)
• Stebbinsoseris (4)
• Stenotus (46)
• Stephanomeria (754)
• Stevia (174)
• Steviopsis (2)
• Stokesia (1)
• Stylocline (282)
• Symphyotrichum (131)
• Synedrella (4)
• Syntrichopappus (122)
• Tagetes (121)
• Tanacetum (26)
• Taraxacum (90)
• Telanthophora (1)
• Tessaria (1)
• Tetrachyron (2)
• Tetradymia (325)
• Tetragonotheca (5)
• Tetraneuris (18)
• Thelesperma (64)
• Thurovia (1)
• Thymophylla (34)
• Tithonia (48)
• Tolpis (1)
• Tonestus (9)
• Townsendia (55)
• Tragopogon (104)
• Trichocline (1)
• Trichocoronis (9)
• Trichocoryne (4)
• Trichoptilium (85)
• Tridax (44)
• Trigonospermum (7)
• Trimorpha (1)
• Trixis (146)
• Urbinella (1)
• Uropappus (15)
• Urospermum (5)
• Vanclevea (1)
• Varilla (2)
• Venegasia (46)
• Verbesina (233)
• Vernonia (82)
• Vigethia (2)
• Viguiera (416)
• Volutaria (8)
• Wedelia (18)
• Wyethia (123)
• Xanthisma (22)
• Xanthium (130)
• Xanthocephalum (28)
• Xylorhiza (95)
• Xylothamia (2)
• Youngia (13)
• Zaluzania (4)
• Zexmenia (24)
• Zinnia (125)

This project was made possible in part by the Institute of Museum and Library Services [MG-70-19-0057-19].

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