Riverside Citizen Science - Flora

Riverside Citizen Science seeks to engage our community in observing and documenting Riverside's natural environment. Observers are welcome to contribute to a growing database of biodiversity records for the City's parks, open spaces and neighborhoods. Use this guide as a reference to plant ...more ↓

7537169068 c34456c1ae m
Blue Elderberry 1
Sambucus nigra caerulea
4328327135 f401cb9cb8 m
tumbleweed 2
Amaranthus albus
459135992 5bcccbec2f m
redroot pigweed 3
Amaranthus retroflexus
4326831475 6e666fab6c m
Parish's glasswort 4
Arthrocnemum subterminale
2606415103 690970f17f m
Australian saltbush 5
Atriplex semibaccata
44540 orig
bractscale 6
Atriplex serenana
5160112544 8af1fd7c36 m
White Goosefoot 7
Chenopodium album
5500906873 f737121572 m
California goosefoot 8
Chenopodium californicum
168411715 5dc7a0032b m
horned seablite 4
Suaeda calceoliformis
Small
bush seepweed 13
Suaeda nigra
3428319446 c2a2f4fab6 m
Pacific Poison Oak 14
Toxicodendron diversilobum
3107210637 3d560af639 m
celery and celeriac 15
Apium graveolens
Small
rattlesnake weed 16
Daucus pusillus
3825712312 7bd1c19f3b m
Sweet Fennel 17
Foeniculum vulgare
climbing milkweed
Funastrum cynanchoides hartwegii
2524678072 3ce1c83889 m
goldenstar 20
Bloomeria crocea
3359300747 7a192d6de4 m
Blue Dicks 21
Dichelostemma capitatum
5087796789 2d1654e8bb m
Annual Bur-Sage 10
Ambrosia acanthicarpa
6191713753 de6d50e659 m
estafiate 22
Ambrosia confertiflora
2306607305 f6f1dcf9fb m
western ragweed 23
Ambrosia psilostachya
1277972883 aad62928d4 m
California Sagebrush 24
Artemisia californica
642157970 27e7bebae4 m
Mugwort 25
Artemisia douglasiana
4455878753 b10de54b39 m
Baccharis douglasii 26
Baccharis glutinosa
Small
willow baccharis 27
Baccharis salicina
3970698560 66b35ee09a m
bur-marigold 28
Bidens laevis
3346351331 c9ae859f88 m
Black-jack 29
Bidens pilosa
Desert Brickellbush
Brickellia desertorum
Small
tocalote 30
Centaurea melitensis
530920293 2410068de5 m
yellow pincushion 4
Chaenactis glabriuscula
3710903887 118bd44e5e m
cobwebby thistle 31
Cirsium occidentale
3212399970 04cf1497c4 m
Conyza bonariensis 32
Erigeron bonariensis
2741516379 e67f7ed277 m
Conyza canadensis 33
Erigeron canadensis
271373355 132053341d m
California Aster 4
Corethrogyne filaginifolia
2129865448 a2bc482937 m
Brittlebush 34
Encelia farinosa
Ericameria palmeri pachylepis
Ericameria palmeri pachylepis
Thread stemmed fleabane
Erigeron foliosus foliosus
2818560788 d752060890 m
golden yarrow 35
Eriophyllum confertiflorum
3863577259 217502c544 m
Western Goldenrod 4
Euthamia occidentalis
87491 orig
Filago californica 36
Logfia filaginoides
4049573965 5893eb2083 m
western marsh cudweed 10
Gnaphalium palustre
5045120790 81cdd7f341 m
California matchweed 8
Gutierrezia californica
3742589333 2e8ac6203b m
Rosilla 8
Helenium puberulum
crowned or royal goldfields
Lasthenia coronaria
8521987961 b0e5c79f53 m
common goldfields 37
Lasthenia gracilis
Small
Tidy Tips 38
Layia platyglossa
8084919 0a90dd41d3 m
California desertdandelion 39
Malacothrix californica
valley mayweed
Matricaria occidentalis
Small
Salt Marsh Fleabane 40
Pluchea odorata
4632267840 29f6632438 m
Arrowweed 8
Pluchea sericea
3048911981 97bf1fcedc m
wooly cudweed 41
Pseudognaphalium stramineum
dwarf woollyheads
Psilocarphus brevissimus brevissimus
3369534318 4475843edb m
California ragwort 42
Senecio californicus
Douglas' threadleaf ragwort
Senecio flaccidus douglasii
2124957296 7bf7d3f511 m
spiny sowthistle 43
Sonchus asper
3811007713 0cf22d6eec m
small wirelettuce 21
Stephanomeria exigua
2597705792 89526992ed m
Spiny Cocklebur 5
Xanthium spinosum
rough cocklebur
Xanthium strumarium canadense
2329383029 93526dfb57 m
white alder 46
Alnus rhombifolia
Small
common fiddleneck 47
Amsinckia menziesii
2422868633 fd884cf0a6 m
Clearwater cryptantha 4
Cryptantha intermedia
hierba cola de alacrán
Cryptantha micrantha
388841513 2754bf6e8e m
whispering bells 48
Emmenanthe penduliflora
393207158 bca165260f m
spotted hideseed 48
Eucrypta chrysanthemifolia
271776844 71dc350986 m
seaside heliotrope 49
Heliotropium curassavicum
3196503910 30b4301f4c m
Baby-blue-eyes 50
Nemophila menziesii
sagebrush combseed
Pectocarya linearis
427241431 ef8b5d6eea m
Distant Phacelia 48
Phacelia distans
272545052 519cf8c193 m
California Bluebell 51
Phacelia minor
Small
branching phacelia 52
Phacelia ramosissima
3585707726 d1ecbd6439 m
Brassica geniculata 2
Hirschfeldia incana
4049340564 513c414913 m
western tansymustard 10
Descurainia pinnata
3374030360 774406cbbb m
Virginia pepperweed 53
Lepidium virginicum

Edited by mfugate, some rights reserved (CC BY-SA)

Photo Credits

  • 1. (c) Phuong Tran, some rights reserved (CC BY-NC-ND)
  • 2. (c) Bas Kers, some rights reserved (CC BY-NC-SA)
  • 3. (c) Huerta Orgázmika, some rights reserved (CC BY)
  • 4. (c) stonebird, some rights reserved (CC BY-NC-SA)
  • 5. (c) Tony Rodd, some rights reserved (CC BY-NC-SA)
  • 6. (c) Smithsonian Institution, National Museum of Natural History, Department of Botany, some rights reserved (CC BY-NC-SA)
  • 7. (c) Dan Mullen, some rights reserved (CC BY-NC-ND)
  • 8. (c) randomtruth, some rights reserved (CC BY-NC-SA)
  • 9. (c) Valter Jacinto, some rights reserved (CC BY-NC-SA)
  • 10. (c) Matt Lavin, some rights reserved (CC BY-SA)
  • 11. (c) Stan Shebs, some rights reserved (CC BY-SA)
  • 12. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA)
  • 13. (c) Ken-ichi Ueda, some rights reserved (CC BY-NC)
  • 14. (c) Jerry Kirkhart, some rights reserved (CC BY-NC)
  • 15. (c) Cliff, some rights reserved (CC BY)
  • 16. (c) Ken-ichi Ueda, some rights reserved (CC BY)
  • 17. (c) Alfred Diem, some rights reserved (CC BY)
  • 18. (c) Noël Zia Lee, some rights reserved (CC BY)
  • 19. (c) Joshua, some rights reserved (CC BY-NC-SA)
  • 20. (c) Jerry Kirkhart, some rights reserved (CC BY)
  • 21. (c) Tom Hilton, some rights reserved (CC BY)
  • 22. (c) Anthony Mendoza, some rights reserved (CC BY-NC-SA)
  • 23. (c) Patrick Alexander, some rights reserved (CC BY-NC-ND)
  • 24. (c) kqedquest, some rights reserved (CC BY-NC)
  • 25. (c) stonebird, some rights reserved (CC BY-SA)
  • 26. (c) faria!, some rights reserved (CC BY-NC-SA)
  • 27. (c) J. N. Stuart, some rights reserved (CC BY-NC-ND), uploaded by James N. Stuart
  • 28. (c) Kerry Wixted, some rights reserved (CC BY-NC)
  • 29. (c) Shipher (士緯) Wu (吳), some rights reserved (CC BY-NC-SA)
  • 30. (c) Franco Folini, some rights reserved (CC BY-NC-SA)
  • 31. (c) Eric in SF, some rights reserved (CC BY-NC-ND)
  • 32. (c) John Tann, some rights reserved (CC BY)
  • 33. (c) Bill Rogers, some rights reserved (CC BY-NC-ND)
  • 34. (c) Florian Boyd, some rights reserved (CC BY-SA)
  • 35. (c) James Gaither, some rights reserved (CC BY-NC-ND)
  • 36. (c) 2008 Keir Morse, some rights reserved (CC BY-NC-SA)
  • 37. (c) Gravitywave, some rights reserved (CC BY-NC-SA)
  • 38. (c) Franco Folini, some rights reserved (CC BY-SA)
  • 39. (c) Jerry Pierce, some rights reserved (CC BY-NC-SA)
  • 40. (c) Anita, some rights reserved (CC BY-NC)
  • 41. (c) David Hofmann, some rights reserved (CC BY-NC-ND)
  • 42. (c) Mike Baird, some rights reserved (CC BY)
  • 43. (c) Esther, some rights reserved (CC BY-NC-SA)
  • 44. (c) Ken-ichi Ueda, some rights reserved (CC BY-NC-SA)
  • 45. (c) 2009 Jorg Fleige, some rights reserved (CC BY-NC)
  • 46. (c) josh jackson, some rights reserved (CC BY)
  • 47. (c) Dawn Endico, some rights reserved (CC BY-SA)
  • 48. (c) Wayfinder_73, some rights reserved (CC BY-NC-ND)
  • 49. (c) m c, some rights reserved (CC BY-SA)
  • 50. (c) Philip Bouchard, some rights reserved (CC BY-NC-ND)
  • 51. (c) Joe Decruyenaere, some rights reserved (CC BY-SA)
  • 52. no rights reserved
  • 53. (c) Frank Mayfield, some rights reserved (CC BY-SA)

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