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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 ↓

Blue Elderberry
Sambucus nigra caerulea
tumbleweed 1
Amaranthus albus
redroot pigweed 2
Amaranthus retroflexus
Parish's glasswort 3
Arthrocnemum subterminale
Australian saltbush 4
Atriplex semibaccata
bractscale 5
Atriplex serenana
White Goosefoot 6
Chenopodium album
California goosefoot 7
Chenopodium californicum
Nettle-leaved Goosefoot 8
Chenopodium murale
nuttall's poverty weed 9
Monolepis nuttalliana
Nitrophila occidentalis 10
Russian thistle 11
Salsola tragus
horned seablite 3
Suaeda calceoliformis
bush seepweed 12
Suaeda nigra
Allium peninsulare 7
Pacific Poison Oak 13
Toxicodendron diversilobum
celery and celeriac 14
Apium graveolens
Bowlesia icana
rattlesnake weed 12
Daucus pusillus
Sweet Fennel 15
Foeniculum vulgare
water pennywort 16
Hydrocotyle ranunculoides
Hydrocotyle umbellata 17
Sanicula crassicaulis crassicaulis
Narrowleaf milkweed 7
Asclepias fascicularis
climbing milkweed
Funastrum cynanchoides hartwegii
goldenstar 18
Bloomeria crocea
Blue Dicks 19
Dichelostemma capitatum
Annual Bur-Sage 9
Ambrosia acanthicarpa
estafiate 20
Ambrosia confertiflora
western ragweed 21
Ambrosia psilostachya
California Sagebrush 22
Artemisia californica
Mugwort 23
Artemisia douglasiana
Baccharis douglasii
Baccharis glutinosa
willow baccharis 24
Baccharis salicina
Bebbia juncea
bur-marigold 25
Bidens laevis
Black-jack 26
Bidens pilosa
Desert Brickellbush
Brickellia desertorum
tocalote 27
Centaurea melitensis
Centromadia pungens 7
yellow pincushion 3
Chaenactis glabriuscula
cobwebby thistle 28
Cirsium occidentale
Conyza bonariensis 29
Erigeron bonariensis
Conyza canadensis 30
Erigeron canadensis
California Aster 3
Corethrogyne filaginifolia
Encelia calfornica
Brittlebush 31
Encelia farinosa
Ericameria palmeri pachylepis
Ericameria palmeri pachylepis
Thread stemmed fleabane
Erigeron foliosus foliosus
golden yarrow 32
Eriophyllum confertiflorum
Western Goldenrod 3
Euthamia occidentalis
Filago californica 33
Logfia filaginoides
western marsh cudweed 9
Gnaphalium palustre
California matchweed 7
Gutierrezia californica
Rosilla 7
Helenium puberulum
Helianthus anuus
Hemizonia kelloggii
Hemizonia paniculata
Telegraphweed 3
Heterotheca grandiflora
Coastal Goldenbush 7
Isocoma menziesii
crowned or royal goldfields
Lasthenia coronaria
common goldfields 34
Lasthenia gracilis
Tidy Tips 35
Layia platyglossa
Leptospartum squamatum
Lessingia glandulifera 12
California desertdandelion 36
Malacothrix californica
valley mayweed
Matricaria occidentalis
Salt Marsh Fleabane 37
Pluchea odorata
Arrowweed 7
Pluchea sericea
Pseudognaphalium bioletti
wooly cudweed 38
Pseudognaphalium stramineum
dwarf woollyheads
Psilocarphus brevissimus brevissimus
California ragwort 39
Senecio californicus
Douglas' threadleaf ragwort
Senecio flaccidus douglasii
spiny sowthistle
Sonchus asper
small wirelettuce 19
Stephanomeria exigua
Stephanomeria virgata pleurocarpa 12
everlasting neststraw
Stylocline gnaphaloides
Pacific aster 40
Symphyotrichum chilense
Symphyotrichum lanceolatum hesperius
Symphyotricum divaricatum
Spiny Cocklebur 4
Xanthium spinosum
rough cocklebur
Xanthium strumarium canadense
white alder 41
Alnus rhombifolia
common fiddleneck 42
Amsinckia menziesii
Clearwater cryptantha 3
Cryptantha intermedia
hierba cola de alacrán
Cryptantha micrantha
whispering bells 43
Emmenanthe penduliflora
Eriodictyon trichocalyx tricocalyx
spotted hideseed 43
Eucrypta chrysanthemifolia
seaside heliotrope 44
Heliotropium curassavicum
Baby-blue-eyes 45
Nemophila menziesii
sagebrush combseed
Pectocarya linearis
Distant Phacelia 43
Phacelia distans
California Bluebell 46
Phacelia minor
branching phacelia 47
Phacelia ramosissima
Plagiobothrys collinus
Brassica geniculata 1
Hirschfeldia incana
western tansymustard 9
Descurainia pinnata
Virginia pepperweed 48
Lepidium virginicum

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

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