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Plants of Riverside, CA

The plants most often spotted near Riverside, ranked by recent research-grade observations.

77,764
recent observations
50
species listed
50
plants

Naturalists have logged 77,764 research-grade observations across the 50 most-recorded species near Riverside. The most frequently seen is the California Buckwheat, with 4,677 recorded sightings.

Most-observed plants near Riverside

California Buckwheat
Eriogonum fasciculatum
4,677 observations · iNaturalist
Chaparral Yucca
Hesperoyucca whipplei
2,802 observations · iNaturalist
Sacred Datura
Datura wrightii
2,612 observations
Brittlebush
Encelia farinosa
2,413 observations · iNaturalist
California Sagebrush
Artemisia californica
2,357 observations
Coast Live Oak
Quercus agrifolia
2,349 observations
White Sage
Salvia apiana
2,209 observations · iNaturalist
Black Sage
Salvia mellifera
2,155 observations · iNaturalist
Laurel Sumac
Malosma laurina
2,121 observations · iNaturalist
Chilicothe
Marah macrocarpa
2,102 observations · iNaturalist
Toyon
Heteromeles arbutifolia
2,008 observations · iNaturalist
White Horehound
Marrubium vulgare
1,946 observations · iNaturalist
California Poppy
Eschscholzia californica
1,910 observations
Tree Tobacco
Nicotiana glauca
1,819 observations · iNaturalist
Blue Dicks
Dipterostemon capitatus
1,752 observations · iNaturalist
Pacific Poison Oak
Toxicodendron diversilobum
1,719 observations
Deerweed
Acmispon glaber
1,714 observations · iNaturalist
Mule Fat
Baccharis salicifolia
1,700 observations · iNaturalist
Stinknet
Oncosiphon pilulifer
1,654 observations · iNaturalist
Redstem Stork's-bill
Erodium cicutarium
1,631 observations · iNaturalist
Castor Bean
Ricinus communis
1,622 observations · iNaturalist
Wishbone Bush
Mirabilis laevis
1,612 observations · iNaturalist
Wild Canterbury Bells
Phacelia minor
1,557 observations · iNaturalist
Blue Elder
Sambucus cerulea
1,497 observations · iNaturalist
Caterpillar Scorpionweed
Phacelia cicutaria
1,468 observations · iNaturalist
Chia
Salvia columbariae
1,333 observations · iNaturalist
Lanceleaf Liveforever
Dudleya lanceolata
1,322 observations · iNaturalist
Chamise
Adenostoma fasciculatum
1,317 observations · iNaturalist
Golden Yarrow
Eriophyllum confertiflorum
1,299 observations · iNaturalist
Distant Phacelia
Phacelia distans
1,273 observations · iNaturalist
Turkey Mullein
Croton setiger
1,216 observations · iNaturalist
Sugar Bush
Rhus ovata
1,215 observations · iNaturalist
Southern Coastal Bushmallow
Malacothamnus fasciculatus
1,190 observations · iNaturalist
Telegraphweed
Heterotheca grandiflora
1,175 observations · iNaturalist
California Aster
Corethrogyne filaginifolia
1,100 observations · iNaturalist
Western Sycamore
Platanus racemosa
1,087 observations
California Fuchsia
Epilobium canum
1,042 observations · iNaturalist
California Brittlebush
Encelia californica
1,032 observations · iNaturalist
Splendid Mariposa Lily
Calochortus splendens
1,025 observations · iNaturalist
Thick-leaved Yerba Santa
Eriodictyon crassifolium
982 observations · iNaturalist
Coast Morning Glory
Calystegia macrostegia
965 observations · iNaturalist
Shortpod Mustard
Hirschfeldia incana
963 observations · iNaturalist
Lemonade Berry
Rhus integrifolia
925 observations · iNaturalist
Buffalo Gourd
Cucurbita foetidissima
894 observations · iNaturalist
Common Fiddleneck
Amsinckia menziesii
854 observations · iNaturalist
Milk Thistle
Silybum marianum
853 observations
Hollyleaf Redberry
Rhamnus ilicifolia
846 observations · iNaturalist
California Beeplant
Scrophularia californica
839 observations · iNaturalist
Arroyo Lupine
Lupinus succulentus
810 observations · iNaturalist
Southern Bush Monkeyflower
Diplacus longiflorus
801 observations · iNaturalist

Built from recent research-grade iNaturalist observations. Identifications are community-sourced and may occasionally be wrong, and the ranking reflects where people record and photograph wildlife, so a species seen often here is not necessarily rare elsewhere. Some plants and animals are only out in certain seasons. Treat this as a lively snapshot of what people are finding, not a formal checklist.

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