The Most Common Plants of Southern California: List Sorted By Commonness See The Most Common Plants of Southern California for information about the list below.
Caveat: This is only a preliminary, just-for-fun list. This list will change as the trail guides become more complete. In particular, this list is incomplete for annuals due to the severe drought in 2002.
This list is sorted by order of occurrences. This is not terribly statistically significant, for the reasons explained in The Most Common Plants of Southern California. Hence the precise order of the species should not be considered significant.
In order to do the sort at all, we have summed all the occurrences of each subspecies with the occurrences of the parent species. This is not a strictly correct thing to do, since a single trail may have two subspecies on it. Nonetheless, it is approximately correct. When we have more complete lists in our Master List, we will do a proper job of summing over all subspecies.
Latin Name Common Name Family #all #muns #floras #trails Eriogonum fasciculatum California buckwheat Polygonaceae 10 11 10 0 Eriogonum fasciculatum var. foliolosum California buckwheat Polygonaceae 23 0 4 19 Eriogonum fasciculatum var. polifolium California buckwheat Polygonaceae 13 0 2 11 Eriophyllum confertiflorum golden yarrow Asteraceae 15 10 11 4 Eriophyllum confertiflorum var. confertiflorum golden yarrow Asteraceae 21 0 5 16 Epilobium canum California fuchsia Onagraceae 10 8 7 3 Epilobium canum ssp. canum California fuchsia Onagraceae 16 6 10 6 Epilobium canum ssp. latifolium mountain California-fuchsia Onagraceae 10 2 5 5 Lessingia filaginifolia California-aster Asteraceae 10 9 8 2 Lessingia filaginifolia var. filaginifolia California-aster Asteraceae 26 2 7 19 Sambucus mexicana blue elderberry Caprifoliaceae 34 12 17 17 Artemisia californica California sagebrush Asteraceae 33 11 15 18 Heteromeles arbutifolia toyon Rosaceae 33 10 14 19 Bromus diandrus *ripgut brome Poaceae 33 12 16 17 Centaurea melitensis *tocalote Asteraceae 32 12 16 16 Hirschfeldia incana *shortpod mustard Brassicaceae 31 12 15 16 Lotus scoparius deerweed Fabaceae 17 11 11 6 Lotus scoparius var. scoparius deerweed Fabaceae 13 0 4 9 Salvia mellifera black sage Lamiaceae 30 10 14 16 Rhamnus ilicifolia hollyleaf redberry Rhamnaceae 30 9 14 16 Baccharis salicifolia mule fat Asteraceae 29 11 14 15 Heterotheca grandiflora telegraph weed Asteraceae 29 11 15 14 Salix lasiolepis arroyo willow Salicaceae 29 9 14 15 Mimulus aurantiacus bush monkeyflower Scrophulariaceae 29 10 12 17 Bromus madritensis ssp. rubens *red brome Poaceae 29 11 13 16 Toxicodendron diversilobum poison oak Anacardiaceae 28 11 14 14 Gnaphalium canescens ssp. microcephalum white everlasting Asteraceae 28 10 13 15 Salsola tragus *Russian thistle Chenopodiaceae 28 11 14 14 Quercus agrifolia coast live oak Fagaceae 10 9 10 0 Quercus agrifolia var. agrifolia coast live oak Fagaceae 18 0 3 15 Adenostoma fasciculatum chamise Rosaceae 28 9 13 15 Malosma laurina laurel sumac Anacardiaceae 27 9 13 14 Erigeron foliosus leafy daisy Asteraceae 12 9 10 2 Erigeron foliosus var. foliosus leafy daisy Asteraceae 15 0 3 12 Gnaphalium californicum California everlasting Asteraceae 27 11 15 12 Hazardia squarrosa saw-toothed goldenbush Asteraceae 9 9 8 1 Hazardia squarrosa var. grindelioides saw-toothed goldenbush Asteraceae 18 0 4 14 Erodium cicutarium *redstem filaree Geraniaceae 27 12 16 11 Salvia apiana white sage Lamiaceae 27 8 12 15 Ambrosia psilostachya western ragweed Asteraceae 26 10 13 13 Artemisia douglasiana mugwort Asteraceae 26 11 14 12 Brickellia californica California brickellbush Asteraceae 26 9 13 13 Lonicera subspicata southern honeysuckle Caprifoliaceae 6 8 6 0 Lonicera subspicata var. denudata southern honeysuckle Caprifoliaceae 20 0 5 15 Marah macrocarpus wild-cucumber Cucurbitaceae 12 11 12 0 Marah macrocarpus var. macrocarpus wild-cucumber Cucurbitaceae 14 0 3 11 Marrubium vulgare *horehound Lamiaceae 26 12 15 11 Bromus hordeaceus *soft chess Poaceae 26 11 15 11 Melica imperfecta small-flowered melica Poaceae 26 10 14 12 Avena barbata *slender wild oats Poaceae 24 11 15 9 Avena fatua *wild oats Poaceae 18 11 14 4
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Copyright © 2002 by Tom Chester and Jane Strong
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Last update: 8 November 2002