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Common sow-thistle Sonchus oleraceus Exotic species, native to Asia and Europe Back to Asteraceae of Orange County, California |
%20San%20Onofre%20State%20Beach,%20San%20Diego%20Co,%20CA%206-2-07%20027.jpg) San Onofre State Beach, San Diego County, CA. 6-2-07. © Joan Avise |
%20Black%20Star%20Canyon%20Wilderness%20Park%203-09-08%20023.jpg) Black Star Canyon Wilderness Park, Orange County, CA.3-09-08. © Joan Avise |
%20San%20Onofre%20State%20Beach,%20San%20Diego%20Co,%20CA%206-2-07%20034.jpg) San Onofre State Beach, San Diego County, CA. 6-2-07. © Joan Avise |
%20UCI%20Ecological%20Preserve,%20Irvine,%20CA%205-14-10%20139.jpg) UCI Ecological Preserve, Irvine, CA. 5-14-10. © Joan Avise |
%20UCI%20Ecological%20Preserve,%20Irvine,%20CA%205-14-10%20028.jpg) UCI Ecological Preserve, Irvine, CA. 5-14-10. © Joan Avise |
%20Bolsa%20Chica%20Wetlands,%20Huntington%20Beach%204-06-08%20013.jpg) Bolsa Chica Wetlands, Huntington Beach, Orange County, CA.4-06-08. © Joan Avise |
 Wood Canyon, Aliso and Wood Canyons Wilderness Park, Orange County, CA. © Peter J. Bryant |
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 Wood Canyon, Aliso and Wood Canyons Wilderness Park, Orange County, CA. © Peter J. Bryant |
 Wood Canyon, Aliso and Wood Canyons Wilderness Park, Orange County, CA. © Peter J. Bryant |
 Sonchus oleraceus L, Lactuca serriola R, UCI Arboretum & Marsh, 6-13-13. © Ron Vanderhoff. |
 Lactuca serriola L, S. oleraceus R, UCI Arboretum & Marsh, 6-13-13. © Ron Vanderhof. |
 E San Juan Creek, N Stonehill, 3-1-15. © Ron Vanderhoff. |
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