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Beach-bur Ambrosia chamissonis Back to Asteraceae of Orange County, California |
 Balboa Peninsula, Newport Beach, Orange County, CA. 5-18-14. © Peter J. Bryant |
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%20Bolsa%20Chica%20State%20Beach,%20Huntington%20Beach,%20Orange%20Co.,%20CA%204-19-09%20077.jpg) Bolsa Chica State Beach, Huntington Beach, Orange Co., CA. 4-19-09. © Joan Avise |
 Balboa Peninsula, Newport Beach, Orange County, CA. 5-18-14. © Peter J. Bryant |
%20Bolsa%20Chica%20State%20Beach,%20Huntington%20Beach,%20Orange%20Co.,%20CA%204-19-09%20076.jpg) Bolsa Chica State Beach, Huntington Beach, Orange Co., CA. 4-19-09. © Joan Avise |
%20Bolsa%20Chica%20State%20Beach,%20Huntington%20Beach,%20Orange%20Co.,%20CA%204-19-09%20078.jpg) Bolsa Chica State Beach, Huntington Beach, Orange Co., CA. 4-19-09. © Joan Avise |
 Mature seed; Bolsa Chica Wetlands, Huntington Beach, CA. 10-02-11. © Joan Avise |
 Female flowers, each head produces a seed; Bolsa Chica Wetlands, Huntington Beach, CA. 10-02-11. © Joan Avise |
%20beneath;%20Bolsa%20Chica%20Wetlands,%20Huntington%20Beach,%20CA.%2010-01-11%20010.jpg) Flower stalk with male flower heads at the end + female flowers (burs) beneath; Bolsa Chica Wetlands, Huntington Beach, CA. 10-01-11. © Joan Avise |
 Fruits, Bolsa Chica Wetlands, Huntington Beach, CA. 10-01-11. © Joan Avise |
 Crystal Cv. SP beach and cliffs, 4-26-12. © Ron Vanderhoff. |
 San Mateo Pt. and State Beach, 5-20-12. © Ron Vanderhoff. |
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