The San Francisco Six - The City's Most Invasive Weeds |
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![]() Cortaderia jubata - jubata grass stand © 2005 Margo Bors |
![]() Delairea odorata - Cape ivy German ivy © 2005 Margo Bors |
![]() Genista monspessulana - French broom © 2005 Margo Bors |