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Blue butterflies back in San Francisco, after Xerces extinction
The Xerces blue butterfly went extinct along the San Francisco coast some 80 years ago. But scientists have identified a ...
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Gardener shares details of frustrating battle against 'pure evil' plant invasion: 'This weed is almost impossible to eliminate'
While you can't see blooms in the Reddit photo, this invasive species often has bell-shaped blue-purple flowers that ... plants for their zone through the Xerces Society, the National Wildlife ...
Blue butterflies return to San Francisco Presidio, 80 years after Xerces species extinction
The California Academy of Sciences used genetic testing to identify a blue butterfly species similar to the Xerces species ...
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A close relative is released to fill gap of vanished butterfly
SAN FRANCISCO >> More than 80 years ago, a beautiful butterfly called Xerces Blue that once fluttered among San Francisco’s coastal dunes went extinct as stately homes, museums and parks ate up ...