The California Academy of Sciences used genetic testing to identify a blue butterfly species similar to the Xerces species ...
A comprehensive study of U.S. butterfly populations shows dramatic declines in most species, but Pacific Northwest ecologists ...
Look out for this large, leafy lichen on trees in ancient woodlands in the west of the UK. Like other lichen species, tree lungwort is made up of multiple organisms – a fungus and two algae species in ...
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