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Close-up of a Blackberry (Rubus argutus) flower, Kokee State Park, west Kaua'i.
Flowers of the Blackberry (Rubus argutus), Kokee State Park, west Kaua'i. Blackberry is a very aggressive and invasive plant, and has become a serious weed on Kaua'i, where it forms dense briar patches that crowd out native plants.
Close-up of immature (red) and mature (black) fruit of the Blackberry (Rubus argutus), Kokee State Park, west Kaua'i.
Close-up of a Blackberry (Rubus argutus) flower, Kokee State Park, west Kaua'i.
Close-up of a Blackberry (Rubus argutus) flower, Kokee State Park, west Kaua'i.
Close-up of a Blackberry (Rubus argutus) flower, Kokee State Park, west Kaua'i.
See photo in original gallery.
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