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United States, Florida, Missouri Key, collected August 1969, ex coll. W.J.H. Onverwagt. Image by Joop Trausel and Frans Slieker
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Spain, Canarias, Fuerteventura, Oliva Beach. Image by Joop Trausel and Frans Slieker
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Spain, Canarias, Fuerteventura, Oliva Beach, beached, collected December 1997, ex coll. J. Trausel. Image by Joop Trausel and Frans Slieker