nfoto Posted December 22, 2012 Share Posted December 22, 2012 Rørslett, B. 2012. Coreopsis californica (Nutt.)H.Sharsm. (Asteraceae). California Tickseed. Flowers photographed in visible and ultraviolet light. http://www.ultraviol...ckseed/ C. californica is a species endemic to desert regions in the SW USA. Specimens photographed in Joshua Tree National Park, California, USA 4 Mar 2012. Habitus of plant in desert setting. Nikon D3X, Voigtländer 125 mm f/2.5 APO-Lanthar lens. Focus stacking. Flower capitulum. Viible light: Nikon D3X, Voigtländer 125 mm f/2.5 APO-Lanthar lens. Ultraviolet light: Nikon D40X, UV-Nikkor 105 mm f/4.5 lens, Baader U 2" (Venus) filter, SB-140 flash. [Last updated 26 Dec 2012] Link to comment
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