msubees Posted July 3, 2015 Share Posted July 3, 2015 Huang, Z.Y. (2015) Potentilla cf. norvegica L. (Rosaceae) Cinquefoil. Flowers photographed in ultraviolet, visible light and simulated insect vision. http://www.ultraviol...ica-cinquefoil/ Okemos, Michigan, USA 28 June, 2015 Wild flowers in my back yard. Comment: Photographs taken in the order of visible light, ultraviolet, and simulated insect vision. This plant proved to be difficult to identify. I thank Andrea Blum and Bjorn Rorslett for identifying this plant to be most likely P. norvegica, or possibly a P. intermedia. Reference: 1. Haines, A. (2011) Flora Novae Angliae. Potentilla Key, page 797. Yale University Press & New England Wildflower Society, New Haven & Framingham, MA. 2. Ertter, B., Elven, R., Reveal, J.L. & Murray, D.F. (accessed June 2015) Potentilla norvegica and Potentilla intermedia. In: Flora of North America Editorial Committee, eds. 1993+. Flora of North America North of Mexico. 18+ vols. New York and Oxford. Vol. 9. Equipment [sony Nex7 + El Nikkor 80mm f/4.5 old format] 1. Visible Light [f/11 for 1/500" @ISO100, S8612 (2 mm thick), natural light, direct sunlight] http://ww2.beetography.com/var/resizes/UV/DSC01565_v1.jpg 2. Ultraviolet Light [f/11 for 0.5" @ISO100, S8612 (2 mm thick) and ZWB1 (1.5 mm thick), direct sunlight] http://ww2.beetography.com/var/resizes/UV/DSC01566_v1.jpg 3. Simulated Insect Vision [f/11 for 1/6" @ISO100, S8612 (2 mm thick) and UG 5 (1.5 mm thick), direct sunlight] http://ww2.beetography.com/var/resizes/UV/DSC01568_v1.jpg Link to comment
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