Andrea B. Posted July 1, 2013 Share Posted July 1, 2013 Blum, A.G. (2013) Another example of Porophyllum gracile Bentham (Asteraceae) Odora. Flowers photographed in ultraviolet and visible light.Joshua Tree National Park, California, USA04 March 2012Wildflower Synonyms: Comment: Reference: Equipment [Nikon D300-broadband + Carl Zeiss 60mm f/4.0 UV-Planar] Visible Light [f/8 for 1/250" @ ISO 200 with onboard Flash and Baader UVIR-Block Filter] Ultraviolet Light [f/8 for 1/250" @ ISO 200 with SB-14 UV-modified Flash and Baader UV-Pass Filter] Link to comment
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