[UV, VIS] Rudbeckia fulgida opening up

Another Rudbeckia fulgida flower is in the process of opening, so enjoy shots in visible and ultraviolet light.

[click on image to see a larger one]

Stay tuned, more will follow on that fascinating subject...

More info on this very interesting field may be found on my site http://www.pbase.com/kds315/uv_photos