On June 4, 2012, I headed out to the Konza Prairie Biological Station to catch a partial eclipse of the setting sun. I took several dozen pictures, most of which came out as smudges of light, but a few turned out well. 
This image shows the eclipse just beginning with P. cobaea in the foreground.
The eclipse near its peak with Echinacea angustifolia and Koeleria macrantha in the foreground.
The eclipse near its peak behind a thin veil of cirrus.
The eclipse sets.
Prairie Botanist 