Scientific Name: Helianthus pauciflorus Nutt.

Caption: Helianthus rigidus PRAIRIE SUNFLOWER

Photographer: Frank Mayfield

Image Source: http://www.flickr.com/photos/gmayfield10/3333288099/

Notes: image of Helianthus rigidus PRAIRIE SUNFLOWER at the James Woodworth Prairie Preserve - a single flower in full bloom

Copyright: http://creativecommons.org/licenses/by-sa/2.0/

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