Description: English: Pyrenophora seminiperda on Bromus tectorum seeds. Date: photograph: 2014(retouched 22 February 2017). Source: part of image at https://www.fs.fed.us/research/highlights/highlights_display.php?in_high_id=703. Author: original imageː Dr. Susan E. Meyer USDA Forest Service. : This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: cropping, editing, conversion to jpg. Modifications made by Dennis Pietras, Buffalo, NY, USA. The original can be found here.
