Keywords: macrophotograph usgs biml peppergrass flower weed lepidium plant plants weeds plantae angiosperms eudicots rosids brassicales brassicaceae lepidium virginicum lepidiumvirginicum virginia pepperweed virginiapepperweed mustard family mustardfamily taxonomy:binomial=lepidium virginicum taxonomy:binomial=lepidiumvirginicum seed seeds flowers wildflower wildflowers zerene stacker zerenestacker zerene stacked macro macro photography macrophotography insect droege stackshot usgsbiml organic pattern pattern black background blossom Beltsville, MD, May 2012 Beltsville, MD, May 2012 |