A stinging nettle trichome on a leaf vein, magnified 100x, taken by Charles Krebs from Charles Krebs Photography in Issaquah, Wash., was the 17th place winner in the 2012 Nikon International Small World Photomicrography Competition.
October 25, 2012 12:37 PM PDT
Photo by: Charles Krebs
| Caption by: James Martin
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