Image: Microscopic view of Equisetum in Japan one 20thmm graduation
Description: The surface of Equisetum hyemale in Japan, use as traditional polishing material like sandpaper. Microscopic view of Equisetum hyemale in Japan 2-1-0-1-2 is one millimeter step, with 1/20th graduation, approx. 4.5 mm outer diameter.
Title: Microscopic view of Equisetum in Japan one 20thmm graduation
Credit: Self shot by mobile phone
Usage Terms: Creative Commons Attribution-Share Alike 3.0
License: CC BY-SA 3.0
License Link: http://creativecommons.org/licenses/by-sa/3.0
Attribution Required?: Yes