Dr. Tim Gerber of the University of Wisconsin – La Crosse holds a handful of Eurasian watermilfoil. Photo: Jerry Ziegler/TNC
This entry was posted on Friday, November 15th, 2013 at 3:00 pm and is filed under .
You can follow any responses to this entry through the RSS 2.0 feed.
You can leave a response, or trackback from your own site.