
Discovery of Invasive Aquatic Alga Didymo in Youghiogheny (PA).
American Whitewater received the following press release about the discovery of the invasive aquatic alga known as didymo, or “rock snot,” in the Youghiogheny (PA). Please read and help educate the waterwater community on how to keep this from spreading to other local rivers. News for Immediate Release June 11, 2012 State Agencies Issue Alert to Contain Invasive Species in Youghiogheny Harrisburg – With the recent confirmation of the invasive aquatic alga known as didymo, or “rock snot,” in the Youghiogheny























