didymo
n.— «Didymosphenia geminata, or didymo, was first identified in Southland’s Mararoa and lower Waiau Rivers in October last year—the first time it had been found in the Southern Hemisphere.» —“‘Rock snot’ found in Buller” by Simon Bloomberg Stuff.co.nz (New Zealand) Sept. 28, 2005. (source: Double-Tongued Dictionary)