didymo
n.β Β«Didymosphenia geminata, or didymo, was first identified in Southlandβs Mararoa and lower Waiau Rivers in October last yearβthe first time it had been found in the Southern Hemisphere.Β» βββRock snotβ found in Buller” by Simon Bloomberg Stuff.co.nz (New Zealand) Sept. 28, 2005. (source: Double-Tongued Dictionary)