Didymosphenia geminata (didymo), also known as "rock snot", an invasive freshwater diatom #alga# discovered in NZ in 2004, New Zealand (NZ), stock photo.
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Didymosphenia geminata (didymo), also known as "rock snot", an invasive freshwater diatom #alga# discovered in NZ in 2004, New Zealand (NZ) Stock Photo