Didymo: A Nuisance Native Species

Didymo: A Nuisance Native Species

Meet Didymosphenia geminata (didymo). Didymo has been spotted growing in the Gallatin River and its tributaries. Didymo, or rock snot, is a single-celled alga that is native to Montana but has recently made headlines for causing river-choking mats. Blooms have been...