Didymosphenia geminata
Didymosphenia geminata
(didymo)
Algae
Cryptogenic
Collection Info
Point Map
Species Profile
Animated Map
Impacts

11 results for Didymosphenia geminata (didymo)
Download Data

Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1652619 AKAnchorageCAMPBELL C AT C ST NR ANCHORAGE AK2000 19020401 Anchorageunknown
1652620 AKAnchorageSHIP C AT GLENN HWY NR ANCHORAGE AK2000 19020401 Anchorageunknown
1652612 AKKenai PeninsulaKENAI R BL SKILAK LK OUTLET NR STERLING AK2000 19020302 Upper Kenai Peninsulaunknown
1652597 IDShoshoneNF COEUR D ALENE RIVER AT ENAVILLE ID2000 17010301 Upper Coeur d'Aleneunknown
1652602 IDShoshoneSt Joe River at Red Ives Ranger Station, ID2000 17010304 St. Joeunknown
1652628 MTMineralSt Regis River near Haugan, MT2000 17010204 Middle Clark Forkunknown
1652592 MTMineralSt. Regis River near St. Regis, MT2000 17010204 Middle Clark Forkunknown
1652625 UTSummitWeber River below Smith-Morehouse, UT2000 16020101 Upper Weberunknown
1652626 UTSummitWeber River below Smith-Morehouse, UT2000 16020101 Upper Weberunknown
1652627 UTSummitWeber River below Smith-Morehouse, UT2000 16020101 Upper Weberunknown
1652573 UTSummitWEBER RIVER NEAR OAKLEY, UT2000 16020101 Upper Weberunknown

Data Disclaimer: Number of records does not imply species abundance. This summary represent collection records only and may not reflect the actual distribution of established populations. These data are preliminary or provisional and are subject to revision. They are being provided to meet the need for timely best science. The data have not received final approval by the U.S. Geological Survey (USGS) and are provided on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from the authorized or unauthorized use of the data.

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The data represented on this site vary in accuracy, scale, completeness, extent of coverage and origin. It is the user's responsibility to use these data consistent with their intended purpose and within stated limitations. We highly recommend reviewing metadata files prior to interpreting these data.

Citation information: U.S. Geological Survey. [2026]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [2/21/2026].

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