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

5 results for Didymosphenia geminata (didymo)
Download Data

Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1409965 MDGarrettBig Run State Park/Savage River Reservoir2016 02070002 North Branch Potomacestablished
1826420 NYCattaraugus[No locality description provided]2016 04120102 Cattaraugus 
1826421 NYCattaraugus[No locality description provided]2016 04120102 Cattaraugus 
1826422 NYCattaraugus[No locality description provided]2016 04120102 Cattaraugus 
1652561 NYDelawareMILL BROOK NEAR DUNRAVEN NY2016 02040102 East Branch Delawareunknown

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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