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

46 results for Didymosphenia geminata (didymo)
Download Data

Page:12
Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1725331 CASacramento0.77 km below Nimbus Dam in a gravel-bottomed main channel2012 18020111 Lower American 
1725333 CASacramento3.31 km below Nimbus Dam in a gravel-bottomed side channel connected at both ends to the main channel2012 18020111 Lower American 
1810948 NJMercerDelaware River2012 02040105 Middle Delaware-Musconetcong 
1810931 NJSussexDelaware River2012 02040104 Middle Delaware-Mongaup-Brodhead 
1810932 NJSussexDelaware River2012 02040104 Middle Delaware-Mongaup-Brodhead 
1810940 NJWarrenDelaware River2012 02040105 Middle Delaware-Musconetcong 
1810933 NYSullivanDelaware River2012 02040101 Upper Delaware 
1810877 PAFayette[No locality description provided]2012 05020006 Youghiogheny 
1810878 PAFayette[No locality description provided]2012 05020006 Youghiogheny 
1810879 PAFayette[No locality description provided]2012 05020006 Youghiogheny 
1810880 PAFayette[No locality description provided]2012 05020006 Youghiogheny 
1810881 PAFayette[No locality description provided]2012 05020006 Youghiogheny 
1810882 PAFayette[No locality description provided]2012 05020006 Youghiogheny 
1810883 PAFayette[No locality description provided]2012 05020006 Youghiogheny 
1810885 PAFayette[No locality description provided]2012 05020006 Youghiogheny 
1810886 PAFayette[No locality description provided]2012 05020006 Youghiogheny 
1333305 PAFayetteConfluence Bike Bridge #1, Confluence Bike Bridge #2, and Confluence Bike Bridge #3 - River Mile is 74.6682012 05020006 Youghioghenyestablished
1333301 PAFayetteJohnson Run - River Mile 55.552012 05020006 Youghioghenyestablished
1333270 PAFayetteLoop Take-out Area at Ohiopyle State Park - River Mile 61.8652012 05020006 Youghioghenyestablished
1333291 PAFayetteMiddle of Youghiogheny Trail - River Mile: 50.542012 05020006 Youghioghenyestablished
1333276 PAFayetteRamCat Stairs #12012 05020006 Youghioghenyestablished
1333279 PAFayetteRamCat Stairs #2 - River Mile 71.8362012 05020006 Youghioghenyestablished
1333381 PAFayetteRivers End - River Mile 58.12012 05020006 Youghioghenyestablished
1333327 PAFayetteSteep Cliff Rapid area upstream Camp Carmel near Morgan Run - River Mile 53.092012 05020006 Youghioghenyestablished
1333238 PAFayetteYough @ Ram Cat Boat Launch - River Mile 72.802012 05020006 Youghioghenyestablished
Page:12

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.

Disclaimer:

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 [2/22/2026].

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For general information and questions about the database, contact Wesley Daniel. For problems and technical issues, contact Matthew Neilson.