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

19 results for Didymosphenia geminata (didymo)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
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
1736737 PAFayetteMeadow Run at Ohiopyle State Park2024 05020006 Youghiogheny 
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
1333320 PALycomingRoute 44 North from Waterville, PA. Right on Route 414. Then about 2 miles on Route 414 to Browns Run access parking lot on left.2013 02050205 Pineestablished
1333430 PAPotterPine Creek2013 02050205 Pineestablished
1333282 PAPotterPine Creek, W of Galeton2013 02050205 Pineestablished
1333371 PAPotterWest Branch Pine Creek2013 02050205 Pineestablished
1333400 PAWayneAt State Gamelands parking area near confluence with West Branch Dyberry Creek.2012 02040103 Lackawaxenestablished
1333428 PAWayneBehind old Methodist Camp.2007 02040101 Upper Delawareestablished
1333393 PAWayneDelaware River2012 02040101 Upper Delawareestablished
1333258 PAWayneDownstream of Buckingham boat launch.2007 02040101 Upper Delawareestablished
1333260 PAWayneUpper Delaware Scenic and Recreational River, S of Dillontown Creek2009 02040101 Upper Delawareestablished

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. [2025]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [2/2/2025].

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