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

23 results for Didymosphenia geminata (didymo)
Download Data

Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1652631 AKMatanuska-SusitnaCOSTELLO C NR COLORADO AK1998 19020502 Chulitna Riverunknown
1652621 AKMatanuska-SusitnaDESHKA R NR WILLOW AK2001 19020505 Lower Susitna Riverunknown
1652623 COBoulderDRY CREEK ABV BASELINE RD NR BOULDER CO2003 10190005 St. Vrainunknown
1652624 COBoulderDRY CREEK ABV BASELINE RD NR BOULDER CO2003 10190005 St. Vrainunknown
1652608 IDAdaBOISE RIVER AT ECKERT RD NR BOISE ID2019 17050114 Lower Boiseunknown
1652609 IDAdaBOISE RIVER AT GLENWOOD BRIDGE NR BOISE ID2019 17050114 Lower Boiseunknown
1652607 IDKootenaiSpokane River near Post Falls, ID1999 17010305 Upper Spokaneunknown
1659598 MABerkshireEgremont2013 01100005 Housatonicunknown
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
1652565 WVWebsterWILLIAMS RIVER AT DYER, WV1998 05050005 Gauleyunknown

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 [1/2/2025].

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