Water Body: ROCK CREEK             Site Location ID: GS013092747  Sample Label: 
Sample ID: GSN94044                Client Sample ID: USNK0797ARE0001
Date Sample Collected: 07/21/1997  Count Finished: 09/10/2002
Subsample ID: DT1                  Slide Replicate ID: a     Count Replicate ID: 1
Counted By: Eduardo Morales        Sample Type: RTH


   Naded Taxon Name                                                            Percent    Count  Notes   
    2053 Achnanthes biasolettiana (Kützing) Grunow                                0.65      4.0
    1010 Achnanthidium minutissimum (Kützing) Czarnecki                           2.47     15.0
    7010 Amphora inariensis Krammer                                               1.31      8.0
    7043 Amphora pediculus (Kützing) Grunow in A. Schmidt                         9.88     60.0
    7006 Amphora veneta Kützing                                                   0.16      1.0
   16011 Cocconeis pediculus Ehrenberg                                            0.65      4.0
   16003 Cocconeis placentula var. lineata (Ehrenberg) Van Heurck                 0.82      5.0
   20007 Cyclotella meneghiniana Kützing                                          0.16      1.0
   23073 Cymbella affinis Kützing                                                 2.47     15.0
   27013 Diatoma vulgaris Bory                                                    0.65      4.0
   34030 Fragilaria vaucheriae (Kützing) Petersen                                 2.30     14.0
   37003 Gomphonema angustatum (Kützing) Rabenhorst                               0.32      2.0
   37197 Gomphonema kobayasii Kociolek et Kingston                               15.65     95.0
   40002 Hantzschia amphioxys (Ehrenberg) Grunow in Cleve and Grunow              0.82      5.0
  130001 Luticola goeppertiana (Bleisch in Rabenhorst) Mann in Round, Crawfo+     3.29     20.0
   45002 Meridion circulare var. constrictum (Ralfs) Van Heurck                   0.16      1.0
   46527 Navicula cryptotenella Lange-Bertalot in Krammer and Lange-Bertalot      0.32      2.0
   46859 Navicula lanceolata (Agardh) Kützing                                     0.32      2.0
   46649 Navicula recens (Lange-Bertalot) Lange-Bertalot in Krammer and Lang+     0.65      4.0
   46104 Navicula tripunctata (Müller) Bory                                       4.61     28.0
   48004 Nitzschia amphibia Grunow                                                9.22     56.0
   48011 Nitzschia fonticola (Grunow) Grunow in Van Heurck                        4.44     27.0
   48122 Nitzschia inconspicua Grunow                                            24.05    146.0
   52013 Pinnularia borealis Ehrenberg                                            0.32      2.0
   55002 Reimeria sinuata (Gregory) Kociolek et Stoermer                          1.31      8.0
   57001 Rhoicosphenia curvata (Kützing) Grunow ex Rabenhorst                    11.69     71.0
   66024 Synedra ulna (Nitzsch) Ehrenberg                                         0.65      4.0
   66058 Synedra ulna var. contracta Østrup                                       0.49      3.0

Report Date: 12/1/2023          Total Number of Taxa: 28          Total Number Counted: 607