Water Body: Rivanna River          Site Location ID: NRSA-FW08VA047  Sample Label: 
Sample ID: NRSA1145                Client Sample ID: 541794.1
Date Sample Collected: 07/21/2009  Count Finished: 11/25/2009
Subsample ID: DT1                  Slide Replicate ID: a     Count Replicate ID: 1
Counted By: Sara Mays              Sample Type: 


   Naded Taxon Name                                                            Percent    Count  Notes   
    1010 Achnanthidium minutissimum (Kützing) Czarnecki                           4.18     26.0
    1036 Achnanthidium rivulare Potapova et Ponader                               9.82     61.0
  204003 Adlafia minuscula var. muralis (Grunow in Van Heurck) Lange-Bertalo+     0.48      3.0
    7010 Amphora inariensis Krammer                                               0.48      3.0
    7043 Amphora pediculus (Kützing) Grunow in A. Schmidt                         0.32      2.0
   76001 Bacillaria paradoxa Gmelin in Linneaeus                                  0.16      1.0
   16004 Cocconeis placentula Ehrenberg                                           8.53     53.0
   16005 Cocconeis placentula var. euglypta (Ehrenberg) Grunow                   10.62     66.0
   23814 Cymbella subturgidula Krammer                                            0.16      1.0
 2506002 Discostella pseudostelligera (Hustedt) Houk et Klee                      0.16      1.0
 2506003 Discostella stelligera (Cleve et Grunow in Cleve) Houk et Klee           0.16      1.0
  110004 Encyonema minutum (Hilse in Rabenhorst) Mann in Round, Crawford and+     0.80      5.0
   33185 Eunotia bilunaris (Ehrenberg) Souza in Souza and Moreira-Filho           0.16      1.0
   34098 Fragilaria capucina var. gracilis (Østrup) Hustedt                       0.16      1.0
   34030 Fragilaria vaucheriae (Kützing) Petersen                                 0.48      3.0
   35011 Frustulia vulgaris (Thwaites) De Toni                                    1.61     10.0
  210003 Geissleria decussis (Østrup) Lange-Bertalot et Metzeltin                 2.89     18.0
   37197 Gomphonema kobayasii Kociolek et Kingston                                0.32      2.0
   37278 Gomphonema lagenula Kützing                                              0.16      1.0
   37010 Gomphonema parvulum (Kützing) Kützing                                    0.16      1.0
   38001 Gyrosigma acuminatum (Kützing) Rabenhorst                                2.25     14.0
  213001 Hippodonta capitata (Ehrenberg) Lange-Bertalot, Metzeltin et Witkow+     0.16      1.0
   44073 Melosira varians Agardh                                                  2.25     14.0
   46893 Navicula antonii Lange-Bertalot in U. Rumrich, Lange-Bertalot and M+     0.48      3.0
   46661 Navicula capitatoradiata Germain                                         0.32      2.0
   46014 Navicula cryptocephala Kützing                                           0.32      2.0
   46527 Navicula cryptotenella Lange-Bertalot in Krammer and Lange-Bertalot      3.54     22.0
   46017 Navicula difficillima Hustedt                                            0.48      3.0
   46648 Navicula erifuga Lange-Bertalot in Krammer and Lange-Bertalot            1.44      9.0
   46023 Navicula gregaria Donkin                                                 1.28      8.0
   46369 Navicula lateropunctata Wallace                                          0.16      1.0
   46039 Navicula minima Grunow in Van Heurck                                    10.46     65.0
   46538 Navicula perminuta Grunow in Van Heurck                                  0.16      1.0
   46896 Navicula rostellata Kützing                                              3.70     23.0
   46306 Navicula schroeteri Meister                                              1.61     10.0
   46562 Navicula subminuscula Manguin                                            0.64      4.0
   48004 Nitzschia amphibia Grunow                                                0.16      1.0
   48137 Nitzschia clausii Hantzsch                                               1.28      8.0
   48008 Nitzschia dissipata (Kützing) Grunow                                     2.73     17.0
   48011 Nitzschia fonticola (Grunow) Grunow in Van Heurck                        2.25     14.0
   48013 Nitzschia frustulum (Kützing) Grunow in Cleve and Grunow                 0.32      2.0
   48015 Nitzschia gracilis Hantzsch in Rabenhorst                                0.32      2.0
   48122 Nitzschia inconspicua Grunow                                             0.96      6.0
   48023 Nitzschia linearis (Agardh) Smith                                        0.48      3.0
   48024 Nitzschia microcephala Grunow                                            0.16      1.0
   48025 Nitzschia palea (Kützing) Smith                                          2.89     18.0
   48399 Nitzschia pseudofonticola Hustedt                                        3.70     23.0
   48225 Nitzschia sociabilis Hustedt                                             0.64      4.0
   52015 Pinnularia braunii (Grunow in Van Heurck) Cleve                          1.12      7.0
  155017 Planothidium frequentissimum (Lange-Bertalot in Krammer and Lange-B+     3.22     20.0
 2508001 Platessa conspicua (Mayer) Lange-Bertalot in Krammer and Lange-Bert+     0.16      1.0
   55002 Reimeria sinuata (Gregory) Kociolek et Stoermer                          1.44      9.0
   57002 Rhoicosphenia abbreviata (Agardh) Lange-Bertalot                         0.32      2.0
  172006 Staurosira construens var. venter (Ehrenberg) Hamilton in Hamilton,+     3.86     24.0
   65002 Surirella angusta Kützing                                                0.32      2.0
   65048 Surirella minuta Brébisson                                               0.32      2.0
   65019 Surirella robusta Ehrenberg                                              0.16      1.0
   66024 Synedra ulna (Nitzsch) Ehrenberg                                         0.64      4.0
  185038 Tryblionella coarctata (Grunow) Mann in Round, Crawford and Mann         0.64      4.0
  185026 Tryblionella levidensis Smith                                            0.32      2.0
  185025 Tryblionella littoralis (Grunow in Cleve and Grunow) Mann in Round,+     0.32      2.0

Report Date: 3/29/2023          Total Number of Taxa: 61          Total Number Counted: 621