Water Body: Potomac River          Site Location ID: NRSA-FW08MD015  Sample Label: 
Sample ID: NRSA0941                Client Sample ID: 546554.1
Date Sample Collected: 07/22/2009  Count Finished: 11/12/2009
Subsample ID: DT1                  Slide Replicate ID: a     Count Replicate ID: 1
Counted By: Sara Mays              Sample Type: 


   Naded Taxon Name                                                            Percent    Count  Notes   
    2132 Achnanthes subhudsonis var. kraeuselii (Cholnoky) Cholnoky               0.16      1.0
    1038 Achnanthidium deflexum (Reimer in Patrick and Reimer) Kingston           0.32      2.0
    1010 Achnanthidium minutissimum (Kützing) Czarnecki                          40.94    251.0
    1023 Achnanthidium pyrenaicum (Hustedt) Kobayashi                             2.44     15.0
    1036 Achnanthidium rivulare Potapova et Ponader                               5.54     34.0
    7010 Amphora inariensis Krammer                                               0.65      4.0
    7043 Amphora pediculus (Kützing) Grunow in A. Schmidt                         0.65      4.0
   16004 Cocconeis placentula Ehrenberg                                           2.12     13.0
   16005 Cocconeis placentula var. euglypta (Ehrenberg) Grunow                    9.95     61.0
   20007 Cyclotella meneghiniana Kützing                                          0.16      1.0
   27008 Diatoma moniliformis Kützing                                             0.32      2.0
   27013 Diatoma vulgaris Bory                                                    0.16      1.0
  110004 Encyonema minutum (Hilse in Rabenhorst) Mann in Round, Crawford and+     0.16      1.0
  210003 Geissleria decussis (Østrup) Lange-Bertalot et Metzeltin                 0.16      1.0
   37197 Gomphonema kobayasii Kociolek et Kingston                                2.44     15.0
   37010 Gomphonema parvulum (Kützing) Kützing                                    0.32      2.0
   37195 Gomphonema pygmaeum Kociolek et Stoermer                                 0.81      5.0
  213001 Hippodonta capitata (Ehrenberg) Lange-Bertalot, Metzeltin et Witkow+     0.16      1.0
   46789 Navicula aff. subminuscula ANS NAWQA EAM Manguin                         8.80     54.0
   46893 Navicula antonii Lange-Bertalot in U. Rumrich, Lange-Bertalot and M+     0.97      6.0
   46661 Navicula capitatoradiata Germain                                         1.46      9.0
   46527 Navicula cryptotenella Lange-Bertalot in Krammer and Lange-Bertalot      0.16      1.0
   46023 Navicula gregaria Donkin                                                 0.81      5.0
   46859 Navicula lanceolata (Agardh) Kützing                                     0.32      2.0
   46808 Navicula medioconvexa Hustedt                                            0.16      1.0
   46039 Navicula minima Grunow in Van Heurck                                     3.75     23.0
   46649 Navicula recens (Lange-Bertalot) Lange-Bertalot in Krammer and Lang+     1.14      7.0
   46666 Navicula reichardtiana Lange-Bertalot in Lange-Bertalot and Krammer      0.32      2.0
   46896 Navicula rostellata Kützing                                              2.77     17.0
   46306 Navicula schroeteri Meister                                              0.65      4.0
   46562 Navicula subminuscula Manguin                                            0.48      3.0
   46401 Navicula tenelloides Hustedt                                             0.16      1.0
   46104 Navicula tripunctata (Müller) Bory                                       0.65      4.0
   48004 Nitzschia amphibia Grunow                                                0.32      2.0
   48008 Nitzschia dissipata (Kützing) Grunow                                     0.16      1.0
   48011 Nitzschia fonticola (Grunow) Grunow in Van Heurck                        1.95     12.0
   48013 Nitzschia frustulum (Kützing) Grunow in Cleve and Grunow                 0.65      4.0
   48122 Nitzschia inconspicua Grunow                                             0.48      3.0
   48025 Nitzschia palea (Kützing) Smith                                          1.46      9.0
  155017 Planothidium frequentissimum (Lange-Bertalot in Krammer and Lange-B+     0.16      1.0
   55002 Reimeria sinuata (Gregory) Kociolek et Stoermer                          2.93     18.0
   55004 Reimeria uniseriata Sala, Guerrero et Ferrario                           0.65      4.0
   57002 Rhoicosphenia abbreviata (Agardh) Lange-Bertalot                         0.97      6.0

Report Date: 3/22/2023          Total Number of Taxa: 43          Total Number Counted: 613