North American Diatom Ecological Database - NADED
Phycology Section, Patrick Center for Environmental Research
Diatom Count Report
 


Water Body: Potomac River          Site Location ID: DK2     Sample Label: DK2LB/70
Sample ID: DK10010                 Client Sample ID:
Date Sample Collected: 09/15/1970  Count Finished:
Subsample ID: DT1                  Slide Replicate ID: a     Count Replicate ID: 1
Counted By: Christine Smith        Sample Type: HC



   Naded Taxon Name                                                            Percent    Count Notes   
    2004 Achnanthes clevei Grunow                                                 0.11      2.0
    2015 Achnanthes lanceolata (Brébisson ex Kützing) Grunow                      0.05      1.0
    2016 Achnanthes lanceolata var. dubia Grunow                                  0.35      6.0
    2030 Achnanthes minutissima Kützing                                           0.29      5.0
    7003 Amphora ovalis var. pediculus (Kützing) Van Heurck ex DeTony             0.05      1.0
   16001 Cocconeis diminuta Pantocsek                                             0.05      1.0
   16003 Cocconeis placentula var. lineata (Ehrenberg) Van Heurck                 0.87     15.0
   20001 Cyclotella atomus Hustedt                                               43.87    752.0
   20007 Cyclotella meneghiniana Kützing                                          4.78     82.0
   20012 Cyclotella pseudostelligera Hustedt                                     18.14    311.0
   20010 Cyclotella stelligera (Cleve et Grunow) Van Heurck                       0.17      3.0
   23073 Cymbella affinis Kützing                                                 0.17      3.0
   23012 Cymbella minuta Hilse ex Rabenhorst                                      0.05      1.0
   23051 Cymbella sinuata Gregory                                                 0.05      1.0
   23068 Cymbella tumida (Brébisson ex Kützing) Van Heurck                        0.11      2.0
   37010 Gomphonema parvulum (Kützing) Kützing                                    0.29      5.0
   38010 Gyrosigma fasciola (Ehrenberg) Griffith et Henfrey                       0.11      2.0
   38004 Gyrosigma spencerii (Smith) Griffith et Henfrey                          0.11      2.0
   44073 Melosira varians Agardh                                                  0.52      9.0
   45001 Meridion circulare (Greville) Agardh                                     0.05      1.0
   46007 Navicula biconica Patrick                                                0.35      6.0
   46317 Navicula canalis Patrick                                                 0.05      1.0
   46324 Navicula cincta (Ehrenberg) Ralfs in Pritchard                           0.11      2.0
   46014 Navicula cryptocephala Kützing                                           0.40      7.0
   46170 Navicula cryptocephala var. veneta (Kützing) Rabenhorst                  0.05      1.0
   46370 Navicula luzonensis Hustedt                                              0.05      1.0
   46039 Navicula minima Grunow in Van Heurck                                     1.22     21.0
   46042 Navicula mutica Kützing                                                  0.05      1.0
   46051 Navicula pupula Kützing                                                  0.17      3.0
   46388 Navicula rhynchocephala var. germainii (Wallace) Patrick                 0.29      5.0
   46395 Navicula secreta var. apiculata Patrick                                  0.05      1.0
   46400 Navicula symmetrica Patrick                                              0.40      7.0
   46406 Navicula tripunctata var. schizonemoides (Van Heurck) Patrick            0.40      7.0
   46408 Navicula viridula (Kützing) Kützing                                      0.05      1.0
   46089 Navicula viridula var. linearis Hustedt in A. Schmidt                    0.05      1.0
   48004 Nitzschia amphibia Grunow                                                0.17      3.0
   48098 Nitzschia bacata Hustedt                                                 0.11      2.0
   48006 Nitzschia capitellata Hustedt in A. Schmidt                              3.15     54.0
   48138 Nitzschia closterium (Ehrenberg) Smith                                   0.11      2.0
   48008 Nitzschia dissipata (Kützing) Grunow                                     0.11      2.0
   48011 Nitzschia fonticola (Grunow) Grunow in Van Heurck                        0.64     11.0
   48013 Nitzschia frustulum (Kützing) Grunow in Cleve and Grunow                 0.11      2.0
   48014 Nitzschia frustulum var. perminuta Grunow                                0.40      7.0
   48022 Nitzschia kuetzingiana Hilse                                             0.05      1.0
   48023 Nitzschia linearis (Agardh) Smith                                        0.11      2.0
   48025 Nitzschia palea (Kützing) Smith                                          7.52    129.0
   48183 Nitzschia tryblionella var. victoriae (Grunow) Grunow                    0.23      4.0
   57001 Rhoicosphenia curvata (Kützing) Grunow ex Rabenhorst                     0.23      4.0
   64012 Stephanodiscus invisitatus Hohn et Hellerman                            10.67    183.0
   65017 Surirella ovata Kützing                                                  0.17      3.0
   66057 Synedra rumpens var. meneghiniana Grunow                                 0.29      5.0
   66024 Synedra ulna (Nitzsch) Ehrenberg                                         0.52      9.0
   70002 Thalassiosira fluviatilis Hustedt                                        1.22     21.0


Report Date: 9/19/2021          Total Number of Taxa: 53          Total Number Counted: 1714

Count Notes:
 
None.
 
Taxa Notes:
 
None.

 


 
Counts version 3.3 - last revision 2/16/2021
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