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


Water Body: Potomac River          Site Location ID: DK3     Sample Label: DK3/65
Sample ID: DK10003                 Client Sample ID:
Date Sample Collected: 08/28/1965  Count Finished:
Subsample ID: DT1                  Slide Replicate ID: a     Count Replicate ID: 1
Counted By: Noma Ann Roberts       Sample Type: HC



   Naded Taxon Name                                                            Percent    Count Notes   
    2015 Achnanthes lanceolata (Brébisson ex Kützing) Grunow                     14.51     72.0
    2030 Achnanthes minutissima Kützing                                           9.87     49.0
    2034 Achnanthes pinnata Hustedt                                               0.20      1.0
    2132 Achnanthes subhudsonis var. kraeuselii (Cholnoky) Cholnoky               0.20      1.0
    7001 Amphora ovalis (Kützing) Kützing                                         0.20      1.0
    7006 Amphora veneta Kützing                                                   0.80      4.0
   12001 Caloneis bacillum (Grunow) Cleve                                         0.40      2.0
   16011 Cocconeis pediculus Ehrenberg                                            0.20      1.0
   16005 Cocconeis placentula var. euglypta (Ehrenberg) Grunow                    2.01     10.0
   16003 Cocconeis placentula var. lineata (Ehrenberg) Van Heurck                 0.60      3.0
   17004 Coscinodiscus pygmaeus var. micropunctatus Brun et Peragallo             0.20      1.0
   20024 Cyclotella aliquantula Hohn et Hellerman                                 3.62     18.0
   20001 Cyclotella atomus Hustedt                                                1.00      5.0
   20026 Cyclotella florida Voight                                                5.44     27.0
   20004 Cyclotella glomerata Bachmann                                            0.20      1.0
   20007 Cyclotella meneghiniana Kützing                                          5.04     25.0
   20012 Cyclotella pseudostelligera Hustedt                                      3.62     18.0
   20010 Cyclotella stelligera (Cleve et Grunow) Van Heurck                       0.40      2.0
   23001 Cymbella amphicephala Nägeli in Kützing                                  0.40      2.0
   23015 Cymbella minuta var. silesiaca (Bleisch ex Rabenhorst) Reimer            0.60      3.0
   23051 Cymbella sinuata Gregory                                                 0.20      1.0
   27004 Diatoma vulgare Bory                                                     0.20      1.0
   34012 Fragilaria construens (Ehrenberg) Grunow                                 0.20      1.0
   34022 Fragilaria leptostauron (Ehrenberg) Hustedt                              0.20      1.0
   34030 Fragilaria vaucheriae (Kützing) Petersen                                 0.40      2.0
   37006 Gomphonema dichotomum Kützing                                            0.40      2.0
   37010 Gomphonema parvulum (Kützing) Kützing                                    1.20      6.0
   38004 Gyrosigma spencerii (Smith) Griffith et Henfrey                          2.62     13.0
   46003 Navicula arvensis Hustedt                                                0.20      1.0
   46324 Navicula cincta (Ehrenberg) Ralfs in Pritchard                           4.03     20.0
   46325 Navicula cincta var. rostrata Reimer                                     0.40      2.0
   46013 Navicula contenta var. biceps (Grunow) Van Heurck                        0.20      1.0
   46014 Navicula cryptocephala Kützing                                           1.00      5.0
   46170 Navicula cryptocephala var. veneta (Kützing) Rabenhorst                  0.40      2.0
   46023 Navicula gregaria Donkin                                                 0.20      1.0
   46034 Navicula lanceolata (Agardh) Kützing                                     0.40      2.0
   46370 Navicula luzonensis Hustedt                                              0.20      1.0
   46039 Navicula minima Grunow in Van Heurck                                     2.41     12.0
   46044 Navicula notha Wallace                                                   0.20      1.0
   46379 Navicula paratunkae Petersen                                             0.20      1.0
   46051 Navicula pupula Kützing                                                  0.20      1.0
   46053 Navicula pupula var. mutata (Krasske) Hustedt                            0.20      1.0
   46054 Navicula pupula var. rectangularis (Gregory) Grunow                      0.20      1.0
   46154 Navicula rhynchocephala Kützing                                          0.80      4.0
   46388 Navicula rhynchocephala var. germainii (Wallace) Patrick                 0.60      3.0
   46155 Navicula salinarum var. intermedia (Grunow) Cleve                        0.20      1.0
   46394 Navicula schroeteri var. escambia Patrick                                0.80      4.0
   46395 Navicula secreta var. apiculata Patrick                                  0.40      2.0
   46070 Navicula seminulum Grunow                                                1.00      5.0
   46990 Navicula sp. 1 ?                                                         0.20      1.0
   46406 Navicula tripunctata var. schizonemoides (Van Heurck) Patrick            2.82     14.0
   48004 Nitzschia amphibia Grunow                                                2.21     11.0
   48006 Nitzschia capitellata Hustedt in A. Schmidt                              0.20      1.0
   48008 Nitzschia dissipata (Kützing) Grunow                                     0.20      1.0
   48014 Nitzschia frustulum var. perminuta Grunow                                0.20      1.0
   48148 Nitzschia gracilis var. minor Skabitschevsky                             0.20      1.0
   48153 Nitzschia intermedia Hantzsch ex Cleve et Grunow                         1.00      5.0
   48022 Nitzschia kuetzingiana Hilse                                             6.04     30.0
   48023 Nitzschia linearis (Agardh) Smith                                        0.40      2.0
   48025 Nitzschia palea (Kützing) Smith                                          9.27     46.0
   48222 Nitzschia tarda Hustedt                                                  0.20      1.0
   48183 Nitzschia tryblionella var. victoriae (Grunow) Grunow                    0.20      1.0
   57001 Rhoicosphenia curvata (Kützing) Grunow ex Rabenhorst                     0.20      1.0
   58001 Rhopalodia gibba (Ehrenberg) Müller                                      2.62     13.0
   64011 Stephanodiscus astraea var. minutula (Kützing) Grunow in Van Heurck      0.20      1.0
   64012 Stephanodiscus invisitatus Hohn et Hellerman                             2.82     14.0
   70002 Thalassiosira fluviatilis Hustedt                                        1.61      8.0


Report Date: 7/6/2022          Total Number of Taxa: 67          Total Number Counted: 496

Count Notes:

  ?
  Comments: Navicula peregrina type GV: design. as 'Navicula sp. 1?'. Nitzschia linearis: 33.8, 115.5. Nitzschia dissipata: GV 43.3, 114.1. Rhoicosphenia curvata v. minor: design. as 'Rhoicosphenia sp. 1?.
 
Taxa Notes:
 
None.

 


 
Counts version 3.3 - last revision 2/16/2021
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