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: DK3/70
Sample ID: DK10006                 Client Sample ID:
Date Sample Collected: 09/18/1970  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                                                 0.21      4.0
     401 Achnanthes exigua var. heterovalva Krasske                               0.32      6.0
    2015 Achnanthes lanceolata (Brébisson ex Kützing) Grunow                      0.10      2.0
    2016 Achnanthes lanceolata var. dubia Grunow                                  0.59     11.0
    2030 Achnanthes minutissima Kützing                                           0.37      7.0
    7003 Amphora ovalis var. pediculus (Kützing) Van Heurck ex DeTony             0.48      9.0
   16011 Cocconeis pediculus Ehrenberg                                            0.05      1.0
   16003 Cocconeis placentula var. lineata (Ehrenberg) Van Heurck                 0.91     17.0
   20001 Cyclotella atomus Hustedt                                               36.06    670.0
   20007 Cyclotella meneghiniana Kützing                                         18.56    345.0
   20012 Cyclotella pseudostelligera Hustedt                                     11.67    217.0
   20010 Cyclotella stelligera (Cleve et Grunow) Van Heurck                       0.10      2.0
   23012 Cymbella minuta Hilse ex Rabenhorst                                      0.05      1.0
   23051 Cymbella sinuata Gregory                                                 0.10      2.0
   27004 Diatoma vulgare Bory                                                     0.05      1.0
   34012 Fragilaria construens (Ehrenberg) Grunow                                 0.05      1.0
   37010 Gomphonema parvulum (Kützing) Kützing                                    0.26      5.0
   38004 Gyrosigma spencerii (Smith) Griffith et Henfrey                          0.10      2.0
   44073 Melosira varians Agardh                                                  0.05      1.0
   46324 Navicula cincta (Ehrenberg) Ralfs in Pritchard                           0.75     14.0
   46014 Navicula cryptocephala Kützing                                           0.75     14.0
   46170 Navicula cryptocephala var. veneta (Kützing) Rabenhorst                  0.10      2.0
   46370 Navicula luzonensis Hustedt                                              0.05      1.0
   46039 Navicula minima Grunow in Van Heurck                                     0.53     10.0
   46388 Navicula rhynchocephala var. germainii (Wallace) Patrick                 0.53     10.0
   46400 Navicula symmetrica Patrick                                              0.69     13.0
   46406 Navicula tripunctata var. schizonemoides (Van Heurck) Patrick            0.80     15.0
   46408 Navicula viridula (Kützing) Kützing                                      0.05      1.0
   46089 Navicula viridula var. linearis Hustedt in A. Schmidt                    0.16      3.0
   48004 Nitzschia amphibia Grunow                                                0.16      3.0
   48006 Nitzschia capitellata Hustedt in A. Schmidt                              0.86     16.0
   48008 Nitzschia dissipata (Kützing) Grunow                                     0.16      3.0
   48011 Nitzschia fonticola (Grunow) Grunow in Van Heurck                        0.48      9.0
   48013 Nitzschia frustulum (Kützing) Grunow in Cleve and Grunow                 0.05      1.0
   48022 Nitzschia kuetzingiana Hilse                                             0.32      6.0
   48023 Nitzschia linearis (Agardh) Smith                                        0.05      1.0
   48025 Nitzschia palea (Kützing) Smith                                         14.53    270.0
   48990 Nitzschia sp. 1 ?                                                        0.05      1.0
   48183 Nitzschia tryblionella var. victoriae (Grunow) Grunow                    0.05      1.0
   50002 Opephora martyi Héribaud                                                 0.16      3.0
   64012 Stephanodiscus invisitatus Hohn et Hellerman                             7.10    132.0
   65002 Surirella angusta Kützing                                                0.05      1.0
   70002 Thalassiosira fluviatilis Hustedt                                        1.29     24.0


Report Date: 4/12/2024          Total Number of Taxa: 43          Total Number Counted: 1858

Count Notes:

  ?
  Comments: Nitzschia sinuata v. tryblionella: design. as 'Nitzschia sp. 1?'.
 
Taxa Notes:
 
None.

 


 
Counts version 3.3 - last revision 2/16/2021
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