North American Diatom Ecological Database - NADED
Phycology Section, Patrick Center for Environmental Research
Diatom Count Report
Water Body: X-Trib Folly Creek Site Location ID: VA-7-XDE000.40 Sample Label:
Sample ID: va000213 Client Sample ID: 7-XDE000.40
Date Sample Collected: 10/31/2007 Count Finished: 08/27/2008
Subsample ID: DT1 Slide Replicate ID: a Count Replicate ID: 1
Counted By: Sara Mays Sample Type:
Naded Taxon Name Percent Count Notes
2041 Achnanthes coarctata (Brébisson ex W. Smith) Grunow in Cleve and Gr+ 0.21 1.0
2105 Achnanthes oblongella Østrup 48.17 224.0
1010 Achnanthidium minutissimum (Kützing) Czarnecki 1.29 6.0
7006 Amphora veneta Kützing 0.64 3.0
76001 Bacillaria paradoxa Gmelin in Linneaeus 0.21 1.0
12001 Caloneis bacillum (Grunow) Cleve 0.21 1.0
23016 Cymbella naviculiformis Auerswald ex Heiberg 0.64 3.0
30001 Diploneis elliptica (Kützing) Cleve 0.21 1.0
33185 Eunotia bilunaris (Ehrenberg) Souza in Souza and Moreira-Filho 0.86 4.0
33060 Eunotia tenella (Grunow in Van Heurck) Hustedt in Schmidt et al. 5.37 25.0
34098 Fragilaria capucina var. gracilis (Østrup) Hustedt 0.64 3.0
34030 Fragilaria vaucheriae (Kützing) Petersen 0.43 2.0
192008 Fragilariforma virescens (Ralfs) Williams et Round 0.21 1.0
35011 Frustulia vulgaris (Thwaites) De Toni 1.72 8.0
37125 Gomphonema angustum Agardh 2.15 10.0
37070 Gomphonema apuncto Wallace 0.21 1.0
37197 Gomphonema kobayasii Kociolek et Kingston 0.21 1.0
37178 Gomphonema minutum (Agardh) Agardh 0.21 1.0
37010 Gomphonema parvulum (Kützing) Kützing 2.79 13.0
37151 Gomphonema utae Lange-Bertalot et Reichardt in Reichardt 0.21 1.0
38001 Gyrosigma acuminatum (Kützing) Rabenhorst 0.64 3.0
40002 Hantzschia amphioxys (Ehrenberg) Grunow in Cleve and Grunow 0.21 1.0
213001 Hippodonta capitata (Ehrenberg) Lange-Bertalot, Metzeltin et Witkow+ 0.64 3.0
213003 Hippodonta lueneburgensis (Grunow) Lange-Bertalot, Metzeltin et Wit+ 2.58 12.0
130002 Luticola mutica (Kützing) Mann in Round, Crawford and Mann 2.15 10.0
45001 Meridion circulare (Greville) Agardh 0.43 2.0
45002 Meridion circulare var. constrictum (Ralfs) Van Heurck 0.21 1.0
46893 Navicula antonii Lange-Bertalot in U. Rumrich, Lange-Bertalot and M+ 0.21 1.0
46169 Navicula cari Ehrenberg 1.29 6.0
46324 Navicula cincta (Ehrenberg) Ralfs in Pritchard 0.43 2.0
46014 Navicula cryptocephala Kützing 2.15 10.0
46527 Navicula cryptotenella Lange-Bertalot in Krammer and Lange-Bertalot 0.64 3.0
46023 Navicula gregaria Donkin 0.43 2.0
46363 Navicula integra (Smith) Ralfs in Pritchard 2.58 12.0
46373 Navicula menisculus Schumann 0.43 2.0
46044 Navicula notha Wallace 1.29 6.0
46649 Navicula recens (Lange-Bertalot) Lange-Bertalot in Krammer and Lang+ 0.21 1.0
46896 Navicula rostellata Kützing 0.21 1.0
46401 Navicula tenelloides Hustedt 1.50 7.0
47011 Neidium dubium (Ehrenberg) Cleve 0.21 1.0
48004 Nitzschia amphibia Grunow 0.21 1.0
48137 Nitzschia clausii Hantzsch 0.43 2.0
48008 Nitzschia dissipata (Kützing) Grunow 0.21 1.0
48011 Nitzschia fonticola (Grunow) Grunow in Van Heurck 0.21 1.0
48013 Nitzschia frustulum (Kützing) Grunow in Cleve and Grunow 0.64 3.0
48023 Nitzschia linearis (Agardh) Smith 3.22 15.0
48025 Nitzschia palea (Kützing) Smith 0.86 4.0
52013 Pinnularia borealis Ehrenberg 0.64 3.0
52059 Pinnularia subcapitata Gregory 0.64 3.0
52071 Pinnularia viridis (Nitzsch) Ehrenberg 0.21 1.0
194002 Placoneis pseudanglica Cox 1.07 5.0
155009 Planothidium delicatulum (Kützing) Round et Bukhtiyarova 0.21 1.0
155017 Planothidium frequentissimum (Lange-Bertalot in Krammer and Lange-B+ 0.43 2.0
155003 Planothidium lanceolatum (Brébisson ex Kützing) Lange-Bertalot 1.07 5.0
170006 Sellaphora pupula (Kützing) Meresckowsky 0.64 3.0
62015 Stauroneis phoenicenteron (Nitzsch) Ehrenberg 0.86 4.0
62007 Stauroneis smithii Grunow 2.15 10.0
172020 Staurosira sp. 1 VADEQ SJM 0.43 2.0
65064 Surirella brebissonii var. kuetzingii Krammer et Lange-Bertalot 0.21 1.0
66024 Synedra ulna (Nitzsch) Ehrenberg 0.43 2.0
Report Date: 3/20/2023 Total Number of Taxa: 60 Total Number Counted: 465
Count Notes:
?
Comments: A lot of sediment
Time limit reached before 600 valves could be counted.
Taxa Notes:
None.
Counts version 3.3 - last revision 2/16/2021
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