North American Diatom Ecological Database - NADED Phycology Section, Patrick Center for Environmental Research Diatom Count Report Water Body: PEQUANNOCK RIVER Site Location ID: GS01387042 Sample Label: Sample ID: GS028163 Client Sample ID: LINJ1096ARE0161BDate Sample Collected: 10/08/1996 Count Finished: 03/11/1998Subsample ID: DT1 Slide Replicate ID: a Count Replicate ID: 1Counted By: Todd Clason Sample Type: RTH Naded Taxon Name Percent Count Notes 2001 Achnanthes affinis Grunow 0.16 1.0 2007 Achnanthes exigua Grunow 0.16 1.0 2015 Achnanthes lanceolata (Brébisson ex Kützing) Grunow 0.33 2.0 2024 Achnanthes linearis (Smith) Grunow 51.00 306.0 2030 Achnanthes minutissima Kützing 7.00 42.0 2148 Achnanthes subhudsonis Hustedt 17.50 105.0 16011 Cocconeis pediculus Ehrenberg 0.16 1.0 16003 Cocconeis placentula var. lineata (Ehrenberg) Van Heurck 2.16 13.0 23012 Cymbella minuta Hilse ex Rabenhorst 1.33 8.0 23051 Cymbella sinuata Gregory 2.50 15.0 27004 Diatoma vulgare Bory 0.66 4.0 33168 Eunotia implicata Nörpel, Alles et Lange-Bertalot in Alles, Nörpel + 0.16 1.0 34003 Fragilaria brevistriata Grunow 0.16 1.0 34025 Fragilaria pinnata Ehrenberg 0.16 1.0 34030 Fragilaria vaucheriae (Kützing) Petersen 0.33 2.0 35011 Frustulia vulgaris (Thwaites) De Toni 0.16 1.0 37062 Gomphonema olivaceoides Hustedt 0.66 4.0 37010 Gomphonema parvulum (Kützing) Kützing 4.00 24.0 44073 Melosira varians Agardh 0.16 1.0 46272 Navicula capitata Ehrenberg 0.16 1.0 46661 Navicula capitatoradiata Germain 0.16 1.0 46014 Navicula cryptocephala Kützing 0.33 2.0 46257 Navicula decussis Østrup 0.16 1.0 46056 Navicula radiosa Kützing 0.66 4.0 46058 Navicula radiosa var. tenella (Brébisson ex Kützing) Grunow 3.33 20.0 46469 Navicula viridula var. avenacea (Brébisson ex Grunow) Van Heurck 0.16 1.0 48004 Nitzschia amphibia Grunow 0.66 4.0 48008 Nitzschia dissipata (Kützing) Grunow 1.00 6.0 48011 Nitzschia fonticola (Grunow) Grunow in Van Heurck 1.50 9.0 48013 Nitzschia frustulum (Kützing) Grunow in Cleve and Grunow 0.16 1.0 48122 Nitzschia inconspicua Grunow 0.66 4.0 48025 Nitzschia palea (Kützing) Smith 0.50 3.0 57001 Rhoicosphenia curvata (Kützing) Grunow ex Rabenhorst 1.16 7.0 66016 Synedra rumpens Kützing 0.16 1.0 66024 Synedra ulna (Nitzsch) Ehrenberg 0.33 2.0Report Date: 7/7/2022 Total Number of Taxa: 35 Total Number Counted: 600Count Notes: ? Comments: Start circle: x34.1, y88.1; end circle: x34.1, y91.1. 21 fields. I separated the achnanthes species as follows: A. lewisiana by its lanceolate valve with evenly spaced, mildly radiate straie, A. deflexa by its linear valve, broadly rounded ends, and parallel striae, which are somewhat more distantly spaced in the midregion of the valve, and A. minutissima by its narrow valve with rostrate/sub-rostrate ends. Taxa Notes: None. Counts version 3.3 - last revision 2/16/2021 If problems with this page, please email
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