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Phycology Section
Patrick Center for Environmental Research

Algae collection site:
Potomac River, MD, US

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Potomac River, MD, US


   See lists of: 4 samples | 118 diatoms | 0 non-diatoms for this site.

   site code: DK1
   site_id: 19405
   NEON domain: not applicable
   state: Maryland (MD)
Location: In Frederick County, Maryland, approximately three-quarters of a mile above the highway bridge (U.S. Route 15) and the village of Point of Rocks, Maryland. Description: The river, which is about 250 yards wide, is divided into two nearly equal
   latitude in decimal: 39.283350
   longitude in decimal: -77.556700
   waterbody type: stream / river
   ecoregion:
     Eastern Temperate Forests
       Southeastern USA Plains
         Northern Piedmont
   country: United States (US)

 
4 algae samples were collected at this site:
 
   sample DK10001 - 1960  General Multiple Habitats, collected 08/08  
   sample DK10004 - 1965  General Multiple Habitats, collected 09/01  
   sample DK10005 - 1970  General Multiple Habitats, collected 09/18  
   sample DK10007 - 1974  General Multiple Habitats, collected 08/21  

 
118 diatom species found at this site:

   diatom, NADED ID 2004 - Achnanthes clevei Grunow
   diatom, NADED ID 401 - Achnanthes exigua var. heterovalva Krasske
   diatom, NADED ID 2015 - Achnanthes lanceolata (Brébisson ex Kützing) Grunow
   diatom, NADED ID 2016 - Achnanthes lanceolata var. dubia Grunow
   diatom, NADED ID 2024 - Achnanthes linearis (Smith) Grunow
   diatom, NADED ID 2030 - Achnanthes minutissima Kützing
   diatom, NADED ID 2034 - Achnanthes pinnata Hustedt
   diatom, NADED ID 7003 - Amphora ovalis var. pediculus (Kützing) Van Heurck ex DeTony
   diatom, NADED ID 7006 - Amphora veneta Kützing
   diatom, NADED ID 11002 - Biddulphia laevis Ehrenberg
   diatom, NADED ID 12001 - Caloneis bacillum (Grunow) Cleve
   diatom, NADED ID 14001 - Capartogramma crucicula (Grunow ex Cleve) Ross
   diatom, NADED ID 16001 - Cocconeis diminuta Pantocsek
   diatom, NADED ID 16011 - Cocconeis pediculus Ehrenberg
   diatom, NADED ID 16004 - Cocconeis placentula Ehrenberg
   diatom, NADED ID 16005 - Cocconeis placentula var. euglypta (Ehrenberg) Grunow
   diatom, NADED ID 16003 - Cocconeis placentula var. lineata (Ehrenberg) Van Heurck
   diatom, NADED ID 17004 - Coscinodiscus pygmaeus var. micropunctatus Brun et Peragallo
   diatom, NADED ID 20024 - Cyclotella aliquantula Hohn et Hellerman
   diatom, NADED ID 20001 - Cyclotella atomus Hustedt
   diatom, NADED ID 20026 - Cyclotella florida Voight
   diatom, NADED ID 20007 - Cyclotella meneghiniana Kützing
   diatom, NADED ID 20012 - Cyclotella pseudostelligera Hustedt
   diatom, NADED ID 20010 - Cyclotella stelligera (Cleve et Grunow) Van Heurck
   diatom, NADED ID 23073 - Cymbella affinis Kützing
   diatom, NADED ID 23005 - Cymbella cistula (Ehrenberg) Kirchner
   diatom, NADED ID 23009 - Cymbella lunata Smith
   diatom, NADED ID 23012 - Cymbella minuta Hilse ex Rabenhorst
   diatom, NADED ID 23015 - Cymbella minuta var. silesiaca (Bleisch ex Rabenhorst) Reimer
   diatom, NADED ID 23079 - Cymbella prostrata (Berkeley) Cleve
   diatom, NADED ID 23051 - Cymbella sinuata Gregory
   diatom, NADED ID 23068 - Cymbella tumida (Brébisson ex Kützing) Van Heurck
   diatom, NADED ID 27004 - Diatoma vulgare Bory
   diatom, NADED ID 32006 - Epithemia sorex Kützing
   diatom, NADED ID 32004 - Epithemia turgida (Ehrenberg) Kützing
   diatom, NADED ID 34012 - Fragilaria construens (Ehrenberg) Grunow
   diatom, NADED ID 34022 - Fragilaria leptostauron (Ehrenberg) Hustedt
   diatom, NADED ID 34025 - Fragilaria pinnata Ehrenberg
   diatom, NADED ID 34030 - Fragilaria vaucheriae (Kützing) Petersen
   diatom, NADED ID 37067 - Gomphonema abbreviatum Agardh
   diatom, NADED ID 37071 - Gomphonema augur Ehrenberg
   diatom, NADED ID 37006 - Gomphonema dichotomum Kützing
   diatom, NADED ID 37065 - Gomphonema olivaceum (Lyngbye) Kützing
   diatom, NADED ID 37010 - Gomphonema parvulum (Kützing) Kützing
   diatom, NADED ID 37029 - Gomphonema subclavatum (Grunow) Grunow
   diatom, NADED ID 38010 - Gyrosigma fasciola (Ehrenberg) Griffith et Henfrey
   diatom, NADED ID 38012 - Gyrosigma scalproides (Rabenhorst) Cleve
   diatom, NADED ID 38004 - Gyrosigma spencerii (Smith) Griffith et Henfrey
   diatom, NADED ID 44006 - Melosira granulata var. angustissima Müller
   diatom, NADED ID 44073 - Melosira varians Agardh
   diatom, NADED ID 45001 - Meridion circulare (Greville) Agardh
   diatom, NADED ID 46002 - Navicula angusta Grunow
   diatom, NADED ID 46007 - Navicula biconica Patrick
   diatom, NADED ID 46317 - Navicula canalis Patrick
   diatom, NADED ID 46168 - Navicula capitata var. hungarica (Grunow) Ross
   diatom, NADED ID 46324 - Navicula cincta (Ehrenberg) Ralfs
   diatom, NADED ID 46325 - Navicula cincta var. rostrata Reimer
   diatom, NADED ID 46115 - Navicula confervacea (Kützing) Grunow
   diatom, NADED ID 46014 - Navicula cryptocephala Kützing
   diatom, NADED ID 46255 - Navicula cryptocephala var. exilis Grunow
   diatom, NADED ID 46170 - Navicula cryptocephala var. veneta (Kützing) Rabenhorst
   diatom, NADED ID 46335 - Navicula cryptocephaloides Hustedt
   diatom, NADED ID 46257 - Navicula decussis Østrup
   diatom, NADED ID 46300 - Navicula graciloides Mayer
   diatom, NADED ID 46023 - Navicula gregaria Donkin
   diatom, NADED ID 46034 - Navicula lanceolata (Agardh) Kützing
   diatom, NADED ID 46370 - Navicula luzonensis Hustedt
   diatom, NADED ID 46039 - Navicula minima Grunow
   diatom, NADED ID 46041 - Navicula muralis Grunow
   diatom, NADED ID 46042 - Navicula mutica Kützing
   diatom, NADED ID 46044 - Navicula notha Wallace
   diatom, NADED ID 93306 - Navicula pelliculosa (Kützing) Hilse
   diatom, NADED ID 46051 - Navicula pupula Kützing
   diatom, NADED ID 46053 - Navicula pupula var. mutata (Krasske) Hustedt
   diatom, NADED ID 46058 - Navicula radiosa var. tenella (Brébisson ex Kützing) Grunow
   diatom, NADED ID 46154 - Navicula rhynchocephala Kützing
   diatom, NADED ID 46388 - Navicula rhynchocephala var. germainii (Wallace) Patrick
   diatom, NADED ID 46155 - Navicula salinarum var. intermedia (Grunow) Cleve
   diatom, NADED ID 46390 - Navicula salinicola Hustedt
   diatom, NADED ID 46394 - Navicula schroeteri var. escambia Patrick
   diatom, NADED ID 46070 - Navicula seminulum Grunow
   diatom, NADED ID 46471 - Navicula sp. ANS JH Y3
   diatom, NADED ID 46400 - Navicula symmetrica Patrick
   diatom, NADED ID 46104 - Navicula tripunctata (Müller) Bory
   diatom, NADED ID 46406 - Navicula tripunctata var. schizonemoides (Van Heurck) Patrick
   diatom, NADED ID 46408 - Navicula viridula (Kützing) Kützing
   diatom, NADED ID 48002 - Nitzschia acicularis (Kützing) Smith
   diatom, NADED ID 48004 - Nitzschia amphibia Grunow
   diatom, NADED ID 48098 - Nitzschia bacata Hustedt
   diatom, NADED ID 48006 - Nitzschia capitellata Hustedt
   diatom, NADED ID 48223 - Nitzschia commutata Grunow
   diatom, NADED ID 48008 - Nitzschia dissipata (Kützing) Grunow
   diatom, NADED ID 48099 - Nitzschia dissipata var. media (Hantzsch) Grunow
   diatom, NADED ID 48145 - Nitzschia filiformis (Smith) Van Heurck
   diatom, NADED ID 48011 - Nitzschia fonticola (Grunow) Grunow
   diatom, NADED ID 48146 - Nitzschia frequens Hustedt
   diatom, NADED ID 48013 - Nitzschia frustulum (Kützing) Grunow
   diatom, NADED ID 48201 - Nitzschia frustulum var. indica Skvortzow
   diatom, NADED ID 48014 - Nitzschia frustulum var. perminuta Grunow
   diatom, NADED ID 48015 - Nitzschia gracilis Hantzsch
   diatom, NADED ID 48022 - Nitzschia kuetzingiana Hilse
   diatom, NADED ID 48023 - Nitzschia linearis (Agardh) Smith
   diatom, NADED ID 48024 - Nitzschia microcephala Grunow
   diatom, NADED ID 48025 - Nitzschia palea (Kützing) Smith
   diatom, NADED ID 48087 - Nitzschia sigma (Kützing) Smith
   diatom, NADED ID 48178 - Nitzschia sinuata var. tabellaria (Grunow) Grunow
   diatom, NADED ID 48180 - Nitzschia tryblionella var. levidensis (Smith) Grunow
   diatom, NADED ID 48183 - Nitzschia tryblionella var. victoriae (Grunow) Grunow
   diatom, NADED ID 57001 - Rhoicosphenia curvata (Kützing) Grunow ex Rabenhorst
   diatom, NADED ID 64012 - Stephanodiscus invisitatus Hohn et Hellerman
   diatom, NADED ID 65017 - Surirella ovata Kützing
   diatom, NADED ID 65020 - Surirella tenera Gregory
   diatom, NADED ID 66042 - Synedra acus Kützing
   diatom, NADED ID 66015 - Synedra radians Kützing
   diatom, NADED ID 66017 - Synedra rumpens var. fragilarioides Grunow
   diatom, NADED ID 66024 - Synedra ulna (Nitzsch) Ehrenberg
   diatom, NADED ID 70002 - Thalassiosira fluviatilis Hustedt
   diatom, NADED ID 70004 - Thalassiosira sp. 1 ANS NAR
 
0 non-diatom species found at this site.



 


 
Counts version 3.2 - last revision 6/17/2017
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