North American Diatom Ecological Database - NADED Phycology Section, Patrick Center for Environmental Research Soft Algae Count Report
Water Body: Scammon Pond (Lyle Site Location ID: ME-000585 Sample Label: 1602 Sample ID: MEDP1069 Client Sample ID: WA-293-2016e (1602) Date Sample Collected: 06/23/2016 Count Finished: 03/06/2017 Subsample ID: PR1 Slide Replicate ID: a Count Replicate ID: 1 Counted By: Laura Aycock Sample Type: QMH-micro
Naded Type Taxon Name #Units Percent #Cells Percent Notes 249999 Unclassified (undifferentiated) (diatoms) 133 41.69 133 12.72 249998 Unclassified (undifferentiated) diatoms> (dead) 9 2.82 9 0.86 261000 Green Algae Ankistrodesmus falcatus (Corda) Ralfs 2 0.62 4 0.38 Yes 327022 Green Algae Cosmarium angulosum Brébisson 2 0.62 2 0.19 Yes 327029 Green Algae Cosmarium contractum Kirchner 3 0.94 3 0.28 Yes 327211 Green Algae Cosmarium isthmium W. West 1 0.31 1 0.09 Yes 327038 Green Algae Cosmarium regnesi Reinsch 1 0.31 1 0.09 Yes 327087 Green Algae Cosmarium undulatum var. minutum Wittrock 2 0.62 2 0.19 Yes 1110007 Yellow-Green Algae Dinobryon divergens Imhof 2 0.62 2 0.19 379024 Green Algae Euastrum divaricatum Lundell 1 0.31 1 0.09 Yes 863016 Blue-Green Algae Leptolyngbya sp. 1 0.31 58 5.55 Yes 875000 Blue-Green Algae Merismopedia tenuissima Lemmermann 4 1.25 128 12.24 Yes 438011 Green Algae Micrasterias truncata var. pusilla G.S. West 1 0.31 1 0.09 Yes 444000 Green Algae Mougeotia sp. 65 20.37 166 15.88 Yes 444006 Green Algae Mougeotia sp. 1 (thin filament) 62 19.43 125 11.96 Yes 455000 Green Algae Oedogonium sp. 5 1.56 57 5.45 Yes 1457003 Dinoflagellates Peridinium inconspicuum Lemmermann 1 0.31 1 0.09 Yes 481003 Green Algae Pleurotaenium trabecula (Ehrenberg) Nägeli 1 0.31 1 0.09 Yes 897003 Blue-Green Algae Pseudanabaena sp. 5 1.56 64 6.12 Yes 510001 Green Algae Scenedesmus quadricauda (Turpin) Brébisson 1 0.31 4 0.38 Yes 533990 Green Algae Spirogyra sp. 1 ? 2 0.62 18 1.72 Yes 536001 Green Algae Spondylosium planum (Wolle) W. West et G.S. West 4 1.25 10 0.95 Yes 538110 Green Algae Staurastrum excavatum W. West et G.S. West 1 0.31 1 0.09 538016 Green Algae Staurastrum margaritaceum (Ehrenberg) Meneghini 1 0.31 1 0.09 Yes 538004 Green Algae Staurastrum orbiculare (Ehrenberg) Ralfs 1 0.31 1 0.09 Yes 945000 Blue-Green Algae Woronichinia sp. 8 2.50 251 24.01 Yes
Report Date: 2/1/2023 Total Number of Taxa: 26 Total Natural Units: 319 Total Number of Cells: 1045
Count Notes:
? Comments: Abundance of diatoms. Staurastrum geminatum and Staurastrum leptocladum were observed in sample but not in count.
Taxa Notes:
Naded 261000: Spindle shaped cells either in a colony or solitary. Cell ends tapper. Cell length is 25.0µm and width is 2.5µm. Naded 327022: Deep median constriction with moderately open sinus and semicells with a circular outline. Cell length is about 9.4 µm and width is 5.3 µm. Naded 327029: Cells have a deep median constriction with widely open sinus. The isthmus is elongated. Semicells broadly elliptic in outline. Cell length is 18.8-22.2µm and width is 13.3-15.9µm. Naded 327038: Semicells are rectangular shaped. Lateral portion of cells have 2 lobes. Cell length and width is 7.5 µm. Naded 327087: Semicells are subcircular in shape and the cell wall has 14-16 undulations. Cell wall is smooth with a deep median constriction and narrow sinus. Cell length is 9.7-12.6µm and width is 10.5µm. Naded 327211: Cells more than 1.5 time longer than broad. Sinus widely open with a deep median constriction. Cell wall is granular with the outline of the semicells circular. Cell length is 22.3 µm and width is 12.8 µm. Naded 379024: Cell broadly oval in outline with lateral teeth-like projections. Bilobed basal lobes with tooth-like projections. Cell length is 27.6µm and width is 19.9µm. Naded 875000: Ovate cells in rectangular colony. Cells are evenly spaced and have a diameter of about 2.0µm. Naded 438011: Cell oval in outline with rounded apex. Broadly rounded polar lobe with two short spikes on ends. Lateral lobes divided by small notch in with four spikes on each division. Sinus narrowly open only on outer half. Cell length is 48.7µm and width is 50.5µm. Naded 444000: Cylindrical shaped filaments with plate-like chloroplast. Cell size varies. Naded 444006: Cylindrical shaped filaments with plate-like chloroplast. Filaments are very thin (no more than 10µm wide) in comparison to Mougeotia sp. Naded 455000: Cylindrical shaped filaments with net-like chloroplast. Cells enlarge towards cell junctions. Cell size varies. Naded 1457003: Cell length is 11.2 µm and width is 10.2 µm. Naded 481003: Cells have slight basal inflation with 1-3 undulations. Cell poles are truncate with rounded angles and no crown. Cell length is 81.2µm and length is 4.8µm. Naded 897003: Cylindrical filament with constrictions at cell cross-walls. Cell ends do not tapper and are identical. Filament diameter is about 1.2µm. Naded 510001: Cylindrical cells arranged latterly in a colony. Outer cells in colony have two long spikes. Cell length is about 13.4µm and width is about 5.3µm. Naded 533990: Cylindrical shaped filamentous cells. Chloroplast are in a ribbon that coils around the inside if the cell. Naded 536001: Cells have rounded angles with an open sinus and deep constriction. Cells are subquadrangular and have a flat apex. Cells are filamentous. Cell length is 6.1µm and width is 4.9µm. Naded 538004: Cell is triangular in end view. Semicells are pyramidal in shape with broadly rounded angles. Cell length is 20.0µm and width is 19.1µm. Naded 538016: Cell has 4 granulated processes each tipped with 3 spikes. Cell width is 12.2µm. Naded 945000: Colony of oval cells incased in a mucilaginous sheath. Center of colony contains tube-like stalks with radial branching connecting the cells Naded 863016: Cylindrical filaments in a thin sheath. Filament ends not tapper and cells are not constricted. Filament width is about 1.3µm.
Counts version 3.3 - last revision 2/16/2021 If problems with this page, please email