Table 1 List of recorded species in the Nile River samples

Chlorophyta

Microcystis aeruginosa Kützing

+

Actinastrum hantzschii Lagerheim

+

Oscillatoria limnetica Lemmermann

+

Ankistrodesmus acicularis var. mirabilis

+

Spirulina allansonii Welsh

+

Botryococcus braunii Kützing

+

Planktothrix rubescens Anagnostidis & Komárek

+

Chodatella cilliata Lagerheim

+

Total Cyanophyta species

14

Chlamydomonas ehrenbergii Gorozhankin

+

Chlorella regularis Oltmanns

+

Bacillariophyta

Coelastrum microporum Nägeli

+

Amphora ovalis var. minor Kützing

+

Crucigenia rectangularis Nägeli

+

Asterionella formosa Hassall

+

Dictyosphaerium ehrenbergianum Nägeli

+

Cocconeis placentula f. major Cleve

Golenkinia radiata Chodat

+

Cyclotella comta var. bodanica Grunow

+

Kirchneriella obesa var. contorta Schmidle

+

Cyclotella catenata Bachmann

+

Micractinium pusillum Fresenius

+

Cymbella prostrata Cleve

+

Nephrocytium lunatum West

+

Diatoma elongata Lyngbye

+

Oocystis parva West & G.S.West

+

Diatoma vulgaris var. producta Grunow

+

Oocystis solitaria f. major Wille

+

Fragilaria capucina var. familiaris

+

Pediastrum clathratum Lemmermann

+

Gomphonema olivaceum Brébisson

+

Pediastrum simplex Meyen

+

Gyrosigma attenuatum Rabenhorst

+

Cryptomonas erosa Ehrenberg

+

Melosira granulata Ralfs

+

Scenedesmus obliquus Turpin

+

Navicula bacillum Ehrenberg

+

Scenedesmus quadricauda Chodat

+

Navicula cuspidata var. alaskaensis Foged

+

Sphaerocystis schroeteri Chodat

+

Navicula exigua W.Gregory

+

Tetraedron minimum Hansgirg

+

Navicula mutica f. cohnii Cleve

+

Ulothrix subtilissima Rabenhorst

+

Nitzschia acicularis Kützing

+

Total Chlorophyta species

23

Nitzschia closterium f. minutissima Allen & Nelson

+

Charophyta

Nitzschia constricta var. major Grunow

+

Closterium acerosum Ehrenberg

+

Nitzschia nana Grunow

+

Spirogyra porticalis Dumortier

+

Nitzschia sigmoidea Nitzsch

+

Staurastrum paradoxum Meyen ex Ralfs

+

Nitzschia hungarica var. linearis Grunow

+ 

Total Charophyta species

3

Nitzschia linearis var. tenuis Grunow

+

Cyanophyta

Peridinium cinctum f. areolatum

+

Anabaena flos-aquae f. major Elenkin

+

Pinnularia aequalis Ehrenberg

+

Anabaena solitaria Klebahn

+

Stephanodiscus astraea Grunow

+

Anabaena planctonica Brunnthaler

+

Synedra ulna f. danica Hustedt

+

Anabaena circinalis filament

+

Tabellaria fenestrata var. asterionelloides Grunow

+

Anacystis marginata Meneghini

+

Total Bacillariophyta species

28

Aphanizomenon flos-aquae var. gracile Lemmermann

+

Pyrrhophyta

Chroococcus turgidus Nägeli

+

Ceratium hirundinella Dujardin

+

Coelosphaerium kuetzingianum Nägeli

+

Total Pyrrhophyta species

1

Cylindrospermum stagnale Bornet & Flahault

+

Merismopedia glauca Ehrenberg

+

Total No. of algal species

69