Algae of Lake Fayetteville, Springdale, Arkansas
from Collection made in June 2009 and June 2010
This webpage is for educational uses only.
Any use must first have the permission of Russell G. Rhodes, Department of
Biology, Missouri State University, Springfield, Missouri
The table below contains some images of algae that were
collected and preserved in Lugol's solution. The sample was taken at the marina
as a grab sample in June 2009. No shoreline algae were included in the sample. The dominant
form in the sample is Cryptomonas, a cryptomonad, and the subdominant
forms include the diatoms Fragillaria, Melosira, Synedra, and Navicula.
Other algae include the chrysophyte, Synura, some green
algae that include Scenedesmus, Actinastrum, and Pandorina.
Several blue green algae include Anabaena, Microcystis,
and Oscillatoria.
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| Actinastrum, a green alga and the star like
colony aside the filament of Melosira, a diatom taken at 400x |
Anabaena, a blue green filament and adjacent
to that is Cryptomonas, a cryptomonadtaken at 400x |
Cryptomonas, the dominant alga in the June
2009 sample from Lake Fayetteville taken at 400X |
Multiple cells of Cryptomonas taken at 100x. This
was the organism that caused a bloom and turned the water a brownish
hue. |
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| Fragillaria, a filamentous diatom and an associated
Cryptomonas taken at 400X |
Frustulia, a very large diatom taken at 400X |
Microcystis, a colonial blue green alga taken at
400x |
Oscillatoria a filamentous blue green alga taken at 400x |
The following table contains images from a grab sample taken at the dock in
June 2010.
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| Anabaena limnetica |
Anabaena spiroides |
Ankyra |
Ankyra with
holdfast |
Aphanizomenon |
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| Botryococcus |
Cocconeis |
Cryptomonas
(small variety) |
Gomphosphaeria |
Cryptomonas
(large variety) |
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|
| Melosira |
Oocystis |
Trachelomonas |
Microcystis |
|
Prepared June 7, 2010 by Russell G. Rhodes
