Chlorophyceae, Dinoflagellates, Desmids and Diatoms from Loch Tallant, July 2000.

Desmids Closterium, Cosmarium, Euastrum, Micrasterias, Staurastrum, Xanthidium

Diatoms Navicula radiosa

Dinoflagellates Ceratium, Massartia

Chlorophytes: Chlorococcales Botryococcus, Pediastrum, Sorastrum, Coelastrum

Zygnematales: Mougeotia

mystery 'alga'

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Desmids (Some colours are slightly unnatural due to attempts to increase the contrast)


(Staurastrum armigerum fo. furcigerum)




(Xanthidium cristatum)

(fixed Lugol's iodine)

Diatoms: Navicula radiosa



Ceratium sp.

Massartia sp.

Chlorophyceae; Chlorococcales:

Botryococcus sp. (these two images of iodine-stained colonies)

This is another Botryococcus, unstained
(two images of the same colony):

Pediastrum spp. : cells adjoined to form circular plates,
with the marginal cells frequently different from the internal
ones (often ornamented with protuberances)

Pediastrum boryanum

Pediastrum sp. (?boryanum)

Sorastrum sp.


Coelastrum sp. :

spherical or polygonal cells forming a hollow ball

This colony has been stained with Lugol's Iodine:

Chlorophyceae; Zygnematales: Mougeotia sp. 8Ám.

A mystery cell: click to reveal more:


Page last updated 16/9/01

John Kinross