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Fig. 4. Closterium showing grooved cell wall
Closterium navicula is
boat-shaped and in this
respect differs from
most of the other
species in the genus
(Fig. 5, top).
Netrium spp. are
described as
‘cucumber-shaped’ with
two large chloroplasts
each with finger-like
margins (Fig. 5,
bottom).
Fig.5. Closterium navicula (top), Netrium sp. (bottom)
