Desmidiales Order
Scale 2 Diat: photosynthetic , Hierachy 1
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Fact: Desmids are a type of green algae. They assume a veriety of highly symmetrical and attractive shapes.

cold, cool, warm
Graphic by Ernst Haeckel
Desmids (Gr. desmos, bond or chain) are an order (Desmidiales) in the Charophyta, a division of green algae that forms a sister group to the land plants (Embryophyta).[1] The desmids are often treated as members of the Zygnematales, as family Desmidiaceae.[2][3] The Desmidiales comprise around 40 genera and 5,000[4] to 6,000[5] species, found mostly but […] read more