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  • Desmidiales - Wikipedia
    The term "desmid" typically refers to a group of microscopic, mostly single-celled algae in the class Zygnematophyceae Within the desmids, a distinction is typically made between "saccoderm" and "placoderm" desmids
  • Desmid | Classification, Characteristics, Facts | Britannica
    Desmids are characterized by extensive variation in cell shape and are found worldwide, usually in acid bogs or lakes Since most species have a limited ecological range, the presence of specific desmids is helpful in characterizing water samples
  • Desmidiales - University of California Museum of Paleontology
    The Desmidiales comprise about 40 genera of more than 10,000 species, making them a larger group than all the other charophytes combined They are usually divided into two families based on the structure of the cell wall
  • Freshwater Algae: Desmids. Introduction to Desmids with photomicrographs.
    Closterium and Cosmarium Closterium is a common desmid in most freshwater habitats It lacks the isthmus of the general description above but has at the extreme ends of each semi-cell a small spherical vacuole in which varying numbers of tiny particles can be seen in constant agitated motion
  • Mic-UK: Desmids
    Desmids need water of specific quality, most species require water with a certain acidity and without too many nutrients Between sphagnum moss in bogs and marshes you may find many species An easy way to collect them is to squeeze the water out of sphagnum into a jar
  • Desmids, introduction
    Due to the dependence on clear, relatively nutrient-poor waters, in large parts of the world desmids belong to the seriously threatened groups of organisms As most of the species only occur at highly specific combinations of habitat variables, they may be considered excellent indicator organisms
  • Desmids | Microscopy of Nature
    Desmids (Desmidiaceae) are a group of mainly unicellular green algae These algae include for example Closterium, Cosmarium and Pleurotaenium, of which the first two are particularly common in slightly polluted (nutrient-poor or oligotrophic) fresh waters
  • Desmids: Structure, Habitat Reproduction Explained - Vedantu
    Desmids are usually developing in standing freshwaters As it is a unicellular organism it is impossible to view a single desmid But can view the largest representatives in the naked eye This green alga comprises 40 genera with 5000 species The desmid’s microscopical view is indispensable
  • WWU Professor Emeritus Robin Matthews details newly described desmids
    These single-cell or filamentous green algae found in freshwater lakes, ponds and bogs are comprised of two mirror-image semicells Desmids are extremely sensitive to changes in the environment, so are valuable indicators for water and habitat quality
  • Phycokey - Desmids
    "Desmids" (desmos + eidos = chain forming) denotes the group of green protists that reproduce sexually with amoeboid gametes (without flagella), either by forming "conjugation bridges" through which the "male" gamete migrates (filamentous forms) or by tangential contact within a common mucilage sheath, also with gamete migration, then fusing





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