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18 results
  • A mass of filamentous green algae, possibly a Spirogyra species. Colour nature print by A. Auer, c. 1853.
  • An abalone shell covered in flaky brown seaweed. Watercolour.
  • Volvox
  • A fern, a moss, a fungus and an alga: all with anatomical details. Coloured etching by J. Pass, c. 1799.
  • A green algae (Ulva diaphana): leaf-like thallus and section of stipe. Coloured engraving after J. Sowerby, 1795.
  • Coccolithophore
  • Diatom frustule, SEM
  • Desmid Micrasterias denticulata undergoing cell division
  • Microscope drawings of plant anatomy with cells and tissues of stonewort (Chara and Nitella species). Lithograph after C. Varley, c.1834.
  • Blue-green algae with nitrogen fixing cells
  • Diatom frustule, SEM
  • Blue-green algae
  • Microscope drawings of plant anatomy with cells and growing points. Lithograph after C. Varley, c.1834.
  • Blue-green algae
  • Chlamydomonas is a type of green algae made up of unicellular flagellates. This type of algae is found in stagnant water, on damp soil, in freshwater and in seawater. It has sometimes also been found in snow. It is frenquently used as a model organism in molecular biology
  • Aquatic algae with a water beetle and its abdominal segments. Coloured etching, c. 1830.
  • Spirogyra is a type of green algae of the Zygnemataceae family. It is named for its spiral arrangement of the chloroplasts. It is commonly found in freshwater areas,
  • Diatoms hidden inside a grain of sand, SEM