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44 results
  • Blue-green algae
  • Blue-green algae
  • Blue-green algae with nitrogen fixing cells
  • Aquatic algae with a water beetle and its abdominal segments. Coloured etching, c. 1830.
  • A green algae (Ulva diaphana): leaf-like thallus and section of stipe. Coloured engraving after J. Sowerby, 1795.
  • A mass of filamentous green algae, possibly a Spirogyra species. Colour nature print by A. Auer, c. 1853.
  • 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
  • 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,
  • Volvox (colonial freshwater alga) SEM
  • Volvox (colonial freshwater alga) SEM, 3D
  • A fern, a moss, a fungus and an alga: all with anatomical details. Coloured etching by J. Pass, c. 1799.
  • Volvox
  • Sea vegetables : delicious, nutritious food from the ocean... / Clearspring Ltd.
  • Sea vegetables : delicious, nutritious food from the ocean... / Clearspring Ltd.
  • Microscope drawings of plant anatomy with cells and tissues of stonewort (Chara and Nitella species). Lithograph after C. Varley, c.1834.
  • Microscope drawings of plant anatomy with cells and growing points. Lithograph after C. Varley, c.1834.
  • Desmid Micrasterias denticulata undergoing cell division
  • Diatom frustule, SEM
  • Diatom frustule, SEM
  • A nursemaid (?) holding a senile man in her lap and feeding him with "Maraliment", a proprietary seaweed soup. Colour lithograph by L. Cappiello, 1920.
  • An abalone shell covered in flaky brown seaweed. Watercolour.
  • Freshwater diatom dividing, SEM
  • Freshwater diatoms SEM
  • Freshwater diatom dividing, SEM, 3D image
  • Coccolithophore
  • Freshwater diatoms SEM 3D image
  • Diatoms hidden inside a grain of sand, SEM
  • Yellow lichen in yew tree
  • Green lichen
  • Pink lichen