Light microscope images of algae isolated from the Roman Baths (x60). All algae were isolated from the Great Bath unless indicated (* = isolated from Kings Bath). A, Chlorella emersonii (Ce); B, Coelastrella saipanensis (Cs); C, Klebsormidium sp. (K sp.); D, Hantzschia sp. (H sp.); E, Chroococcidiopsis thermalis (Ct); F*, Microcoleus chthonoplastes (Mc); G*, Mastigocladus laminosus (Ml); H*, Oscillatoria sancta (Os). Bar = 20 μm.