Fluorescence light micrograph of a transverse section through a thalloid liverwort (Conocephalum conicum), revealing differentiation of thallus anatomy. In the top of section, there is an epidermis layer with pores and air chambers visible, thin upper part of thallus with plenty of chloroplast cells and lower part of thallus is colorless storage layer with no chloroplasts of thallus. Magnification: 160x when printed at 10 cm wide.