Kalklungmossa (Marchantia quadrata)

Focus-stacked macro images of Marchantia quadrata, kalklungmossa in Swedish, a thallose liverwort typical of moist, calcareous environments. These photographs show the species’ umbrella-shaped female reproductive structures (archegoniophores) with their translucent, reticulate surfaces and central disk. A rare view of reproductive liverwort morphology, ideal for botanical education, microhabitat studies, and fine detail natural prints.