Caloscypha fulgens is a widespread species of mushroom. It is a striking spring mushroom of the Pezizales order. It belongs among the ascomycetes, because the spores are formed in a so-called asci from where they are gradually released into the environment. The sporocarp of Caloscypha fulgens is of a spherical or cup shape, 10 − 40 mm in diameter. In adulthood, the sporocarp is often almost fully unfolded and has wavy, sometimes cracked edges. It is tasteless and without a strong odour. The stem on the base is usually not visible. The colour of the sporocarp is most often a vivid...