Pictures of some False and True morels. (A) The False morel Gyromitra esculenta which has a wrinkled, brain-like cap. Source: Wikimedia Commons (public domain). Photographer: Severine Meibner. (B) A true yellow morel, Morchella esculenta, which has a honeycomb cap attached at its basis to the stipe. Source: Wikimedia Commons (Public domain). Photographer: J.Marqua. (C) Morchella semilibera, a true black morel (=Mitrophora semilibera). Source: Wikimedia Commons (Public domain). Photographer: Abaddon1337. (D) The false morel Verpa bohemica, which has a wrinkled and subdimpled cap, put like a thimble over a finger and without any attachment at its basis to the stipe. Source: Wikimedia Commons (Public domain). Photographer Tatiana Bulyonkova. For species recognition, colour being variable, specific morphological traits is a basis for differentiation between Gyromitra sp. and Morchella sp. At the contrary, Verpa bohemica and Morchella semilibera, have similar traits.