Morel Mushrooms and Its Ice Age Evolution Theory
Morels are among the most desired edible mushrooms as well as the most mysterious. The mystery stems largely from yeast-like characteristics. The morel maintains a physiology similar to yeasts because of its very recent evolution from a yeast.
Here is a general description of morels:
Morel mushrooms have an unusual appearance, because they produce ascospores, which means the spores are enclosed within the tissue, and a force propels them out. The spores must therefore be near the surface, and a lot of surface area is needed. So there are ridges on the surface