Morels: the story so far

True morels, among the most glamorous and highly valued edible fungi, have been in the midst of taxonomical controversies for over a century. The use of molecular phylogenetic techniques and integrative taxonomical approaches have in recent years revolutionised our understanding of morels, resolving many of the old debates, but also giving rise to new ones. This review summarises the advances made and challenges met, with regards to this fascinating genus.