In 1991, the comprehensive book about hostas, The Genus Hosta by W. George Schmid, was published. It was the first intensively researched book about the entire genus which, until that time, suffered from a lot of misinformation and name confusion. As the result of his research, Schmidt determined that several of the plants previously treated as separate, naturally occuring, species were, in fact, cultivated varieties, i.e. cultivars. created by nurseries or hybridizers.

This is one of the hosta groupings that was shifted from species to cultivar status. For more on this process...