 Dahl was, in fact, twice honored in this manner; in the 1780s, Carl Peter Thunberg, a friend from Uppsala, named a species of plant from the family "Hamamelidaceae" after him.The "Dahlia crinita" is a reference to Dahl's appearance, probably to his large beard, since "crinita" is Latin for "longhaired".Thunberg finally published the name in 1792.