Validité : "Sprengel, Neue Entd. 3: 40 (1822) made the combination "
M[
elananthera].
aspera Rich.", which is an indirect reference to Michaux, Fl. Bor.-Amer. 2:
107 (1803), the text of which was at the time credited to L.C.M. Richard, and where
Calea aspera Jacq. is cited (see Taxonomic Literature 2nd edn, Vol. 3: 459 (1981) for discussion). The name should therefore be cited as
Melanthera aspera (Jacq.) Spreng." (Orchard 2013).