On the scientific name of "Numehanori", a delesseriacean red alga.

The article presents information on the scientific name of a delesseriacean red alga "Numehanori." "Numehanori" in Japanese is distributed in Hokkaido and northern Honshu and was first described by researcher W.H. Harvey from Hakodate as Delesseria serrulata. Later, the alga was renamed as Delesseria violacea by researcher J.G. Agardh and then combined with Apoglossum as A.violaceum by J. Agardh. Nomenclatural investigation of the papers concerned revealed that the correct name of "Numehanori" is Delesseria serrulata.