Career
In scholarly works his name is generally romanised as "Eizi Matuda" following the "Kunrei" system. In 1956, a species of cactus native to Mexico was named in his honor, the Mammillaria matudae. The genus Matudina in the sunflower family is also named in his honor.
Two species and one subspecies of reptiles are named in his honor: Abronia matudai (Matuda"s arboreal alligator lizard), Anolis matudai (Matuda"s anole), and Pseudelaphe flavirufa matudai (Matuda"s ratsnake).