A list of 128 references and historical materials that did not list Pistia stratiotes

These references were used in Yamanouchi (2023) (https://doi.org/10.18960/hozen.2231) to identify historical distribution records of Pistia in Japan. References with information on the presence of Pistia were listed in the text. References are arranged in chronological order of publication or writing, with those with unknown publication dates placed last.