| Reference no. | Description | year | Name used | Page |
|---|---|---|---|---|
| 98873 | Tsuda, R.T. 2002 Checklist of the marine benthic algae from the Palau Archipelago based on past references. Palau International Coral Reef Center, PICRC Publication 02-019, p. 21. | 2002 | Polysiphonia upolensis | 17 |
| 81398 | Lobban, C.S. and R.T. Tsuda 2003 Revised checklist of benthic marine macroalgae and seagrasses of Guam and Micronesia. Micronesica 35/36:54-99. | 2003 | Polysiphonia upolensis | 79 |