| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Udotea spinulosa M.Howe | M. A. Howe 3272 17 Apr 1904 | Bahamas. Bemini Harbor, sandy bottom near low-wter mark. | photo of holotype | 00887578 | |
| Udotea spinulosa M.Howe | D. S. Littler D&ML67574 with M.M. Littler & B.L. Brooks, 13 Jan 2006 | Bonaire, Sint Eustatius and Saba. Saba. Saba Bank. Field of Greens, Saba # 130102. | |||
| Udotea spinulosa M.Howe | L. R. Almodóvar | V. M. Rosado | F. A. Pagán | J. J. Irizarry 5601 with Captain Felix, 10 Apr 1967 | Puerto Rico. Lajas. Parguera Barrio. off Margarita Reef. | 02112311 | ||
| Udotea spinulosa M.Howe | E. A. Graham 24 31 Jul 1962 | Jamaica. Maiden Cay, Port Royal Cays. | 02112312 | ||
| Udotea spinulosa M.Howe | M. A. Howe 3272 17 Apr 1904 | Bahamas. Bemini Harbor, sandy bottom near low-wter mark. | holotype | 00887577 | |
| Udotea spinulosa M.Howe | W. R. Taylor s.n. 11 Jun 1925 | United States of America. Florida. Southeast Channel, Station 211. | 02112310 |