| Name | Cryptonemia lactuca (C. Agardh) J. Agardh |
| Authorship | (C. Agardh) J. Agardh |
| Rank | Species |
| Placed in | Cryptonemia J. Agardh |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Cryptonemia lactuca (C. Agardh) J. Agardh |
| Identification made in | [no date] (2) |