| Name | Leptodactylon watsonii (A. Gray) Rydberg | 
| Authorship | (A. Gray) Rydberg | 
| Rank | Species | 
| Placed in | Leptodactylon Hooker & Arnott | 
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Leptodactylon watsonii (A. Gray) Rydberg | 
| Identification made in | [no date] (1), 1983 (3) | 
