| Name | Ophioglossum gramineum Willdenow | 
| Authorship | Willdenow | 
| Rank | Species | 
| Placed in | Ophioglossum Linnaeus | 
| Citation | 1802 Abh. Kurfürstl.-Mainz. Akad. Nützl. Wiss. Erfurt. 5(2) | 
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Ophioglossum gramineum Willdenow | 
| Identification made in | [no date] (4) | 
