| Name | Myrionema foecundum f. majus Setchell & N. L. Gardner |
| Authorship | Setchell & N. L. Gardner |
| Rank | Forma |
| Placed in | Myrionema foecundum (Strömfelt) Sauvageau |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Myrionema foecundum f. majus Setchell & N. L. Gardner |
| Identification made in | [no date] (1) |