| Name | Dicranopteris linearis var. alternans (Mettenius) Holttum |
| Authorship | (Mettenius) Holttum |
| Rank | Variety |
| Placed in | Dicranopteris linearis (N. L. Burman) Underwood |
| Citation | 1957 Reinwardtia 4: 278 |
| Holdings | 8 Specimens held in the Harvard University Herbaria identified as Dicranopteris linearis var. alternans (Mettenius) Holttum |
| Identification made in | [no date] (7), 1959 (1) |