| 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) |