| Name | Biatorella simplex f. complicata (Crombie) Sandstede |
| Authorship | (Crombie) Sandstede |
| Rank | Forma |
| NomenclaturalStatus | NomLeg |
| Placed in | Biatorella simplex (Davies) Branth & Rostrup |
| Citation | 1912 Abh. Naturwiss. Vereins Bremen 21(1): 139 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Biatorella simplex f. complicata (Crombie) Sandstede |
| Identification made in | [no date] (2) |