| Name | Geissorhiza bicolor var. macowanii R. C. Foster |
| Authorship | R. C. Foster |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Geissorhiza bicolor (Thunberg) N. E. Brown |
| Citation | 1941 Contr. Gray Herb. 135: 33 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Geissorhiza bicolor var. macowanii R. C. Foster |
| Identification made in | [no date] (1) |