| Name | Wendlandia luzoniensis var. williamsii (Merrill) J. H. Cowen |
| Authorship | (Merrill) J. H. Cowen |
| Rank | Variety |
| Placed in | Wendlandia luzoniensis de Candolle |
| Citation | 1934 Notes Roy. Bot. Gard. Edinburgh 18: 188 |
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Wendlandia luzoniensis var. williamsii (Merrill) J. H. Cowen |
| Identification made in | [no date] (6) |