| Name | Mucoa duckei (Markgraf) Zarucchi | 
| Authorship | (Markgraf) Zarucchi | 
| Rank | Species | 
| Placed in | Mucoa Zarucchi | 
| Citation | 1988 Agric. Univ. Wageningen Pap. 87(1): 42 | 
| Holdings | 11 Specimens held in the Harvard University Herbaria identified as Mucoa duckei (Markgraf) Zarucchi | 
| Identification made in | [no date] (2), 1981 (6), 1989 (1), 1990 (2) |