| Name | Brunfelsia brasiliensis subsp. macrocalyx (Dusén) Plowman |
| Authorship | (Dusén) Plowman |
| Rank | Subspecies |
| Placed in | Brunfelsia brasiliensis (Sprengel) L. B. Smith & Downs |
| Citation | 1998 Fieldiana, Bot. 39: 66 |
| Holdings | 11 Specimens held in the Harvard University Herbaria identified as Brunfelsia brasiliensis subsp. macrocalyx (Dusén) Plowman |
| Identification made in | [no date] (11) |