| Name | Phyllanthus carolinensis subsp. guianensis (Klotzsch) G. L. Webster |
| Authorship | (Klotzsch) G. L. Webster |
| Rank | Subspecies |
| Placed in | Phyllanthus carolinensis Walter |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Phyllanthus carolinensis subsp. guianensis (Klotzsch) G. L. Webster |
| Identification made in | 2012 (1) |