| Name | Phrygilanthus falcatus var. macrocalyx Rusby |
| Authorship | Rusby |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Phrygilanthus falcatus Rusby |
| GUID | urn:lsid:ipni.org:names:194407-2 |
| Citation | 1927 Mem. New York Bot. Gard. 7: 234 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Phrygilanthus falcatus var. macrocalyx Rusby |
| Identification made in | [no date] (1) |
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