| Name | Polyachyrus rigidus I. M. Johnston |
| Authorship | I. M. Johnston |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Polyachyrus |
| GUID | urn:lsid:ipni.org:names:239130-1 |
| Citation | 1929 Contr. Gray Herb. 85: 171 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Polyachyrus rigidus I. M. Johnston |
| Identification made in | [no date] (2) |
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