| Name | Carex echinata subsp. phyllomanica (W. Boott) Reznicek |
| Authorship | (W. Boott) Reznicek |
| Rank | Subspecies |
| Placed in | Carex echinata Murray |
| Citation | 1980 Contr. Univ. Michigan Herb. 14: 195 |
| Holdings | 32 Specimens held in the Harvard University Herbaria identified as Carex echinata subsp. phyllomanica (W. Boott) Reznicek |
| Identification made in | [no date] (32) |