| Bolivia | | | Koyama, T. | 1963 | The genus Scirpus Linn. Critical species of the section Pterolepis | Canad. J. Bot. | 41(7): 1107–1131 |
| Bolivia | Cochabamba | | De la Barra, N. | 1997 | (none) | Reconstr. Evol. Paisaje Veg. Cochabamba | i–v, 1–174 |
| Bolivia | La Paz | | Koyama, T. | 1963 | The genus Scirpus Linn. Critical species of the section Pterolepis | Canad. J. Bot. | 41(7): 1107–1131 |
| Chile | | | Marticorena, C. F. S. & M. Quezada | 1985 | Catálogo de la Flora Vascular de Chile | Gayana, Bot. | 42: 1–157 |
| Chile | | | Koyama, T. | 1963 | The genus Scirpus Linn. Critical species of the section Pterolepis | Canad. J. Bot. | 41(7): 1107–1131 |
| Peru | | | Koyama, T. | 1963 | The genus Scirpus Linn. Critical species of the section Pterolepis | Canad. J. Bot. | 41(7): 1107–1131 |
| Peru | | | Brako, L. & J. L. Zarucchi | 1993 | Catalogue of the flowering plants and gymnosperms of Peru | Monogr. Syst. Bot. Missouri Bot. Gard. | 45: i–xl, 1–1286 |
| Peru | Amazonas | | Brako, L. & J. L. Zarucchi | 1993 | Catalogue of the flowering plants and gymnosperms of Peru | Monogr. Syst. Bot. Missouri Bot. Gard. | 45: i–xl, 1–1286 |
| Peru | Ancash | | Brako, L. & J. L. Zarucchi | 1993 | Catalogue of the flowering plants and gymnosperms of Peru | Monogr. Syst. Bot. Missouri Bot. Gard. | 45: i–xl, 1–1286 |
| Peru | Cusco | | Koyama, T. | 1963 | The genus Scirpus Linn. Critical species of the section Pterolepis | Canad. J. Bot. | 41(7): 1107–1131 |
| Peru | Cusco | | Brako, L. & J. L. Zarucchi | 1993 | Catalogue of the flowering plants and gymnosperms of Peru | Monogr. Syst. Bot. Missouri Bot. Gard. | 45: i–xl, 1–1286 |
| Peru | Junín | | Brako, L. & J. L. Zarucchi | 1993 | Catalogue of the flowering plants and gymnosperms of Peru | Monogr. Syst. Bot. Missouri Bot. Gard. | 45: i–xl, 1–1286 |
| Peru | La Libertad | | Brako, L. & J. L. Zarucchi | 1993 | Catalogue of the flowering plants and gymnosperms of Peru | Monogr. Syst. Bot. Missouri Bot. Gard. | 45: i–xl, 1–1286 |
| Peru | Puno | | Koyama, T. | 1963 | The genus Scirpus Linn. Critical species of the section Pterolepis | Canad. J. Bot. | 41(7): 1107–1131 |
| Peru | Puno | | Brako, L. & J. L. Zarucchi | 1993 | Catalogue of the flowering plants and gymnosperms of Peru | Monogr. Syst. Bot. Missouri Bot. Gard. | 45: i–xl, 1–1286 |
| Peru | San Martín | | Brako, L. & J. L. Zarucchi | 1993 | Catalogue of the flowering plants and gymnosperms of Peru | Monogr. Syst. Bot. Missouri Bot. Gard. | 45: i–xl, 1–1286 |