Chi Nassella gồm các loài:

• Nassella airoides (E.Ekman) Barkworth
• Nassella ancoraimensis F.Rojas
• Nassella arcaensis (Speg.) Torres
• Nassella arcuata (R.E.Fr.) Torres
• Nassella arechavaletae (Speg.) Barkworth
• Nassella argentinensis (Speg.) Peñail.
• Nassella asplundii Hitchc.
• Nassella ayacuchensis (Tovar) Barkworth
• Nassella brachychaetoides (Speg.) Barkworth
• Nassella brachyphylla (Hitchc.) Barkworth
• Nassella brasiliensis (A.Zanín & Longhi-Wagner) Peñail.
• Nassella cabrerae Torres
• Nassella carettei (Hauman) Torres
• Nassella catamarcensis Torres
• Nassella cernua (Stebbins & Love) Barkworth
• Nassella chaparensis F.Rojas
• Nassella charruana (Arechav.) Barkworth
• Nassella chilensis (Trin.) E. Desv.
• Nassella clarazii (Ball) Barkworth
• Nassella coquimbensis (Matthei) Peñail.
• Nassella cordobensis (Speg.) Barkworth
• Nassella crassiflora (Roseng. & B.R.Arrill.) Barkworth
• Nassella curamalalensis (Speg.) Barkworth
• Nassella curviseta (Hitchc.) Barkworth
• Nassella dasycarpa (Hitchc.) Torres
• Nassella depauperata (Pilg.) Barkworth
• Nassella duriuscula (Phil.) Barkworth
• Nassella elata (Speg.) Torres
• Nassella entrerriensis (Burkart) Peñail.
• Nassella fabrisii Torres
• Nassella famatinensis Torres
• Nassella filiculmis (Delile) Barkworth
• Nassella formicarum (Delile) Barkworth
• Nassella gibba (Phil.) Muñoz-Schick
• Nassella gigantea (Steud.) Muñoz-Schick
• Nassella glabripoda Torres
• Nassella hirtifolia (Hitchc.) Barkworth
• Nassella holwayii (Hitchc.) Barkworth
• Nassella huallancaensis (Tovar) Barkworth
• Nassella hunzikeri (Caro) Barkworth
• Nassella hyalina (Nees) Barkworth
• Nassella ibarrensis (Kunth) Laegaard (non Peñail.)
• Nassella inconspicua (J.Presl) Barkworth
• Nassella juergensii (Hack.) Barkworth
• Nassella juncea Phil. syn. Nassella chilensis var. juncea (Phil.)Muñoz-Schick
• Nassella lachnophylla (Trin.) Barkworth
• Nassella laevissima (Phil.) Barkworth
• Nassella lepida (Hitchc.) Barkworth
• Nassella leptocoronata (Roseng. & B.R.Arrill.) Barkworth
• Nassella leptothera (Speg.) Torres
• Nassella leucotricha (Trin. & Rupr.) R.W.Pohl in Barkworth
• Nassella linearifolia (E.Fourn.) R.W.Pohl
• Nassella longicoronata (Roseng. & B.R.Arrill.) Barkworth
• Nassella longiglumis (Phil.) Barkworth
• Nassella macrathera (Phil.) Barkworth
• Nassella manicata (E.Desv.) Barkworth
• Nassella megapotamica (Spreng. ex Trin.) Barkworth
• Nassella melanosperma (J.Presl) Barkworth
• Nassella mexicana (Hitchc.) R.W.Pohl in Barkworth
• Nassella meyeniana (Trin. & Rupr.) Parodi
• Nassella meyeri Torres
• Nassella mucronata (Kunth) R.W.Pohl in Barkworth
• Nassella nardoides (Phil.) Barkworth
• Nassella neesiana (Trin. & Rupr.) Barkworth
• Nassella nidulans (Mez) Barkworth
• Nassella niduloides (Caro) Barkworth
• Nassella novarae Torres
• Nassella nubicola (Speg.) Torres
• Nassella nutans (Hack.) Barkworth
• Nassella pampagrandensis (Speg.) Barkworth
• Nassella pampeana (Speg.) Barkworth
• Nassella paramilloensis (Speg.) Torres
• Nassella parodii (Matthei) Barkworth
• Nassella parva Torres
• Nassella pauciciliata (Roseng. & Izag.) Barkworth
• [[Nassella pfisteri (Matthei) Barkworth
• Nassella philippii (Steud.) Barkworth
• Nassella planaltina (A.Zanín & Longhi-Wagner) Peñail.
• Nassella poeppigiana (Trin. & Rupr.) Barkworth
• Nassella pseudopampagrandensis (Caro) Barkworth
• Nassella psittacorum (Speg.) Peñail.
• Nassella pubiflora (Trin. & Rupr.) E. Desv. in Gay
• Nassella pulchra ((Hitchc.) Barkworth
• Nassella punensis Torres
• Nassella pungens E.Desv. in Gay
• Nassella ragonesei Torres
• Nassella rhizomata (A. Zanín & Longhi-Wagner) Peñail.
• Nassella rosengurttii (Chase) Barkworth
• Nassella rupestris (Phil.) Torres
• Nassella sanluisensis (Speg.) Barkworth
• Nassella sellowiana (Nees ex Trin. & Rupr.) Peñail.
• Nassella smithii (Hitchc.) Barkworth
• Nassella soukupii (Tovar) Barkworth
• Nassella spegazzinii (Arechav.) Barkworth
• Nassella stuckertii (Hack.) Barkworth
• Nassella subnitida (Roseng. & B. R. Arill.) Barkworth
• Nassella tenuiculmis (Hack.) Peñail.
• Nassella tenuis (Phil.) Barkworth
• Nassella tenuissima (Trin.) Barkworth
• Nassella torquata (Speg.) Barkworth
• [[Nassella trachyphylla Henrard
• Nassella trichotoma (Nees) Hack. ex Arechav.
• Nassella tucumana (Parodi) Torres
• Nassella uspallatensis (Speg.) Torres
• Nassella vallsii (A. Zanín & Longhi-Wagner) Peñail.
• Nassella ventanicola (Cabrera & Torres) Barkworth
• Nassella viridula (Trin.) Barkworth
• Nassella wurdackii (Tovar) Barkworth
• Nassella yaviensis Torres