Synonyms
Aristida megapotamica var. brevipes Henrard
Chaetaria megapotamica (Spreng.) Schult. & Schult.f.
Aristida megapotamica var. longipes Henrard
Aristida implexa var. fertilis Döll
Aristida paraguayensis Lindm.
Aristida implexa var. sterilis Döll
Arthratherum megapotamicum (Spreng.) Nees ex Trin.
Aristida sellowii Mez
Aristida implexa Trin.
Aristida megapotamica var. genuina Henrard