Hierochloe australis is a species of flowering plant belonging to the family Poaceae.

Synonyms: Anthoxanthum australe (Schrad.) Veldkamp Avena odorata var. aristata Lam. & DC. Hierochloe aristata Wulfen Hierochloe odorata var. aristata (Lam. & DC.) Fiori Holcus australis Schrad.

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