Avenastrum insubricum (Asch. & Graebn.) Fritsch = Helictotrichon pubescens (Huds.) Schultes & Schultes f.
English:
insubricus,-a,-um;

https://archive.org/stream/#page/58/mode/2up
homotypic synonyms:
Avena insubrica (Asch. & Graebn.) Dalla Torre & Sarnth.; Avena laevigata var. insubrica Asch. & Graebn.;

protologue: Excursionsfl. Oesterreich, ed. 2 : 58 (1909)

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