This hub compares 2 species records. Across all 2 records, it carries 8 evidence rows from 2 distinct cited sources. The species split is 2 awaiting directional evidence. The species records remain separate: their evidence does not become one verdict for the genus.
Plant forms recorded in this group: grass. The records span published USDA zones 4–4. These are record-level fields, not a whole-genus flammability claim.
More about Avena: Wikipedia
— external references; not evidence sources.