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Cattails
Every rated Typha record is fire-resistant — 1 of 2 records; none is condemned. These counts describe the cited records — 2 records carrying 2 evidence rows from 2 cited sources; they do not make one verdict for the genus.
Fire-resistant
1 species
Awaiting evidence
1 species
About cattails
Corpus context. Typha is the directory's #542 largest of 550 genus groups: 2 records carrying 2 evidence rows from 2 cited sources, recorded as perennial , hardy across USDA zones 3–3. Those are corpus facts, not a whole-genus flammability claim.
More about Typha: Wikipedia — external references; not evidence sources.