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Hawthorns
Every rated Crataegus record is fire-resistant — 10 of 14 records, including the genus rated as a group; none is condemned. These counts describe the cited records — 14 records carrying 54 evidence rows from 23 cited sources; they do not make one verdict for the genus.
Rated as a group: Hawthorn Crataegus Fire-resistant Consensus 12 sources rate the genus as a
whole. Species evidence never rolls upward into a genus verdict, and genus claims never
override a species record.
› Fire-resistant
9 species
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Washington hawthorn Fire-resistant Crataegus phaenopyrum - Espino albar Fire-resistant Crataegus monogyna
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Cockspur hawthorn Fire-resistant Crataegus crus-galli -
Winter King green hawthorn Fire-resistant Crataegus viridis 'Winter King' -
Douglas Hawthorne Fire-resistant Crataegus douglasii -
Downy Hawthorn Fire-resistant Crataegus mollis -
Lavelle Hawthorn Fire-resistant Crataegus x lavallei -
Dotted Hawthorn Fire-resistant Crataegus punctata -
May hawthorn Fire-resistant Crataegus aestivalis
Awaiting evidence
4 species
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Chinese Hawberry Awaiting evidence Crataegus pinnatifida -
Columbia Hawthorne Awaiting evidence Crataegus columbiana -
English Hawthorne Awaiting evidence Crataegus rhipidophylla -
Fairy Thorn Awaiting evidence Crataegus nitida
About hawthorns
Corpus context. Crataegus is the directory's #31 largest of 550 genus groups: 14 records carrying 54 evidence rows from 23 cited sources, recorded as tree, shrub , hardy across USDA zones 2–7. Those are corpus facts, not a whole-genus flammability claim.
More about Crataegus: Wikipedia — external references; not evidence sources.