Assertion: tree fern | /r/HasProperty | members of the family
Facets:
value: in the division
type: LOCATION
value: primarily
type: DEGREE
Source sentences:
text: Australian tree ferns (Sphaeropteris cooperi and also known as Cyathea cooperi) are members of the family Cyatheaceae.
text: Tree ferns are primarily members of the families Cyatheaceae (five genera) and Dicksoniaceae (three genera) in the division Polypodiophyta.