black tree fern is a noun meaning "a showy tree fern of New Zealand and Australia having a crown of pinnated fronds with whitish undersides". It carries one recorded sense.
a showy tree fern of New Zealand and Australia having a crown of pinnated fronds with whitish undersides
Definitions, synonyms and semantic relations for black tree fern come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.