king fern vs Todea barbara

king fern and Todea barbara both are nouns.

Word	Noun	Adjective	Verb	Adverb
king fern	Yes	No	No	No
Todea barbara	Yes	No	No	No

As nouns, king fern and Todea barbara are synonyms defined as:

king fern and Todea barbara: fern of rain forests of tropical Australia and New Zealand and South Africa

Other synonyms of king fern include crepe fern.

king fern (noun)	Todea barbara (noun)
large deeply rooted fern of worldwide distribution with upright bipinnate compound tufted fronds	fern of rain forests of tropical Australia and New Zealand and South Africa
fern of rain forests of tropical Australia and New Zealand and South Africa