scented fern vs Mohria caffrorum

scented fern and Mohria caffrorum both are nouns.

Word	Noun	Adjective	Verb	Adverb
scented fern	Yes	No	No	No
Mohria caffrorum	Yes	No	No	No

As nouns, scented fern and Mohria caffrorum are synonyms defined as:

scented fern and Mohria caffrorum: sweetly scented African fern with narrow bipinnate fronds

scented fern (noun)	Mohria caffrorum (noun)
fern of eastern North America with pale green fronds and an aroma like hay	sweetly scented African fern with narrow bipinnate fronds
common perennial aromatic herb native to Eurasia having buttonlike yellow flower heads and bitter-tasting pinnate leaves sometimes used medicinally
sweetly scented African fern with narrow bipinnate fronds