Venus maidenhair vs common maidenhair

Venus maidenhair and common maidenhair both are nouns.

Word	Noun	Adjective	Verb	Adverb
Venus maidenhair	Yes	No	No	No
common maidenhair	Yes	No	No	No

As nouns, Venus maidenhair and common maidenhair are synonyms defined as:

Venus maidenhair and common maidenhair: delicate maidenhair fern with slender shining black leaf stalks; cosmopolitan

Other synonyms of Venus maidenhair include Adiantum capillus-veneris, southern maidenhair, Venus'-hair fern, Venushair.

Venus maidenhair (noun)	common maidenhair (noun)
delicate maidenhair fern with slender shining black leaf stalks; cosmopolitan	delicate maidenhair fern with slender shining black leaf stalks; cosmopolitan