common maidenhair vs southern maidenhair

common maidenhair and southern maidenhair both are nouns.

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

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

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

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

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