Ophioglossales vs plant order

Ophioglossales and plant order both are nouns.

Word	Noun	Adjective	Verb	Adverb
Ophioglossales	Yes	No	No	No
plant order	Yes	No	No	No

As nouns, plant order is a hypernym of Ophioglossales; that is, plant order is a word with a broader meaning than Ophioglossales:

Ophioglossales (noun)	plant order (noun)
coextensive with the family Ophioglossaceae	the order of plants