Psilotales vs order Psilotales

Psilotales and order Psilotales both are nouns.

Word	Noun	Adjective	Verb	Adverb
Psilotales	Yes	No	No	No
order Psilotales	Yes	No	No	No

As nouns, Psilotales and order Psilotales are synonyms defined as:

Psilotales and order Psilotales: lower vascular plants having dichotomously branched sporophyte divided into aerial shoot and rhizome and lacking true roots

Psilotales (noun)	order Psilotales (noun)
lower vascular plants having dichotomously branched sporophyte divided into aerial shoot and rhizome and lacking true roots	lower vascular plants having dichotomously branched sporophyte divided into aerial shoot and rhizome and lacking true roots