Meaning of ORDER PSILOTALES

WordNet Dictionary
	Definition:		[n]  lower vascular plants having dichotomously branched sporophyte divided into aerial shoot and rhizome and lacking true roots
	Synonyms:		Psilotales
	See Also:		class Psilopsida, class Psilotatae, family Psilotaceae, plant order, Psilopsida, Psilotaceae, Psilotatae