hydrophyte vs vascular plant

hydrophyte and vascular plant both are nouns.

Word	Noun	Adjective	Verb	Adverb
hydrophyte	Yes	No	No	No
vascular plant	Yes	No	No	No

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

hydrophyte: a plant that grows partly or wholly in water whether rooted in the mud, as a lotus, or floating without anchorage, as the water hyacinth
vascular plant: green plant having a vascular system: ferns, gymnosperms, angiosperms

Other hypernyms of hydrophyte include tracheophyte.

hydrophyte (noun)	vascular plant (noun)
a plant that grows partly or wholly in water whether rooted in the mud, as a lotus, or floating without anchorage, as the water hyacinth	green plant having a vascular system: ferns, gymnosperms, angiosperms