resurrection plant vs crucifer

resurrection plant and crucifer both are nouns.

Word	Noun	Adjective	Verb	Adverb
resurrection plant	Yes	No	No	No
crucifer	Yes	No	No	No

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

resurrection plant: small grey Asiatic desert plant bearing minute white flowers that rolls up when dry and expands when moist
crucifer: any of various plants of the family Cruciferae

Other hypernyms of resurrection plant include cruciferous plant.

resurrection plant (noun)	crucifer (noun)
small grey Asiatic desert plant bearing minute white flowers that rolls up when dry and expands when moist	any of various plants of the family Cruciferae
densely tufted fern ally of southwestern United States to Peru; curls up in a tight ball when dry and expands and grows under moist conditions