Quick Quiz: Nouns Score: Change category, Flip order Reset Incorrect! Try again. Noun: genus amelanchier Your choice? genus of terrestrial or lithophytic ferns having pinnatifid almost skeletonlike fronds; chiefly of tropical America   (Noun: genus anemia) type genus of the family Anomalopidae   (Noun: genus anomalops) North American deciduous trees or shrubs a genus of echinoderms of the family Antedonidae; formerly called genus Comatula