the plants of a particular area, type of environment or period of time （某地区、环境或时期的）植物群，植物区系 alpine flora 高山植物群 rare species of flora and fauna (= plants and animals) 动植物的罕见物种
Oxford Collocations DictionaryFlora is used after these nouns:- gut
Word Originlate 18th cent.: from Latin flos, flor- ‘flower’.