The plants whose remains occur as fossils in coal measures; a group of plants from which a (type of) coal deposit was formed.
Mid 19th century; earliest use found in John Lindley (1799–1865), botanist and horticulturist.
英语词典包含464360条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。