化石及现生真蕨类植物的根系:形态演化及古环境意义*
刘璐1, 刘乐2, 王德明1, 薛进庄1

Roots of fossil and extant ferns: Morphological evolution and paleoenvironmental implications
Liu Lu1, Liu Le2, Wang De-Ming1, Xue Jin-Zhuang1
里白科代表属种的根系 A— Dicranopteris ampla Ching et Chiu,标本号PE00233994,比例尺: 20 mm;B— Dicranopteris dichotoma (Thunb.)Bernh.,标本号PE00234158,比例尺: 20 mm;C— Dicranopteris linearis (Burm. f.)Underw.,标本号PE234223,比例尺: 10 mm;D— Calymella squamosissima Nakai,标本号PE01623521,比例尺: 10 mm。标本收藏于中国科学院植物研究所植物标本馆