STUDIES ON FOSSIL AZOLLA . PRIMITIVE TYPES OF MEGASPORES AND MASSULAE FROM CRETACEOUS

被引：21

作者：

HALL, JW

机构：

来源：

关键词：

D O I：

10.2307/2440779

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

引用

页码：1173 / &

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