SPERMOPTERIS, A NEW GENUS OF PTERIDOSPERMS FROM THE UPPER PENNSYLVANIAN SERIES OF KANSAS

被引:32
作者
CRIDLAND, AA
MORRIS, JE
机构
关键词
D O I
10.2307/2446582
中图分类号
Q94 [植物学];
学科分类号
071001 ;
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页码:855 / 859
页数:5
相关论文
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