INVESTIGATIONS OF NORTH-AMERICAN CYCADEOIDS - EARLY OVULE ONTOGENY

被引：26

作者：

CREPET, WL

DELEVORYAS, T

机构：

来源：

关键词：

D O I：

10.2307/2441403

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

引用

页码：209 / +

页数：1

共 8 条

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[2]

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[4] Some observations on Welwitschia muabilis, Hooker, f [J].

Pearson, HW .

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[5] SEED FROM UPPER DEVONIAN [J].

PETTITT, JM ;

BECK, CB .

[6]

PETTITT JM, 1968, MUS PALEONTOL U MICH, V22, P139

[7] A petrified Williamsonia from Scotland [J].

Seward, AC .

PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY OF LONDON SERIES B-CONTAINING PAPERS OF A BIOLOGICAL CHARACTER, 1913, 203 :101-U28

[8]

TREUB M, 1885, ANN JARD BOT BUITENZ, V2, P32