A pityoxylon from Yellowstone National Park

被引:3
作者
Conard, HS [1 ]
机构
[1] Grinnell Coll, Grinnell, IA USA
关键词
D O I
10.2307/2435699
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
引用
收藏
页码:547 / 553
页数:7
相关论文
共 5 条
[1]  
FELIX J, 1896, Z DTSCH GEOL GES, P250
[2]  
KNOWLTON FH, 1921, FOSSIL FORESTS YELLO
[3]  
KNOWLTON FH, 1999, US GEOL SURV MONOGR, V32, P651
[4]  
Penhallow D.P, 1907, MANUAL N AM GYMNOSPE MANUAL N AM GYMNOSPE
[5]  
TORREY RE, 1923, MEM BOST SOC NAT HIS, V6, P40