共 40 条
[1]
ANDREWS H. N., 1939, AMER MIDLAND NAT, V21, P454, DOI 10.2307/2420547
[5]
BROWN HP, 1940, COMMERCIAL TIMBERS U, V1, P1
[6]
DISTINGUISHING CHARACTERS OF NORTH AMERICAN SYCAMORE WOODS
[J].
BOTANICAL GAZETTE,
1917, 64 (06)
:480-+
[8]
CHANEY RALPH W., 1951, TRANS AMER PHIL SOC, V40, P171
[10]
DORF ERLING, 1936, CARNEGIE INST WASHINGTON PUBL, V476, P73