共 29 条
[1]
BAKER FS, 1925, J FOREST, V23, P630
[3]
Bates CG, 1923, J AGR RES, V24, P97
[4]
BILLINGS W. D., 1938, ECOL MONOGR, V8, P437, DOI 10.2307/1943541
[6]
Cain S. A., 1934, AM MIDL NAT, V15, P529, DOI DOI 10.2307/2419922
[7]
CAIN STANLEY A., 1938, AMER MIDI NAT, V19, P573, DOI 10.2307/2420468
[9]
COULTER JM, 1909, NEW MANUAL BOTANY CE
[10]
DARTON GD, 1905, 32 US GEOL SURV PROF