共 12 条
[1]
ANDERSEN RN, 1968, WEED SCI SOC AM
[2]
BELL RA, 1962, 364 RHOD ISL AGR EXP
[4]
DAY BE, 1955, 751 CAL AGR EXP STA
[7]
Lawrence G. H. M., 1951, TAXONOMY VASCULAR PL
[8]
SMITH E. V., 1942, JOUR AMER SOC AGRON, V34, P151
[9]
SMITH EV, 1939, J AM SOC AGRON, V30, P18