共 11 条
[2]
BOKE MH, 1941, AM J BOT, V28, P656
[3]
CHAKRAVARTI S C, 1950, Curr Sci, V19, P319
[4]
JOHNSON MARION A., 1951, PHYTOMORPHOLOGY [DELHI], V1, P188
[5]
MAJUMDAR G. P., 1948, PROC INDIAN ACAD SCI SECT B, V28, P83
[8]
Philipson W. R., 1947, JOUR LINN SOC [LONDON] BOT, V53, P187