共 5 条
[1]
GAGER CS, 1902, ANN BOT, V16, P124
[2]
GEITLER L, 1935, PLANTA, V24, P361
[3]
HARPER RA, 1918, B TORREY BOT CLUB, V17, P210
[4]
SAX KARL, 1935, JOUR ARNOLD ARBORETUM, V16, P301
[5]
WODEHOUSE RR, 1935, POLLEN GRAINS