Investigation and comparison of pollen grains have been made for four genera of Compositae from Tibet and Barrow, Arctic, namely Artemisia L., Erigeron L., Saussurea DC., and Senecio L.

• 对西藏和北极巴罗地区菊科4个属（蒿属、飞蓬属、风毛菊属和千里光属）17个种的花粉形态进行了光学和扫描电子显微镜的观察、比较。