瘤突苍耳入侵的种子生态学机制
曲波1, 荀挚峰2, 许玉凤1

The seed ecological mechanism of Xanthium strumarium invasion
QU Bo1, XUN Zhi-feng2, XU Yu-feng1
瘤突苍耳与苍耳自交及互交果实百粒重