中国大陆茜草科一新归化种--双角草

摘要

Diodia virginiana Linn .,a newly naturalized species of Rubiaceae ,was found in Anhui Province . This species ,native to North America ,is a difficult-to-control lawn weed .Therefore ,more attention should be paid to this harmful invasive species in Mainland in the future .%本文报道了分布安徽的茜草科一新归化种---双角草（ Diodia virginiana Linn 。）。双角草原产北美洲，是一种难以控制的草坪杂草，在我国台湾有入侵记录，该种植物有可能成为难以控制的危害入侵种风险。