New Invasive and New Distribution Species of Spermatophyte in Yunnan

Abstract

Two invasive species,Gymnocoronis spilanthoides and Cyclospermum leptophyllum,as well as two new distribution species,Primula nutantiflora and Allium aciphyllum are recorded for the first time from Yunnan Province. The harmfulness and controlling of Gymnocoronis spilanthoides and Cyclospermum leptophyllum are also disscussed in this paper.