• Korean Journal of Plant Resources
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• v.29 no.5
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• pp.604-619
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• 2016

This study is aimed at identifying the distribution of vascular plants growing at Byeollipsan(Mt.), Bongchunsan (Mt.) and Gucksoosan(Mt.) in Ganghwa isand. Field surveys were conducted for each season from March 2015 to October 2015. The flora of study area were found to be of 455 taxa, 93 families, 280 genus, 392 species, 4 subspecies, 53 varieties and 6 forma. Rare plants were found to be of 3 taxa. Among them, rare plant species consisted of endangered species (EN degree):1 (Thalictrum simlex var. brevipes Hara), vulnerable species (VU degree): 2 (Wikstroemia trichotoma (Thunb.) Makino, Scorzonera albicaulis Bunge), respectively. In all the surveyed areas, a total of 6 taxa (Clematis brachyura Maxim. etc.) were found to be endemic to Korea. The floristic special plants found in the surveyed areas were 1 taxa of grade Ⅴ, 4 taxa of grade Ⅳ and 8 taxa of grade Ⅲ, respectively. The naturalized plants were identified as 29 taxa and included Fallopia dumetorum (L.) Holub, Ambrosia artemisiifolia L., Aster pilosus Willd. etc..