석불산 일대의 관속식물 분포와 군락 분류

Abstract

- The vascular plants of the studied area in the Mt. Seokbul appeared to be 342 taxa; 96 families, 249 genera,293 species, 2 subspecies, 43 varieties and 3 forms and 1 cultivar. Based on the list of the rare plants by the ForestResearch Institute, 2 taxa existed in the studied areas; Lloydia triflora(Preservation priority order; No. 169),Aristolochia contorta(No. 151) and based on the list of Korean endemic plants, 7 taxa existed; Cephalotaxus koreana,Carex okamotoi, Populus tomentiglandulosa(Planted species), Indigofera koreana, Weigela subsessilis. Rhododendronyedoensevar. poukhanense, Forsythia koreana(Planted species). Specific plant species by floral region were total 18taxa; Wistaria floribunda(Planted species) in class Ⅳ, Lloydia triflora, Acer palmatumin class Ⅲ, 15 taxa(Cephalotaxus koreana, Quercus variabilis, Ulmus parvifolia, Aristolochia contorta, Pyrus ussuriensis, etc.) in class Ⅰ.The naturalized plants in this site were 11 families, 26 genera, 32 species, 2 varieties, 34 taxa, and naturalization rate was9.9% of all 342 taxa vascular plants. The plant communities in the Mt. Seokbul were classified as; Pinus densifloracommunity (No. 1, 3, 4) and Pinus thunbergiicommunity (No. 2).Key words - Endemic plants, Naturalized plants, Rare plants, Specific plant species, Plant community