RESUMEN
Jeju Island, due to its position at the southern tip of the Korean Peninsula in Northeast Asia, is a on the unique enclave of the many southern elements in the area and features a mixture of subtropical, temperate, boreal, and arctomontane taxa. Among the arctomontane species recorded in this study was Anthelia juratzkana; among the temperate species was Dactyloradula brunnea, and subtropical species were Cavicularia densa, Pallavicinia subciliata, Wiesnerella denudata, and Megaceros flagellaris. A valuable species as first recorded for the Jeju Island is Cryptocoleopsis imbricata. The distribution patterns of these species suggest that the flora of Jeju Island is a meeting place between boreal and subtropical floras. We recorded 222 taxa belonging to 45 families, 80 genera, 209 species, 9 subspecies, and 4 varieties. Among these, 86 species are reported as new to the flora of Jeju Island. A checklist based on a study of 1697 specimens is also provided.
RESUMEN
We completed chloroplast genome of Douinia plicata (Lindb.) Konstant. & Vilnet., presenting morphological features including denticulate leaf margin, verrucose cuticle on base of leaves, and 80-100° keel angle with stem at the midleaf. It is 118,797 bp long (GC ratio is 33.9%) and has four subregions: 81,142 bp of large single copy (31.9%) and 19,611 bp of small single copy (31.0%) regions are separated by 9,017 bp of inverted repeat (46.3%) regions including 130 genes (86 protein-coding genes, eight rRNAs, and 36 tRNAs). Phylogenetic trees show D. plicata is clustered with two Scapania species.