• Korean Journal of Plant Resources
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• v.31 no.5
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• pp.575-589
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• 2018

The purpose of this study is to provide the baseline data for conservation and management of the ecosystem of Gyeongju National Park by surveying and analysing the vascular plants distributed in Mt. Manhongbong (522 m). The vascular plants were surveyed form May 2012 to August 2017. The vascular plants on this site was classified as follow. Based on voucher specimens, the vascular plants of this site consisted of 91 families, 292 genera, 397 species, 4 subspecies, 48 varieties and 8 forms. The 2 taxa of threatened species, 11 taxa of rare plants and 14 taxa of Korean endemic plants were investigated. The specific plants by floristic region were totally 39 taxa, which were 3 taxa of grade V, 5 taxa of grade IV, 2 taxa of grade III, 11 taxa of grade II and 18 taxa of grade I. The naturalized plants were identified as 33 taxa and the percentage of naturalized index (NI) was 7.2%, and urbanized index (UI) was 10.3%, respectively. The invasive alien plants were 2 taxa, such as Ambrosia artemisiifolia L. and Aster pilosus Willd.

• Korean Journal of Plant Resources
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• v.28 no.4
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• pp.441-455
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• 2015

This study was carried out to investigate the flora of Mt. Byeollipsan (Ganghwa-gun). The vascular plants from 13 field surveys were revealed to total of 574 taxa; 116 families, 355 genera, 505 species, 8 subspecies, 52 varieties, 7 forms and 2 hybrids. A high plant diversity were Asteraceae (12.3%), Poaceae (10.6%), Cyperaceae (6.1%), Fabaceae (4.5%) and Rosaceae (4.2%) in regular order. The seven taxa of Korean endemic plants such as Clematis brachyura, Viola seoulensis, Populus × tomentiglandulosa, Salix koriyanagi, Ajuga multiflora f. rosea, Hemerocallis hakuunensis and Polygonatum infundiflorum were collected. The red data of vascular plants according to IUCN valuation basis were examined five taxa; Least Concern (LC) species of both Phacelurus latifolius and Belamcanda chinensis, Not Evaluate (NE) species of Lithospermum arvense, Scorzonera austriaca ssp. glabra and Polygonatum infundiflorum. The floristic regional indicator plants found in this area were 34 taxa comprising one taxa of degree IV, six taxa of degree III, 11 taxa of degree II, and 16 taxa of degree I. In addition, the naturalized plants were identified as 46 taxa and the percent of naturalized index (NI) was 8.0%, Urbanization Index (UI) was 14.3%, respectively.

• Journal of Environmental Science International
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• v.17 no.10
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• pp.1081-1092
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• 2008

This study was conducted to provide scientific information for establishing efficient and systematic measures for nature conservation and management in Manjang-gul lava tube. The number of vascular plants was 204 taxa (82 families, 176 genera, 144 species, 1 subspecies, 26 varieties and 1 forma). Of those, pteridophyte were 5 families, 12 genera, 14 species and 1 variety and gymnosperm were 4 families, 6 genera, 5 species and 1 variety. Seventy three families, 149 genera, 157 species, 1 subspecies, 24 varieties and 1 forma in angiosperm composed of 62 families, 123 genera, 137 species, 1 subspecies, 17 varieties and 1 forma in dicotyledon and 11 families, 26 genera, 20 species and 7 varieties in monocotyledon. The number of naturalized plants was 9 families, 17 genera, 18 species and 3 varieties, totaling 21 taxa.

• Journal of the Korean Society of Environmental Restoration Technology
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• v.11 no.4
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• pp.37-45
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• 2008

The vascular plants of the studied area in Nonsan economical forest growing site appeared to be 341 taxa; 81 families, 218 genera, 290 species, 1 subspecies, 42 varieties and 9 forms. Based on the list of Korean endemic plants, 5 taxa existed; Cephalotaxus koreana, Thalictrum actaefolium, Asperula lasiantha, Populus tomentiglandulosa (Planted species), Paulownia coreana (Planted species). Specific plant species by floral region were total 13 taxa; Cirsium setidens in class III, Potentilla dickinsii in class II, Cephalotaxus koreana, Pinus koraiensis (Planted species), Hosta capitata, Juglans mandshurica, Alnus hirsuta, Quercus variabilis, Ulmus parvifolia, Dictamnus dasycarpus, Gwenia biloba var. parviflora, Vaccinium oldhami, Trigonotis icumae in class I. The naturalized plants in this site were 9 families, 19 genera, 20 species, 1 varieties, 21 taxa and naturalization rate was 6.1% of all 341 taxa vascular plants. The communities were classified into Quercus acutissima community, Pinus densiflora community, Quercus variabilis community, Platycarya strobilacea community, Quercus aliena community of natural forests and Pinus rigida community, Metasequoia glyptostroboides community, Larix leptolepis community of artificial forests.

• Journal of Environmental Science International
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• v.19 no.8
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• pp.1035-1046
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• 2010

The purpose of this study is to investigate distribution of the vegetation and insects of coastal dunes in the Yangyang area. The field survey was carried out Osan and Dongho coastal dunes during the period from June to July 2008. A total of 68 taxa were identified including 30 families, 60 genera, 59 species, and 9 varieties. 1 species(Glehnia littoralis) was recorded as designated rare plant of Korea Forest Service. The naturalized plants were 8 families, 13 species. The urbanization rate of naturalization index was 4.8% and 19.1% respectively. The land insect appeared with the 10 order, 23 families including 10 Korean specific species and 16 environmental indicator species for coastal dune. The species in Order Coleoptera was most, followed by Hemiptera, Orthoptera and Odonata respectively.

• Journal of the Korean Society of Environmental Restoration Technology
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• v.21 no.1
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• pp.41-54
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• 2018

The purpose of this study was to present the fundamental data for conservation and management of wetland ecosystem by surveying and analysing the vascular plants distributed in major wetlands, Gyeongju National Park. The study sites were Tohamsan wetland, Amgok wetland and Namsan wetland. The numbers of vascular plants were summarized as 200 taxa including 70 families, 145 genera, 171 species, 2 subspecies, 23 varieties and 4 forms. The threatened species designated by Ministry of Environment was Utricularia yakusimensis, and the rare plants were 7 taxa including Utricularia yakusimensis, Drosera rotundifolia, Mosla japonica, Utricularia bifida, Pogonia japonica, Utricularia racemosa and Iris ensata var. spontanea. The Korean endemic plants were Lespedeza maritima and Weigela subsessilis. The specific plants by floristic region were 12 taxa including 3 taxa of grade V, 1 taxa of grade IV, 1 taxa of grade III, 2 taxa of grade II and 5 taxa of grade I. The plants with approval for delivering oversea were 9 taxa including Glycine soja, Saussurea pulchella, Habenaria linearifolia and so forth. The naturalized platns were 5 taxa including Rumex obtusifolius, Ambrosia artemisiifolia, Bidens frondosa, Erigeron annuus and Erigeron strigosus, the invasive alien plant was Ambrosia artemisiifolia.

• Korean Journal of Plant Taxonomy
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• v.40 no.4
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• pp.240-246
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• 2010

Two newly naturalized species were recorded from Incheon (Youngjong-do) and Ulsan. Among them, Bidens polylepis S.F. Blake (Asteraceae) was widespread and was found in the following locations: Unbuk bridge, Unbuk-dong, Jung-gu in Incheon, and Chuiseosan, Banggi-ri, Samnam-myeon as well as a Saemmul mountain cabin on Jaeaksan, Sangbuk-myeon in Ulju-gun, Ulsan. Bidens polylepis can be distinguished from congeneric species by its larger ray-flowers. The Korean name of Bidens polylepis was newly formulated based on the characteristic of its yellow ray-flowers and on the Korean name of the genus Bidens (Asteraceae). The other species, numerous populations of Saponaria officinalis L. (Caryophyllaceae) were found in two areas in Jeotgae village, Unseo-dong, Jung-gu, Incheon. Saponaria officinalis can be distinguished from congeneric species in the family by two features, shallow calyx teeth and a petal with appendages at the base of the blade.

• Korean Journal of Plant Resources
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• v.28 no.4
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• pp.475-486
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• 2015

This survey was conducted in order to investigate the vascular plants of Hak Reservoir Valley in the DMZ Area, Korea. The vascular plants were collected six times (from April 2014 to November 2014) and consisted a total of 238 taxa; 69 families, 172 genera, 206 species, 2 subspecies, 26 varieties and 4 forms. The observed rare plant species as designated by Korea Forest Service were 3 taxa including Carex capricornis Meinsh. ex Maxim., Acorus calamus L., Penthorum chinense Pursh. Endemic plant species were 2 taxa including Salix koriyanagi Kimura, Clematis brachyura Maxim. 17 taxa were listed as specific plant species based on phytogeographical in the investigated area. 25 taxa were recorded as naturalized plants, and their Naturalization Ratio and Urbanization Index were recorded as 10.46%, and 7.78%, respectively. Of the 238 taxa listed; 105 were pasturing plants, 92 edible plants, 76 medicinal plants, 24 ornamental plants, 6 stain plants, 4 timber plants, 2 fiber plants, 2 industrial plants and 55 unknown plants.

• Korean Journal of Plant Resources
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• v.25 no.3
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• pp.329-338
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• 2012

Genus Taraxacum has been widely used as a folkloric medicine for treatment of diverse diseases. The genetic diversity and relationship among 32 accessions belonging to five Taraxacum species (T. mongolicum T. coreanum, T. coreanum var. flavescens, T. officinale and T. laevigatum) which collected from field, mountain, island and seaside of Korea were evaluated using ISSR markers. A total of 142 ISSR loci detected in the overall species were all polymorphic loci (100%) and interspecies polymorphisms obtained from Korean native and naturalized species were 98.2% and 94.5%, respectively. The genetic similarity matrix (GSM) among 32 accessions ranged from 0.025 to 0.860 with an average of 0.303. According to the clustering analysis, the Korean native species and naturalized species were divided two major clusters. In addition, the different species were divided into independent groups except for the T. coreanum and T. coreanum var. flavescens, and all the 32 accessions could be classified into 7 categories. The study findings indicate that Taraxacum accessions have a high genetic diversity and the dandelion accessions as breeding materials can be effectively utilized for the improvement of Taraxacum breeding.

• Journal of Species Research
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• v.5 no.1
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• pp.14-21
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• 2016

Recent field and herbarium studies have yielded three vascular plant taxa of the family Poaceae that have been documented in Korea. All of the three species, collected from Jeolla-do and adjacent areas, were introduced and naturalized. Three species are identified as Vulpia bromoides (L.) Gray, Agrostis capillaris L. and Eragrostis pectinacea (Michx.) Nees. We provide the descriptions and descriptive photos of these species. Keys to the newly recorded species and related taxa are also provided.