• Korean Journal of Plant Resources
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• v.28 no.4
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• pp.419-440
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• 2015

This study was carried out to investigate the flora of indigenous habitat of Simjeok forest wetland, Mt. Jeombomg forest wetland, Mt. Sohwangbyung forest wetland, Jilmoi-neup, and Mt. Myeon forest wetland in Gangwon Province. The vascular plants were summarized as 547 taxa; 92 families, 296 genera, 468 species, 4 subspecies, 67 varieties, 8 forms. The plants that are specially noteworthy are 17 taxa of Korean endemic plants, 3 taxa of Critical Endangered Species (CR), 4 taxa of Endangered Species (EN), 8 taxa of Vulnerable Species (VU) and 17 taxa of Least Concemed Species (LC) in rare plants as categorized by the Korean Forest Service. Furthermore, V, IV, III degrees of floristic regional indicator plants as categorized by the Korean Ministry of Environment included 9 taxa, 14 taxa and 34 taxa, respectively. In addition, 25 taxa of naturalized plants were observed. In this study, we identified a variety of plants observed in the wetlands of Gangwon Province. We believe that this study will provide useful data for future research on the conservation and management of wetlands.

• Korean Journal of Plant Taxonomy
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• v.48 no.1
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• pp.48-64
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• 2018

This study was carried out to investigate the flora of Oeumsan Mountain (Hongcheon-gun and Hoengseong-gun, Gangwon-do) from March of 2016 to September of 2017. The vascular plants were summarized into 509 taxa, including 98 families, 301 genera, 436 species, 4 subspecies, 57 varieties and 12 forms. Among the 509 investigated taxa, 9 Korean endemic, 1 endangered plant, 8 rare plants and 57 floristic regional indicator plants were also included. The naturalized plants encompassed 35 taxa. The percentage of naturalized plants species and the urbanization index were estimated to be 6.9% and 10.9%, respectively.

• Korean Journal of Plant Resources
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• v.25 no.4
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• pp.416-432
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• 2012

This study was carried out to investigate the distribution and characteristics of plant resources in Mt. Heungjeong (Pyeongchang-gun, Gangwon-do) from April, 2009 to May, 2011. The vascular plants based on voucher specimens were summarized as 403 taxa, including 78 families, 238 genera, 343 species, 3 subspecies, 47 varieties, and 10 forms. Among the investigated 403 taxa, 8 Korean endemic, 1 endangered, and 16 rare plants were included. 71 species of specially designated plant by the Ministry of Environment were also investigated. The naturalized plant were 20 taxa, and the percent of naturalized plant species was estimated as 5.0%. The usefulness of the plants of the 403 taxa listed consists of 175 taxa (43.4%) of edible plants, 126 taxa (31.3%) of medicinal plants, 65 taxa (16.1%) of pasture plants, 52 taxa (12.9%) of ornamental plants, 12 taxa (3.0%) of timber and fiber plants, 3 taxa (0.7%) of industrial plants.

• Korean Journal of Plant Resources
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• v.28 no.4
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• pp.487-510
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• 2015

This study was carried out to inventory the vascular plant flora in Deokjeokdo and its adjacent regions (Mungapdo, Soyado), Ongjin-gun, South Korea, from April to October 2014. Based on the voucher specimens, vascular plants in this area consisted of 108 families, 362 genera, 578 species, 5 subspecies, 66 varieties and 4 forms, totally 653 taxa. In the flora of this area, 5 taxa of Korean endemic plants were found distributed in the sites, including Hepatica insularis Nakai and Asarum glabrata (C.S.Yook & J.G.Kim) B.U.Oh. Korean rare and endangered plants found in this area were 1 taxa of Critical Endangered Species (CR) and 5 taxa of Vulnerable Species (VU). The floristic regional indicator plants found in this area were 67 taxa comprising 3 taxa of grade V, 2 taxa of grade IV, 12 taxa of grade III, 3 taxa of grade II and 47 taxa of grade I. Naturalized plants consisted of 67 taxa, such as Chenopodium album L. and Erigeron annuus (L.) Pers. were recognized widely distributed in the area.

• Korean Journal of Environment and Ecology
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• v.18 no.4
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• pp.392-414
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• 2004

The flora of Sorok Island was investigated 8 times from January 2001 to November 2002. The vascular plants recorded as total 604 taxa, 13 forms, 65 varieties, 1 subspecies, 524 species, 397 genera, 128 families. The rare and endangered plants were recorded 1 taxa (Millettia japonica (Sieb. et Zucc.) A. Gray), 12 taxa (3 variety, 9 species, 10 genera, 10 families) as Korean endemic plants. The naturalized plants were 26 taxa, 1 variety, 25 species, 21 genera, 12 families, 4.30% and 9.15％ among the total naturalized plants and Urbanization Index in Korea. Visitor's numbers are expected to increase rapidly because nature views of Sorok Island are beautiful, which kind and number of naturalized plants are forecasted to be increased. Strong conservation policies should be considered.

• Journal of the Korean Society of Environmental Restoration Technology
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• v.15 no.1
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• pp.89-105
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• 2012

This study is carried out to survey and analyse the vascular plants distributed around the Jusan Reservoir, Juwangsan national park. The results are as follows. The numbers of vascular plants were 377 taxa; 85 families, 253 genera, 332 species, 3 subspecies, 37 varieties and 5 forma. The endangered plants designated by Ministry of Environment were 2 taxa; Berchemia berchemiaefolia (Makino) Koidz. and Iris odaesanensis Y.N.Lee. The rare plants designated by Korea Forest Service were 6 taxa; Eranthis stellata Maxim., Aristolochia contorta Bunge, Aristolochia manshuriensis Kom., Berchemia berchemiaefolia (Makino) Koidz., Scopolia japonica Maxim. and Iris odaesanensis Y.N.Lee. The endemic plants were 4 taxa; Carpinus laxiflora (Siebold & Zucc.) Blume, Pseudostellaria coreana (Nakai) Ohwi, Philadelphus schrenkii Rupr. and Weigela subsessilis (Nakai) L.H.Bailey. The specific plants by floristic region were 38 taxa; Juglans mandshurica Maxim., Salix chaenomeloides Kimura, Hylomecon vernalis Maxim., Lonicera praeflorens Batalin, Erythronium japonicum (Baker) Decne., Potentilla dickinsii Franch. & Sav., Celtis aurantiaca Nakai, Anemone reflexa Steph. & Willd., Cimicifuga heracleifolia Kom. and so forth. The naturalized plants were 20 taxa; Fallopia dumetorum (L.) Holub, Chenopoidum album L., Lepidium apetalum Willd., Veronica persica Poir., Conyza canadensis (L.) Cronquist, Taraxacum officinale Weber and so forth.

• Korean Journal of Plant Resources
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• v.14 no.3
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• pp.259-276
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• 2001

Mt. Seoun(574 meters above sea level) is located in the southern part of An-sung city, Korea, within 36$^{\circ}$54'~36$^{\circ}$50'N, 127$^{\circ}$16'~127$^{\circ}$19'E. Field surveys were carried out nine times from March to October, 2000. Main results obtained from this study were as follows. The flora of vascular plants investigated in this survey was 439 taxa belonging to 90 families, 268 genera, 383 species, 49 varieties, 5 forma, 2 hybrid. As a result of this study, rare and endangered(Tricyrtis dilatata Nakai, Gastrodia elata Bl., Saururus chinenses Baill., Viola albida Palibin.) and many endemic species(Athyrium acatipinnulum Kodama., Tricyrtis dilatate Nakai, Paulownia coreana Uyeki., Salix hallaisanensis Lev., Asperula Iasiantha Nakai, Weigela subsessilis L.H. Bailey, Melamdryum seoulense Nakai, Clematis trichotoma Nakai, Spiraea prunifolia var. simpliciflora Nakai, Syringa dilatata Nakai, Chloranthus japonicus var. koreanus Sieb, Scutellaria insignis Nakai) of Korea were distributed in this area. Also the naturalized plants which were appeared in this area were 24 taxa(5.5 %). Among the plant resources, there are 239 taxa of edible plants(54.4%), 270 taxa of medicinal plants(61.5%), 217 taxa of ornamental plants(49.4%), 46 taxa of timber plants(10.5%) and 56 taxa of pasture plants(12.8%).

• Korean Journal of Environment and Ecology
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• v.36 no.3
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• pp.257-276
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• 2022

Studies on rare and endemic plant conservation should be performed nationally to conserve plant diversity. Studies targeting a specific taxon have been reported based on the necessity of conserving plant diversity. From this point of view, there is an increasing necessity to compare and evaluate the studies for conservation. Moreover, it is necessary to analyze and review the direction for study subjects and items required for effective conservation of rare and endemic plants in Korea, based on the analysis results of collected data. We analyzed trends of studies on rare and endemic plants worldwide. In particular, we collected and analyzed the study trend in Korea. Study fields of the rare and endemic plants were divided into six classifications, of which the conservation ecology classification was sub-divided into the species traits, population study, and biological interaction. We have collected conservation ecology studies showing significant differences in regions and countries. They have been actively conducted in Europe and North America by region and in Japan and the United States by country. On the contrary, studies on basic ecology accounted for the most, followed by conservation genetics and restoration ecology in Korea. It was revealed that the portion of conservation ecology conducted in Korea was lower than that of the world. Moreover, studies mainly focused on a specific taxon of rare and endemic plants, such as endangered plants designated by the Korean Ministry of Environment. Particularly in Korea, conservation genetics and restoration ecology studies accounted for high percentages. Considering the worldwide study trends, particularly those in Europe and North America that lead the study of conservation ecology, we suggest approaches to increase the percentages of conservation ecology, including securing the information on species traits, population structure and population dynamics, and interaction between animals and plants are necessary for effective conservation of rare and endemic plants in Korea.

• Journal of Forest and Environmental Science
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• v.15 no.1
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• pp.44-64
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• 1999

The flora of vascular plants investigated in Mt. Hyangro-Bong was 450 taxa belonging to 86 families, 254 genera, 393 species, 2 subspecies, 51 varieties, 4 formae. Among the investigated vascular plants, Korean endemic plants (Carex okamotoi, Salix koriyanagi, Clematis chisanensis, Aconitum pseudo-laeve var. erectum, Viola diamantiaca, Sanguisorba hakusanensis, Vicia venosissima, Patrinia saniculaefolia, Hanabusaya asiatica, H. asiatica for. alba etc.) were 23 taxa; rare and endangered plants(Disporum ovale, Lilium distichum, Trillium kamtschaticum, Gastrodia elata. Clematis chisanensis, Rodgersia podophylla, Rosa marretii, Viola diamantiaca, Syringa wolfii, Hanabusaya asiatica etc.) were 17 taxa; naturalized plants(Dactylis glomerata. Poa pratensis, Rumex acetosella, Gypsophila oldhamiana, Lepidium apetalum, Oenothera odorata, Aster pilosus, Carduus crispus, Erigeron annuus, Taraxacum officinale etc.) were 14 taxa.

• Korean Journal of Environment and Ecology
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• v.12 no.3
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• pp.191-211
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• 1998

The flora of the Kayasan National Park was surveyed from March to September, 1997. This area has very rich and diverse vascular plants; 613 taxa with 102 families, 323 genera, 522 species, 1 subspecies, 83 varieties, 5 forms and 2 hybrids. The rare and endangered plants species such as Lilium cernum Kom., Thymus quiquecostatus Celak., Cypripedium macranthum Sw., Tricyrtis dilatata Nakai, Abies koreana Wils., etc. were recorded. The plant species of 100 taxa such as Typha orientalis Presl, Corydalis maculata B. Oh et Y. Kim, Ajuga spectabilis Nakai, etc. were recorded for the first time in the area. The introduced plant species were found along the traffic road sides. The plant species of 14 taxa such as Lilium cernum Kom., Thymus quiquecostatus Celak., Abies koreana Wils., etc. which categorized as rare and endangered plants by the Office of Forestry were also recorded in the area(This species were mainly distributed in the habitats where easily threatened by human's activities).