• Korean Journal of Plant Resources
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• v.15 no.1
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• pp.81-88
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• 2002

Five naturalized species of taxa in Jeju such as Solanum ciliatum, Rubus fruticosus, Lepidium bonariens, Rudbeckia hirta, Solanum photeinocarpum have been found and given the Korea names. Among those species, four species such as Solanum ciliatum, Rubus fruticosus, Lepidium bonariense, Rudbeckia hirta, Solanum photeinocarpum. are naturalized in Korea but have not been reported yet and Rudbeckia hirta has been cultivated as a garden plant on the mainland Korea but it is found in the natural environment on Jeju island in Korea. And so we report here that Rudbeckia hirta is a naturalized species.

• Korean Journal of Plant Taxonomy
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• v.31 no.4
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• pp.375-382
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• 2001

Three naturalized taxa in Korea such as Scleranthus annuus L., Verbena bonariensis L. and Hordeum jubatum L. were newly recorded. Short descriptions and illustrations for the these species were provided. Especially, Scleranthus L. is first recorded as a new genus of Korean flora.

• Korean Journal of Plant Taxonomy
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• v.38 no.2
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• pp.179-185
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• 2008

Unrecorded species from the beach at Gangnung City is reported: Cakile edentula, Brassicaceae. The genus Cakile is unrecorded in Korea and easily distinguished from other genera in Brassicaceae by the upper member of fruits distinctly longer or thicker than the lower part, petiole white or anthocyanic, style absent and leaves glabrous. The local name is Seo-yang-gaet-naeng-i and the morphological characters and illustrations of the species are provided.

• Korean Journal of Plant Taxonomy
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• v.38 no.2
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• pp.187-196
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• 2008

Two naturalized species, Carduus natans L. and Lepidium latifolium L. were newly reported from Korea. Carduus natans, "Sa-hyang-ung-gung-kwi", was found from Nanjido, Seoul, and Yangsuri and Naejangri, Gyunggi-do. It is distinguished from widely naturalized C. crispus by having large nodding heads (30-60mm in diameter) and acuminate lanceolate involucral bracts. Lepidium latifolium, "Keun-ki-da-dag-naeng-i", was found from Noeul Park, Nanjido, Seoul. It is distinguished from the related species by having tall height (about 1 m), subsessile upper leaves, pinnately lobed lower leaves, and corymbose inflorescence.

• Korean Journal of Plant Taxonomy
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• v.39 no.4
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• pp.304-308
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• 2009

One new naturalized species was recorded from Jeollanam-do Yeongam-gun, Daegu, and Daejeon in Korea. Hedyotis corymbosa grows well where there is enough sunlight; in moist, sandy soil. Hedyotis corymbosa (Rubiaceae) can be distinguished from other species in the same genus by longer peduncles, and a lot of flowers. We gave it the Korean name 'San-bang-back-un-pul' based on the specific epithet 'corymbosa'.

• Korean Journal of Plant Taxonomy
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• v.44 no.4
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• pp.247-249
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• 2014

A newly naturalized plant, Carex scoparia Schkuhr ex Willd. var. scoparia, was found in Mt. Hanseok, Injegun, Gangwon-do, Korea. It belongs to sect. Ovales Kunth and had been known from North America, and was introduced into Europe and New Zealand. This species distinguished from related taxa in Asia, Carex maackii Maxim. and Carex leporina L., by pistillate scales lanceolate and having large perigynia. We propose the new Korean name, 'Han-seok-sa-cho', based on its first collecting place. We also provide descriptions for morphological characters, illustrations, photographs and keys to allied taxa.

• Korean Journal of Plant Taxonomy
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• v.37 no.1
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• pp.79-85
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• 2007

A naturalized plant of Leguminosae is reported in Korea. L. fioribunda belongs to subgenus Lespedeza of Lespedeza which is characterized by having chasmogamous flowers. The plant is native in China and recently naturalized in Seoul and Chungcheongnam Province of Korea. A key to the species of subgenus Lespedeza in Korea including L. floribunda is provided.

• Korean Journal of Plant Taxonomy
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• v.39 no.2
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• pp.120-123
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• 2009

A naturalized species from Korean flora, Cymbalaria muralis P. Gaetrn. (Scrophulariaceae), is firstly recorded from a well-drained bare field at Bulgwang-dong, Eunpyong-gu, Seoul city. The genus Cymbalaria Hill has not recorded in Korea and C. muralis is easily distinguished from the other species of Scrophulariaceae by palmately-lobed leaves, vine-like stems and cylindrical spur at the base in its flower. The new Korean name is 'Deong-gul-he-ran-cho'. Descriptions, illustrations and photographs of this species are given.

• Korean Journal of Plant Taxonomy
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• v.39 no.2
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• pp.114-119
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• 2009

Two naturalized species, Euphorbia dentata Michx. and Securigera varia (L.) Lassen were newly reported from Korea. Euphorbia dentata, "Top-Ni-Dae-Geuk", was found from Jungbu Highway, Daechang-ri, Daechang-myeon, Yeongcheon-si, Gyeongsangbuk-do. It is distinguished from E. pulcherrima by its life form, which is herbaceous, and its upper leaves, which are uniformly green. Securigera varia, "Wang-Gwan-Gal-Kwi-Na-Mul", was found from Hangang, Yeouido, Seoul. The genus Securigera is unrecorded in Korea and distinguished from genus Hedysarum by rose-colored flowers, a peduncle 5-10 cm and by having dense umbels at the tips of the peduncles.

• Korean Journal of Plant Taxonomy
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• v.46 no.4
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• pp.413-419
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• 2016

Two unrecorded naturalized species, Stachys agraria Schltdl. & Cham. and Dracocephalum moldavica L (Lamiaceae), are newly reported in Korea. Stachys agraria and D. moldavica were found at Seogwipo-si on Jeju-do and at ChunChen-si in Gangwondo in Korea, respectively. Stachys agraria is distinguished from other related Korean taxa by corolla of 2.4-5.2 mm long with six to twelve flowers in the node. Its local name is "Ae-gi-seok-jam-pul" based on shorter than longer corollar. Dracocephalum moldavica was distinguishable from other Dracocephalum in Korea by the following combination of characters, oblong to ovate-triangular ($1.7-2.4cm{\times}0.8-1.2cm$) leaves and rough crenate at the margin. This taxon is referred to as 'Hyang-yong-meo-ri' in Korean based on its fragrance. We provide a description, illustrations, photographs, and a key of related taxa in Korea.