Numerical taxonomy of tribe Forsythieae (Oleaceae) in Korea
Korean Journal of Plant Taxonomy. 2004;34(3):189-203 
The taxonomic consideration of leaf epidermal microstructure in the tribe Rumiceae Dum. ( Polygonaceae )
Korean Journal of Plant Taxonomy. 2000;30(2):105-121
Molecular phylogeny of tribe Forsythieae (Oleaceae) based on nuclear ribosomal DNA internal transcribed spacers and plastid DNA trnL-F and matK gene sequences
Journal of Plant Research. 2010;124(3):339-347
Leaf epidermal microstructure of the genus Scopolia Jacq. s.l. (Solanaceae-Hyoscymeae) and its systematic significance
Korean Journal of Plant Taxonomy. 2001;31(3):267-282
The taxonomic consideration of leaf epidermal microstructure in Korean Thymelaeaceae Adans
Korean Journal of Plant Taxonomy. 2003;33(4):421-433
The taxonomic consideration of leaf epidermal microstructure in Lycopus L. (Mentheae, Lamiaceae)
Korean Journal of Plant Taxonomy. 2003;33(2):151-164
The taxonomic study of leaf epidermal microstructure in the genera Polygonum L. s. str. and Polygonella Michx. ( Polygoneae - Polygonaceae)
Korean Journal of Plant Taxonomy. 1999;29(1):75-90
The embryological insight into the relationship between Forsythia and Abeliophyllum (Forsythieae, Oleaceae)
Journal of Plant Research. 2020;133(5):611-623
Revision of the net-winged midge genus Horaia Tonnoir and its phylogenetic relationship to other genera within the tribe Apistomyiini (Diptera: Blephariceridae)
Systematic Entomology. 2007;32(2):276-304
The taxonomic value of epidermal characters in the leaf of <i>Heteromorpha</i> and some related genera (Apiaceae)
Bothalia. 1994;24(2):187-194