Spatial and temporal variation on fruit set in <i>Epipactis</i> thunbergii (Orchidaceae) from southern Korea
Korean Journal of Plant Taxonomy. 2015;45(4):353-361 
Extremely low levels of genetic diversity in the terrestrial orchid Epipactis thunbergii (Orchidaceae) in South Korea: implications for conservation
Botanical Journal of the Linnean Society. 2007;155(2):161-169
Temporal and spatial variation in flower and fruit production in a food-deceptive orchid: a five-year study
Plant Biology. 2010;12(1):145-153
Pollination of Cleisostoma scolopendrifolium (Orchidaceae) by megachilid bees and determinants of fruit set in southern South Korea
Journal of Ecology and Environment. 2019;43(1):
Genetic variation in three species of Epipactis (Orchidaceae): geographic scale and evolutionary inferences
Biological Journal of the Linnean Society. 2000;69(3):411-430
Genetic variation in rural and urban populations of Epipactis helleborine (L.) Crantz. (Orchidaceae) in Britain
Botanical Journal of the Linnean Society. 1997;123(4):321-331
Is Epipactis pseudopurpurata distinct from E. purpurata (Orchidaceae)? Evidence from morphology, anatomy, DNA and pollination biology
Botanical Journal of the Linnean Society. 2012;170(2):243-256
Spatial and Temporal Variation in Costa Rican Fruit and Fruit‐Eating Bird Abundance
Ecological Monographs. 1988;58(4):251-269
Morphological variability of Helleborines. I. Diagnostic significance of morphological features in Epipactis helleborine (L.) Crantz, Epipactis atrorubens (Hoffm.) Besser and their hybrid, Epipactis ×schmalhausenii Richt. (Orchidaceae, Neottieae)
Acta Societatis Botanicorum Poloniae. 2011;79(3):207-213
Pollination of the orchid Epipactis thunbergii
by syrphid flies (Diptera: Syrphidae)
Ecological Research. 1996;11(3):249-255