Morphology of Silica bodies on Cyperaceae in Korea
Korean Journal of Plant Taxonomy. 2005;35(4):313-335 
The taxonomic and phylogenetic utility of vegetative anatomy and fruit epidermal silica bodies in Carex section Phyllostachys (Cyperaceae)
Canadian Journal of Botany. 2001;79(3):362-379
Pollen morphology of selected Central European species from subgenera Vignea and Carex (Carex, Cyperaceae) and its relation to taxonomy
Botanical Journal of the Linnean Society. 2010;164(4):422-439
STUDIES IN THE MORPHOLOGY OF THE CYPERACEAE. I. MORPHOLOGY OF FLOWERS. B. RYNCHOSPOROID GENERA
American Journal of Botany. 1941;28(9):832-838
STUDIES IN THE MORPHOLOGY OF THE CYPERACEAE. I. MORPHOLOGY OF FLOWERS. A. SCIRPOID GENERA
American Journal of Botany. 1941;28(7):542-551
Inflorescence structure in Rhynchospora Vahl (Cyperaceae)
Flora - Morphology, Distribution, Functional Ecology of Plants. 2012;207(1):47-56
Development and morphology of the gynoecium and nutlet in two South-American Bulbostylis (Cyperaceae) species
Flora - Morphology, Distribution, Functional Ecology of Plants. 2010;205(3):211-220
STUDIES IN THE MORPHOLOGY OF THE CYPERACEAE. II. THE PROPHYLL
American Journal of Botany. 1944;31(1):53-64
Processes responsible of the structural diversity of the Cyperaceae synflorescence: Hypothetical evolutionary trends
Flora - Morphology, Distribution, Functional Ecology of Plants. 2008;203(8):640-647
INTERPRETATIVE FLORAL MORPHOLOGY OF THE CYPERACEAE ON THE BASIS OF THE ANTHOID CONCEPT
Acta Botanica Neerlandica. 1975;24(3-4):291-304