Tomotsugu Watanabe, Kako Matsunaga, Yumiko Kanazawa, Kojiro Suzuki, Ian D. Rotherham. Landforms and distribution patterns of giant <i>Castanopsis sieboldii</i> trees in urban areas and western suburbs of Tokyo, Japan. Urban Forestry & Urban Greening. 2021. 60. Available online 29 January 2021
Yumiko KANAZAWA, Toshiki MOTOHASHI, Kojiro SUZUKI, Chikayasu HAMANO. The form of cherry trees from the first year to the 17th year after planting the cultivar of Cerasus × subhirtella `Omoigawa'. Kanto Journal of Forest Research. 2021. 72. 1. 49-52
Xu PENG, Kotaro TACHIKAWA, Hiroaki NAKAJIMA, Yumiko KANAZAWA, Kojiro SUZUKI, Christine HANDLEY, Ian D. ROTHERHAM. Species, size, and location of “giant trees” in Tokyo’s urban area and western suburbs. Arboricultural Journal. 2018. 40. 4. 234-256
Hybridization of early flowering cherry trees (Sect. <i>Pseudocerasus</i>, ROSACEAE) by seed production
Department of Landscape Architecture Science, Tokyo University of Agriculture 2020
Tree growth over a 17-year period after planting the flowering cherry cultivar <i>Cerasus</i> × <i>subhirtella</i> 'Omoigawa’
(Arboricultural Association Conference 2019)
An investigation of Japanese gardens as a tree inventory of urban areas
(Woodland & Tree Archaeology Conference 2019)
