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
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
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)