Acer nipponicum (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Acer nipponicum" in English language version.

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4^th place

480^th place

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1^st place

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6,163^rd place

7,269^th place

doi.org

Wolfe, J.A.; Tanai, T. (1987). "Systematics, Phylogeny, and Distribution of Acer (maples) in the Cenozoic of Western North America". Journal of the Faculty of Science, Hokkaido University. Series 4, Geology and Mineralogy. 22 (1): 23, 74, 75, 240, & plate 4.

Ogata, K. (1965). "A dendrological study of the Japanese Aceraceae, with special reference to the geographical distribution" (PDF). Bulletin of the Tokyo University Forests. 60: 30–31, 87. Archived from the original (PDF) on 2012-04-24. Retrieved 2011-12-13.

Ogata, K. (1965). "A dendrological study of the Japanese Aceraceae, with special reference to the geographical distribution" (PDF). Bulletin of the Tokyo University Forests. 60: 30–31, 87. Archived from the original (PDF) on 2012-04-24. Retrieved 2011-12-13.