山羊百科，林文智老師的植物、山岳、攝影紀錄

Juglandaceae Reference

1. Busov, Victor B., George Rink and Keith Woeste 2002 Allozyme variation and mating system of black walnut Juglans nigra in the central hardwood region of the United States Forest Genetics 9(4):315-322
2. Long, Guang-Ri 1990 A new species of Platycarya from Guangxi Acta Phytotaxonomica Sinica 28 (4):328-330

1. 李敏，刘媛，赵勇刚，孙明高，张宪省，杨克强，王钧毅，郭起荣 2009 核桃花器官变异的研究 园艺学报 36(1): 21-26