Description from Flora of China
Cupressus disticha Linnaeus, Sp. Pl. 2: 1003. 1753; Taxodium distichum var. nutans Carriere (1867), not (Aiton) Sweet (1827).
Main branches spreading horizontally. Leaves on annual branchlets 2-ranked, linear, flat.
Used for afforestation on marshy soils, and cultivated as an ornamental. Mainly S of the Chang Jiang valley: Anhui, Fujian, Guangdong (Guangzhou Shi), Guangxi, Henan (Jigong Shan), Hubei (Wuhan Shi), Jiangsu (Nanjing Shi), Jiangxi (Lu Shan), Sichuan, Yunnan, Zhejiang (Hangzhou Shi) [native to SE United States]