3.4b. Epilobium brevifolium D.Don subsp. trichoneurum (Haussknecht 1879: 54) Raven (1962a: 363) .

≡ Epilobium trichoneurum Hausskn.

Lectotype (designated by Raven 1962a):— INDIA. Assam: Khasi Hills, 1500–2100 m, 1850, Hooker & Thomson s.n. (K001057559!, isolectotype BM000957935!) .

Distribution: — Bhutan, L Yarlung Zangbo, S Hengduan, N Hengduan, U Irrawaddy.

Note: —This subspecies is widely distributed in the warm temperate area of eastern Asia.