1.3. Chamaenerion latifolium (Linnaeus 1753: 347) Sweet (1830: 198) .

≡ Epilobium latifolium L. ≡ Chamerion latifolium (L.) Holub (1972: 86) .

Lectotype (designated by Raven 1964):— RUSSIA. “Siberia, ļ” (possibly Kamchatka), Herb. Linn. No. 486.2 (LINN digital image) .

Distribution: —M Yarlung Zangbo, S Hengduan, N Hengduan, Tangut, L Yarlung Zangbo.

Note: —This species has both tetraploid (n = 36) and diploid (n = 18) individuals, but there are no morphological differences between them (Chen et al. 1992).