Publication: Fl. Carniol. (ed. 2) 1: 271.
selected vouchers: WTU
Notes: Ours is the ssp. circumvagum (Mosquin) Hoch.
Online Jepson Manual: "Correspondence 1 indicates that, according to molecular and morphological evidence as presented in Baum, D. A., K. J. Sytsma, & P. C. Hoch (Syst. Bot. 19: 363-388. 1994) and in an e-mail from Peter C. Hoch (The Jepson Manual [Ed. 1] author) to Jeff Greenhouse of 5/14/98, the section of the Epilobium including the "fireweeds" (in North America, Epilobium angustifolium and Epilobium latifolium) is very distinct from the rest of the Epilobium, and should be segregated to Chamerion. Correspondence 1 also indicates that C. angustifolium subsp. circumvagum (Mosquin) Hoch was published in Iwatsuki, K. et al., Flora of Japan 2c: 241 (April 1999), four months before the Kartesz publication of the name, so that the author citation should be corrected to Chamerion angustifolium (L.) Holub subsp. circumvagum (Mosquin) Hoch, from Chamerion angustifolium (L.) Holub subsp. circumvagum (Mosquin) Kartesz previously in this Index."