Epilobium behringianum Haussknecht, Monogr. Epilobium, 277. 1884; E. alpinum Linnaeus var. behringianum (Haussknecht) S. L. Welsh; E. bongardii Haussknecht

Leaves ± coriaceous, petiole 4–9 mm proximally; cauline blade 1.5–6.2 × 0.7–2.2 cm. Flowers: sepals bright red, 5–7 × 2–2.5 mm; petals magenta to light pink, 8–10(–11) × 3–6 mm. Capsules 35–55 mm. Seeds 0.9–1.6 × 0.4–0.5 mm, surfaces reticulate (smooth). 2n = 36.

Flowering Jun–Aug. Moist meadows, seeps, stream banks, mossy or rocky crevices, usually coastal; 0–500 m; B.C., Yukon; Alaska; Asia (Russian Far East).

Subspecies behringianum is a very distinctive coastal variant of the species, essentially replacing it in mari­time areas from northern British Columbia, including Haida Gwaii (the Queen Charlotte Islands), through Pacific coastal Alaska, and in similar habitats along the northwestern Pacific coast in Russia.