General: Perennial evergreen from a branched, shiny, blackish rhizome.
Stems: 10-50 cm tall, 1-3 mm thick, their central cavity 1/4 the stem diameter, unbranched, the sheaths with 3-14 teeth.
Cones: 5-7 mm long, pointed at the tip.
Notes: A hybrid with E. hyemale (E. x trachyodon A. Braun) was collected on the Queen Charlotte Islands (Calder & Taylor 1968). A hybrid with E. laevigatum (E. x nelsonii [A. A. Eaton] Schaffn.) has not been reported from BC, but can be expected.
Wet lake shores, streambanks, fens, meadows, clearings and roadsides from the lowland and steppe to subalpine and (rarely) alpine zones; frequent in coastal (ssp. alaskanum) and interior BC (ssp. variegatum); circumpolar, N to AK, E to NF and S to NH, CT, PA, MI, MN, WY, CO, UT, ID and OR; Eurasia.
The table below shows the species-specific information calculated from original data (BEC database) provided by the BC Ministry of Forests and Range. (Updated August, 2013)