Seward Wetland Mapping Project
Chugach National Forest Plant Community Descriptions
From: R.L. DeVelice, C.J. Hubbard, K. Boggs, S. Boudreau, M. Potkin, T. Boucher and C. Wertheim. 1999. Plant Community Types of the Chugach National Forest: southcentral Alaska. USDA Forest Service, Chugach National Forest, Alaska Region Technical Publication R10-TP-76. Anchorage, AK. 375pp. (download 3.5Mb .pdf)
Alnus crispassp. sinuata-Echinopanax horridum
(Sitka alder-devilís club)
(ALNCRIS-ECHHOR; 21 sites)
IIB1b. Closed tall scrub, alder
Vegetation- Alnus crispa ssp. sinuata (Sitka alder) is abundant and
dominates this tall shrub type. Echinopanax horridum (devilís club) is a
codominant that is well represented to abundant. Sambucus racemosa (red
elderberry) is often well represented. Low and dwarf shrubs are absent.
Dryopteris dilatata(wood fern) is common to abundant. Other species often
in this type are Streptopus amplexifolius (twistedstalk), Athyrium filixfemina
(lady fern), and Gymnocarpium dryopteris (oak fern).
Physical setting- Sitka alder-devilís club is a major tall shrub type in the
Portage, Placer, and Twentymile wetland area and in the Kenai Mountains. In
the wetland area this type is usually found on flood plains. Sites sampled in
the wetland area are mostly on northerly aspects with slopes to 45 percent
(but most sites are level) and elevations to 400 feet. In the Kenai
Mountains this type occurs on dissected and non-disturbed side slopes.
Sites sampled in the Kenai Mountains are on all aspects, on slopes up to 80
percent, and at elevations to 1950 feet.
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03 November 2006 12:13