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)


Elymus arenarius/Achillea borealis

(beach rye/yarrow)

(ELYARE/ACHBOR, 3 sites)

IIIA1a. Dry graminoid herbaceous, elymus

A beach rye / yarrow stand near the mouth of Fourth of July Creek.


Vegetation- Elymus arenarius (beach rye) is abundant and dominates this

type. Achillea borealis (yarrow) is well represented to abundant. Other

species often present are Poa macrantha (seashore bluegrass), Luzula

multiflora (common woodrush), Stellaria calycantha (northern starwort), and

Fragaria chiloensis (beach strawberry). Species richness and community

structure are far higher than in the beach rye type.

Physical setting- Beach rye/yarrow is a minor type on the beaches of the

Copper River Delta. Sites sampled are on northerly or southerly aspects, on

slopes to 35 percent, and are at sea level.


Seward Wetland Mapping Project :
Contact: Mike Gracz
Kenai Watershed Forum 
Homer Field Office
Old Town Professional Center
3430 Main Street Suite B1
Homer, AK  99603
907-235-2218

03 November 2006 12:13