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Leymus mollis ssp. mollis
Leymus mollis (Trin.) Pilg. ssp. mollis
American dune grass, American dunegrass, Beach wild rye
Poaceae (Grass Family)
Synonym(s): Elymus arenarius ssp. mollis, Elymus arenarius var. scabrinervis, Elymus arenarius var. villosus, Elymus capitatus, Elymus mollis, Leymus arenarius ssp. mollis
USDA Symbol: LEMOM2
A stout-stemmed grass, 2-4 ft. tall, from creeping rhizomes. Basal leaves are numerous and overlapping and, in many forms, are a bright, glaucous blue. The flower spike is erect, dense, soft and pale.
Bloom InformationBloom Color: Yellow
Bloom Time: Apr , May
, WA Canada: NB
, PE Native Distribution:
Coasts from AK
to Greenland, s. to MA
& c. CA; also Lake Superior Native Habitat:
Coastal sand dunes
Growing ConditionsWater Use: Medium
Light Requirement: Sun
CaCO3 Tolerance: High
Soil Description: Sands.
Conditions Comments: The creeping rhizomes can be invasive in loose sands. European dune grass, Elymus arenarius L., is very similar. Many authorities now consider them as belonging to the same species, E. arenarius.
Propagate by seed or rhizome
divisions. Seed Collection:
Not Available Seed Treatment:
Not Available Commercially Avail:
Record Last Modified: 2007-01-01
Research By: TWC Staff