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Western Beakgrain

Diarrhena obovata

Found in alluvial forests, other moist forests. Weakley, Flora of the Southeastern United States (2025), Northern Tier edition What its natural habitat tells you

5
Modest

Native to West Virginia. How scores work Is it native here?

Profile 71%

Height
2–3 feet
Spread
2–3 feet
Light
Part shade to full shade
Soil moisture
Average to wet

Space about 2.5 ft apart from its recorded spread, about 16 per 100 sq ft. Enter your bed size for a count

Will it fit your yard?

Rare or protected plant. Specialist conservation planting; excluded from routine garden suggestions. Plant caution source

Hidden from default planting suggestions. Wildlife value and native status remain unchanged.

At a glance

Bloom
July to September

Not yet recorded · Life cycle · Leaves

Recorded in 1 West Virginia county.

Natural habitats

Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.

1 of 2

Floodplain and bottomland forests

Forests on low ground beside rivers and streams that flood from time to time.

Moist forests

Forests on moist but not wet ground, such as rich slopes and ravines.

All habitats

Ecological relationships

Who uses this plant?

What these records mean

0CaterpillarsGenus host records with ranges including WV
0BeesSoutheastern regional records
0Specialist beesPollen specialists
—BirdsRecorded genus food-resource interactions; not a state feeding claim

No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects

Growing and identification

Plant details

Family
Poaceae
Hardiness
Zones 4–8
Growing sources and scope
Also known as

Obovate Beakgrain

Conservation status

West Virginia rankS2
Global rankNot available
WV statusNot verified
Federal statusNot verified

Conservation source

In your garden

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How to check your spot

Sources