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Hairy Bluestem

Anatherum hirsutius

Found in wet pine savannas, pine flatwoods, adjacent ditches, seepage over rock outcrops (in the upper Piedmont), other wet disturbed sites. Weakley, Flora of the Southeastern United States (2025), Northern Tier edition What its natural habitat tells you

51
Strong

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

Profile 65%

Height
Up to about 6 feet
Soil moisture
Average to wet
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At a glance

Life cycle
Perennial

Not yet recorded · Spread · Light · Leaves · Bloom

This plant is missing most of its facts, so Quercus is looking them up in old botany books.

Recorded in 12 Virginia counties.

Natural habitats

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

1 of 6

Pine savannas

Sandy Pine Savanna, Rush Featherling subtype
Sandy pine savanna. Shown: Shaken Creek Preserve, Pender and Onslow Counties, North Carolina, a neighboring state.Sandy Pine Savanna, Rush Featherling subtype, Robert Thornhill, undated. CC BY 4.0. Source record.

Pine flatwoods

Wet Pine Flatwoods, Shaken Creek Preserve - typical shrub layer
Wet pine flatwoods with a shrub layer. Shown: Shaken Creek Preserve, Pender and Onslow Counties, North Carolina, a neighboring state.Wet Pine Flatwoods, Shaken Creek Preserve - typical shrub layer, Robert Thornhill, undated. CC BY 4.0. Source record.

Cliffs, ledges and rocky summits

Sassafras Mountain rock outcrop
Rock outcrop on a mountain summit. Shown: Sassafras Mountain, on the North Carolina and South Carolina line, a neighboring state.Sassafras Mountain rock outcrop, Alan M. Cressler / U.S. Geological Survey, undated. Public domain. Source record. Faithful JPEG display decode of embedded JP2; no AI or color enhancement. Phone derivative resized proportionally.

Seeps and springs

Weymouth Woods Gum Swamp Trail seep
Groundwater seep. Shown: Gum Swamp Trail, Weymouth Woods, North Carolina, a neighboring state.Weymouth Woods Gum Swamp Trail seep, ncwetlands.org, undated. CC BY 2.0. Source record.

Roadsides, fields and disturbed ground

Ground opened by people: roadsides, old fields, pastures, fencerows and lots.

Disturbed and introduced wetlands

Wet ground taken over by weedy or introduced plants after disturbance, such as common reed, Chinese tallow or tamarisk stands; the upland counterpart is roadsides, fields and disturbed ground.

All habitats

Ecological relationships

Who uses this plant?

What these records mean

14CaterpillarsGenus host records with ranges including VA

Genus host records with ranges including VA · Andropogon

  • Agrotis gladiariaSwordsman Dart, Clay-Backed Cut-Worm
  • Amblyscirtes alternataDusky Roadside-Skipper, Least Florida Skipper, Dusky Little Skipper;
  • Anatrytone loganDelaware Skipper, Logan Skipper, Black-Vein Skipper
  • Atrytone arogosArogos Skipper, Beardgrass Skipper
  • Atrytonopsis hiannaDusted Skipper
  • Cercyonis pegalaCommon Wood Nymph
  • Dargida diffusaWheat Head Armywotm Moth
  • Hesperia meteaCobweb Skipper
  • Lacinipolia meditataThe Thinker
  • Lerema acciusClouded Skipper, Corn Leaf tier
Show all 14
  • Limochores origenesCrossline Skipper
  • Mocis texanaTexas Mocis
  • Nastra lherminierSwarthy Skipper
  • Spodoptera frugiperdaFall Armyworm Moth
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
1BeesSoutheastern regional records

Southeastern regional records · Andropogon

Individual names are not available yet.

Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
0Specialist beesPollen specialists
4BirdsRecorded genus food-resource interactions; not a state feeding claim

Recorded genus food-resource interactions; not a state feeding claim · Andropogon

  • Agelaius phoeniceusRed-winged Blackbird
  • Ammospiza leconteiiLeConte's Sparrow
  • Meleagris gallopavoWild Turkey
  • Molothrus aterBrown-headed Cowbird
Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)

Direct food only: birds recorded eating this genus across North America. Caterpillars on host plants also feed nesting birds. NC Native Plant Society: butterfly gardening

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

Growing and identification

Plant details

Family
Poaceae
Flower color
Not applicable

Safety has not been reviewed for this plant; check toxicity and thorns before planting.

Growing sources and scope
Also known as

Anatherum hirsutius; Andropogon glomeratus var. hirsutior; Andropogon virginicus var. hirsutior

Conservation status

Virginia rankS5?
Global rankG5T5 [G5]
VA statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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Sources