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Bluejoint; Canada Reed Grass

Calamagrostis canadensis var. canadensis

Found in wet meadows along streams, high elevation openings, such as grassy balds and cliff bases. FloraQuest, phone app (app page) What its natural habitat tells you

31
Good

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

Profile 41%

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At a glance

Not yet recorded · Height · Spread · Light · Soil · Life cycle · Leaves · Bloom

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

Recorded in 17 Virginia counties.

Natural habitats

Places it grows wild. Not a planting requirement.

1 of 3

Streams, rivers and their banks

Watauga Falls
Named place / source context. Shown: Watauga Falls, North Carolina, a neighboring state.Watauga Falls, Illustrator/engraver not confidently attributed; reproduced in Zeigler and Grosscup, The Heart of the Alleghanies (1883), 1883. Public domain. 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.

Mountain balds

Andrews Bald, Forney Ridge Trail, July 2020
Grassy mountain bald with shrub islands. Shown: Andrews Bald, Forney Ridge Trail, Swain County, North Carolina, a neighboring state.Andrews Bald, Forney Ridge Trail, July 2020, Andrea Walton / Great Smoky Mountains National Park, July 2020. Public domain. Source record.
Ecological relationships

Who uses this plant?

What these records mean

5CaterpillarsGenus host records with ranges including VA

Genus host records with ranges including VA · Calamagrostis

  • Apamea sordensBordered Apamea, Rustic Shoulder-Knot
  • Dargida diffusaWheat Head Armywotm Moth
  • Leucania pseudargyriaFalse Wainscot
  • Limochores mysticLong Dash
  • Papaipema nebrisStalk Borer
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
0BeesSoutheastern regional records
0Specialist beesPollen specialists
2BirdsRecorded genus food-resource interactions; not a state feeding claim

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

  • Calcarius lapponicusLapland Longspur
  • Plectrophenax nivalisSnow Bunting
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

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

Conservation status

Virginia rankS4
Global rankG5T5
VA statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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Sources