Fauna
Plant · GBIF taxon 2706107

Sand Bluestem

Andropogon hallii

Also known as Hall's Bluestem

Sand bluestem anchors shifting dunes across the North American Great Plains, spreading vigorous rhizomes that stabilize deep, porous soils where few other prairie grasses take hold. Distinctive powdery blue-green culms produce golden, silky-haired seed heads in late summer, giving flowering colonies an iridescent sheen in the prairie wind. The plant hybridizes readily with its close kin big bluestem along ecotones where loose sand transitions into finer prairie loam.

GrasslandPerennialNative
Sand Bluestem reference1 / 7
Licensed reference(c) Dan Riley, some rights reserved (CC BY) · cc-by
—observations
—countries
—peak records
Not EvaluatedConservation statusIUCN Red List categoriesLCNTVUENCREWEXNot Evaluated — not placed on the risk ladderRed List categories, explained →
Key facts
Diet & prey
  • Photoautotrophic (absorbs sunlight, carbon dioxide, water, and soil minerals)
Predators
  • Plains Bison
  • Grasshoppers
  • Spur-throated Grasshopper
ThreatsOvergrazing, fire suppression, agricultural conversion, and dune stabilization by woody encroachment
HabitatsSand dunes, blowout margins, deep sand prairies, and sandy plains
Life span10 to 30 years (clonal colonies can persist for centuries)
Classification
  1. FamilyPoaceae
  2. SpeciesAndropogon hallii
Range & activity
Range data is not available yet.
Safe observation
Interaction riskLow
  1. Low
  2. Moderate
  3. High
  4. Very high
Why interaction risk is low
Safe to observe at a normal distance.
Responsible observation
  • Identification: Look for yellowish, heavily villous hairs on the seed heads, contrasting with the sparser, grayish hairs of big bluestem.
  • Habitat Clues: Search shifting sandhills and active dune fields where the powder-blue stems stand out above surrounding dune grasses.
Related species
Help improve the field guideSomething wrong?

Report a name, category, or profile issue for review.

Checking your Fauna account…