Agrostis exarata

Family (Traditional)Poaceae
Species:Agrostis exarata Trin.
Common NameSpike Bentgrass
Growth Habitgraminoid
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Duration: Perennial; General Ecology: Terrestrial; Growth Habit: graminoid; Region of Origin: North America; Leaf Arrangement: alternate; Leaf Arrangement: basal; Leaf Complexity: simple; Leaf Dissection: 0; Leaf Persistance: Deciduous; Leaf Petiole Type: sessile; Leaf Type: grass-like; Leaf Venation: parallel; Leaflet Margins: entire; Leaflet Number: 0; Base Flower Color: Brown (incl. Maroon); Base Flower Color: Green; Fruit Dehiscence: No; Fruit Type: Caryopsis; Fruit Type: Grain; Fruit Wet/Dry: Dry; Hypanthium Present: No; Ovary Position: Superior; Overall Flower Symmetry: N/A; Perianth Present: No; Placentation Type: Parietal; Placentation Type: Basal; Sexuality: monoclinous; Sporangium Arrangement: N/A
C value N/A
StatusNot Native; EMP (FACW) (NWPL); KY[SNR] (State Rank); G5 (Global Rank)
Specimen(s) View and Download Specimen Details »

** Not applicable or data not available.

Currently no photos are available for this plant.

Species Distribution Map

This species has been reported in the counties highlighted in the interactive distribution map below. Click on a county to display the its name. Click the question mark icon () to view additional information about the ecoregions shown. In the map legend, there are links to toggle the visibility of the ecoregions and/or their labels. In addition, clicking on an ecoregion name will highlight that region on the map.

  • State Boundaries
  • Counties
  • Counties - Species Present
  • Southeastern Plains
    • Blackland Prarie
  • Blue Ridge Mountains
  • Ridge and Valley
  • Cumberland Plateau
  • Cumberland Mountains
  • Allegheny Plateau
  • Interior Plateau
    • Bluegrass Region
    • Nashville Basin
    • Pennyroyal Karst Plain
    • Western Highland Rim
    • Eastern Highland Rim


SynonymFull Citation
Agrostis aenea Agrostis aenea Trin.
Agrostis alascana Agrostis alascana Hultén
Agrostis alashana Agrostis alashana Hultén
Agrostis alaskana Agrostis alaskana Hultén
Agrostis alaskana var. breviflora Agrostis alaskana var. breviflora Hultén
Agrostis albicans Agrostis albicans Buckley
Agrostis ampla Agrostis ampla A.S. Hitchc.
Agrostis ampla f. monolepis Agrostis ampla f. monolepis (Torr.) Beetle
Agrostis asperifolia Agrostis asperifolia Trin.
Agrostis berlandieri Agrostis berlandieri E. Fourn.
Agrostis canina var. aenea Agrostis canina var. aenea Trin.
Agrostis canina var. melaleuca Agrostis canina var. melaleuca Trin.
Agrostis drummondii Agrostis drummondii Torr. ex Hook. f.
Agrostis durangensis Agrostis durangensis
Agrostis exarata f. asperifolia Agrostis exarata f. asperifolia (Trin.) Vasey
Agrostis exarata subsp. exarata Agrostis exarata subsp. exarata
Agrostis exarata subsp. minor Agrostis exarata subsp. minor (Hook.) C.L. Hitchc.
Agrostis exarata var. aenea Agrostis exarata var. aenea (Trin.) Griseb.
Agrostis exarata var. exarata Agrostis exarata var. exarata
Agrostis exarata var. minor Agrostis exarata var. minor Hook.
Agrostis exarata var. monolepis Agrostis exarata var. monolepis (Torr.) A.S. Hitchc.
Agrostis exarata var. pacifica Agrostis exarata var. pacifica Vasey
Agrostis exarata var. purpurascens Agrostis exarata var. purpurascens Hultén
Agrostis grandis Agrostis grandis Trin.
Agrostis longiligula Agrostis longiligula A.S. Hitchc.
Agrostis longiligula var. australis Agrostis longiligula var. australis J.T. Howell
Agrostis longiligula var. longiligula Agrostis longiligula var. longiligula Hitchc.
Agrostis melaleuca Agrostis melaleuca (Trin.) A.S. Hitchc.
Agrostis microphylla var. major Agrostis microphylla var. major Vasey
Agrostis scouleri Agrostis scouleri
Polypogon monspeliensis var. monolepis Polypogon monspeliensis var. monolepis

Specimens and Distribution

This species has been reported in the following counties by the herbaria listed. An overview of the individual specimens are provided in the table that follows. Click on the accession number to view details; click on column headers to sort.

Counties included on distribution map: Leslie (KY)

Herbaria represented by specimen data listed below: KNK

Range of years during which specimens were collected: 1993 - 1993

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
31973000020572 Leslie Kentucky 11 Jul 1993 Campbell, Julian
Agrostis exarata
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