Apera spica-venti

Family (Traditional)Poaceae
Species:Apera spica-venti (L.) P. Beauv.
Common NameLoose Silkybent Grass; Windgrass
Growth Habitgraminoid
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Duration: Annual; General Ecology: Terrestrial; Growth Habit: graminoid; Region of Origin: Europe; 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; KY[SNA] (State Rank); GNR (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 anemagrostis Agrostis anemagrostis Syme
Agrostis anemagrostis subsp. spica-venti Agrostis anemagrostis subsp. spica-venti (L.) Syme
Agrostis ventosa Agrostis ventosa Dulac
Apera longiseta Apera longiseta Klokov
Festuca spica-venti Festuca spica-venti (L.) Raspail
Muhlenbergia spica-venti Muhlenbergia spica-venti (L.) Trin.

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: Campbell (KY), Kenton (KY)

Herbaria represented by specimen data listed below: KNK, MDKY

Range of years during which specimens were collected: 1989 - 1997

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
MDKY00004057 Kenton Kentucky
Apera spica-venti
31973000020771 Campbell Kentucky 18 Jun 1989 Thieret, John
Apera spica-venti
31973000020769 Campbell Kentucky 07 Jun 1991 Thieret, John
Apera spica-venti
31973000020768 Kenton Kentucky 24 Jun 1997 Thieret, John
Apera spica-venti
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