Aira caryophyllea

ClassificationMonocots
FamilyPoaceae
Family (Traditional)Poaceae
GenusAira
Species:Aira caryophyllea L.
Common NameSilver Hairgrass
Growth Habitgraminoid
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Duration: Annual; General Ecology: Terrestrial; Growth Habit: graminoid; Moisture Requirements: Xeric; Moisture Requirements: Sub-xeric; Moisture Requirements: Dry-mesic; Region of Origin: Europe; Reproductive Phenology: May; Reproductive Phenology: June; Reproductive Phenology: July; 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; AGCP (FAC), EMP (FAC) (NWPL); TN[SNA] (State Rank); GNR (Global Rank)
Specimen(s) View and Download Specimen Details »

** Not applicable or data not available.

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
Ecoregions
  • 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

Synonyms

SynonymFull Citation
Agrostis caryophyllea Agrostis caryophyllea
Aira caryophyllea var. major Aira caryophyllea var. major Brongn.
Aira caryophyllea var. minor Aira caryophyllea var. minor Brongn.
Aira latigluma Aira latigluma Steud.
Airopsis caryophyllea Airopsis caryophyllea (L.) Fr.
Avena caryophyllea Avena caryophyllea (L.) Web.

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: Bledsoe (TN), Davidson (TN), Montgomery (TN)

Herbaria represented by specimen data listed below: APSC, BOON, TENN

Range of years during which specimens were collected: -

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
TENN-V-0029265 Montgomery Tennessee
TENN
Aira caryophyllea
008426 Bledsoe Tennessee
BOON
Aira caryophyllea
APSC0034914 Montgomery Tennessee
APSC
Aira caryophyllea
APSC0087508 Davidson Tennessee
APSC
Aira caryophyllea
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Plant Photos

Aira caryophyllea - Dwayne Estes
Aira caryophyllea - Dwayne Estes
Aira caryophyllea - Joey Shaw
Aira caryophyllea - Joey Shaw
Aira caryophyllea - Joey Shaw
Aira caryophyllea - Joey Shaw
Aira caryophyllea - Joey Shaw
Aira caryophyllea - Joey Shaw
Aira caryophyllea - Joey Shaw
Aira caryophyllea - Joey Shaw
Aira caryophyllea - Joey Shaw
Aira caryophyllea - Joey Shaw
Aira caryophyllea - Joey Shaw
Aira caryophyllea - Joey Shaw
Aira caryophyllea - Joey Shaw
Aira caryophyllea - Joey Shaw