Koeleria macrantha

Family (Traditional)Poaceae
Species:Koeleria macrantha (Ledeb.) Schult.
Common NamePrairie Jungrass
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; 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; Sporangium Arrangement: N/A
C value 10
StatusNative; KY[S1] (State Rank); G5 (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
  • 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
Aira cristata Aira cristata L.
Aira gracilis Aira gracilis (Pers.) Trin.
Aira macrantha Aira macrantha Ledeb.
Dactylis cristata Dactylis cristata (L.) M. Bieb.
Koeleria arkansana Koeleria arkansana Nutt. ex Scribn.
Koeleria californica Koeleria californica (Domin) Beetle
Koeleria cristata subsp. mongolica Koeleria cristata subsp. mongolica (Domin) Tzvelev
Koeleria cristata subsp. pseudocristata Koeleria cristata subsp. pseudocristata (Domin) Domin
Koeleria cristata var. elegantula Koeleria cristata var. elegantula (Domin) Beetle
Koeleria cristata var. geniculata Koeleria cristata var. geniculata (E. Fourn.) Beetle
Koeleria cristata var. gracilis Koeleria cristata var. gracilis (Pers.) A. Gray
Koeleria cristata var. macrantha Koeleria cristata var. macrantha (Ledeb.) Griseb.
Koeleria cristata var. major Koeleria cristata var. major Vasey
Koeleria cristata var. nuttalii Koeleria cristata var. nuttalii Alph. Wood
Koeleria cristata var. oregona Koeleria cristata var. oregona Domin
Koeleria cristata var. pseudocristata Koeleria cristata var. pseudocristata Domin
Koeleria cristata var. pubescens Koeleria cristata var. pubescens Mutel
Koeleria gracilis f. biflora Koeleria gracilis f. biflora Domin
Koeleria gracilis f. colorata Koeleria gracilis f. colorata Domin
Koeleria gracilis f. congesta Koeleria gracilis f. congesta Domin
Koeleria gracilis f. densevestita Koeleria gracilis f. densevestita Domin
Koeleria gracilis f. filifolia Koeleria gracilis f. filifolia Domin
Koeleria gracilis f. glabra Koeleria gracilis f. glabra Domin
Koeleria gracilis f. laxa Koeleria gracilis f. laxa Domin
Koeleria gracilis f. pubescens Koeleria gracilis f. pubescens Domin
Koeleria gracilis f. quadriflora Koeleria gracilis f. quadriflora Domin
Koeleria gracilis f. triflora Koeleria gracilis f. triflora Domin
Koeleria gracilis f. washingtonensis Koeleria gracilis f. washingtonensis Domin
Koeleria gracilis subsp. idahensis Koeleria gracilis subsp. idahensis
Koeleria gracilis subsp. macrura Koeleria gracilis subsp. macrura Domin
Koeleria gracilis subsp. nitida Koeleria gracilis subsp. nitida (Nutt.) Domin
Koeleria gracilis subsp. polyantha Koeleria gracilis subsp. polyantha Domin
Koeleria gracilis subsp. pseudocristata Koeleria gracilis subsp. pseudocristata (Domin) Domin
Koeleria gracilis var. breviculmis Koeleria gracilis var. breviculmis
Koeleria gracilis var. californica Koeleria gracilis var. californica (Domin) Domin
Koeleria gracilis var. californiensis Koeleria gracilis var. californiensis Domin
Koeleria gracilis var. caudata Koeleria gracilis var. caudata Domin
Koeleria gracilis var. dasyclada Koeleria gracilis var. dasyclada Domin
Koeleria gracilis var. latifrons Koeleria gracilis var. latifrons Domin
Koeleria gracilis var. laxa Koeleria gracilis var. laxa Domin
Koeleria gracilis var. longifolia Koeleria gracilis var. longifolia Nutt. ex Domin
Koeleria gracilis var. missouriana Koeleria gracilis var. missouriana Domin
Koeleria gracilis var. munita Koeleria gracilis var. munita Domin
Koeleria gracilis var. oregana Koeleria gracilis var. oregana Domin
Koeleria gracilis var. pseudocristatoides Koeleria gracilis var. pseudocristatoides
Koeleria gracilis var. pseudonitida Koeleria gracilis var. pseudonitida Domin
Koeleria gracilis var. sublanuginosa Koeleria gracilis var. sublanuginosa Domin
Koeleria gracilis var. subrepens Koeleria gracilis var. subrepens Domin
Koeleria idahoensis Koeleria idahoensis Domin
Koeleria idahoensis var. idahoensis Koeleria idahoensis var. idahoensis Domin
Koeleria idahoensis var. pseudocristatoides Koeleria idahoensis var. pseudocristatoides Domin
Koeleria latifrons Koeleria latifrons (Domin) Rydb.
Koeleria longifolia Koeleria longifolia Nutt. ex Domin
Koeleria macrantha f. longifolia Koeleria macrantha f. longifolia (Vasey ex Burtt Davy) Roy L. Taylor & MacBryde
Koeleria macrura Koeleria macrura Domin
Koeleria macrura f. biflora Koeleria macrura f. biflora Domin
Koeleria macrura f. quadriflora Koeleria macrura f. quadriflora Domin
Koeleria macrura f. triflora Koeleria macrura f. triflora Domin
Koeleria mukdenensis Koeleria mukdenensis Domin
Koeleria nitida f. colorata Koeleria nitida f. colorata Domin
Koeleria nitida f. congesta Koeleria nitida f. congesta Domin
Koeleria nitida f. filifolia Koeleria nitida f. filifolia Domin
Koeleria nitida f. pubescens Koeleria nitida f. pubescens Domin
Koeleria nitida var. arkansana Koeleria nitida var. arkansana Scribn.
Koeleria nitida var. breviculmis Koeleria nitida var. breviculmis Domin
Koeleria nitida var. californica Koeleria nitida var. californica
Koeleria nitida var. caudata Koeleria nitida var. caudata Domin
Koeleria nitida var. latifrons Koeleria nitida var. latifrons Domin
Koeleria nitida var. laxa Koeleria nitida var. laxa Domin
Koeleria nitida var. missouriana Koeleria nitida var. missouriana Domin
Koeleria nitida var. munita Koeleria nitida var. munita Domin
Koeleria nitida var. nitida Koeleria nitida var. nitida Nutt.
Koeleria nitida var. sublanuginosa Koeleria nitida var. sublanuginosa Domin
Koeleria nitida var. subrepens Koeleria nitida var. subrepens Domin
Koeleria oregana Koeleria oregana Nutt. ex Domin
Koeleria poiformis Koeleria poiformis Domin
Koeleria polyantha Koeleria polyantha Domin
Koeleria polyantha var. californica Koeleria polyantha var. californica Domin
Koeleria pseudocristata f. densevestita Koeleria pseudocristata f. densevestita Domin
Koeleria pseudocristata f. laxa Koeleria pseudocristata f. laxa Domin
Koeleria pseudocristata f. pubescens Koeleria pseudocristata f. pubescens Domin
Koeleria pseudocristata var. longifolia Koeleria pseudocristata var. longifolia Domin
Koeleria pseudocristata var. oregona Koeleria pseudocristata var. oregona Domin
Koeleria pseudocristata var. pseudonitada Koeleria pseudocristata var. pseudonitada Domin
Koeleria robinsoniana Koeleria robinsoniana Domin
Koeleria robinsoniana var. australis Koeleria robinsoniana var. australis Domin
Koeleria robinsoniana var. robinsoniana Koeleria robinsoniana var. robinsoniana Domin
Koeleria tokiensis subsp. mongolica Koeleria tokiensis subsp. mongolica Domin

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: Livingston (KY)

Herbaria represented by specimen data listed below: APSC, EKY

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
31234100176229 Livingston Kentucky Raymond Athey
Koeleria macrantha
31234100176211 Livingston Kentucky Raymond Athey
Koeleria macrantha
APSC0119164 Livingston Kentucky
Koeleria macrantha
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Plant Photos

Koeleria macrantha - Theo Witsell
Koeleria macrantha - Theo Witsell