Koeleria macrantha

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prairie Junegrass
crested hair-grass
Koeleria macrantha.JPG
Koeleria macrantha
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Monocots
(unranked): Commelinids
Order: Poales
Family: Poaceae
Subfamily: Pooideae
Genus: Koeleria
Species: K. macrantha
Binomial name
Koeleria macrantha
(Ledeb.) Schult.
  • Aira macrantha Ledeb.
  • Koeleria cristata var. macrantha (Ledeb.) Griseb.
  • Koeleria cristata subsp. macrantha (Ledeb.) Rothm.
  • Aira cristata L.
  • Poa cristata (L.) L.
  • Festuca cristata (L.) Vill.
  • Aira bulbosa Krock.
  • Melica gmelinii Roth
  • Poa nitida Lam.
  • Melica hirsuta Koeler
  • Koeleria gracilis Pers.
  • Dactylis cristata (L.) M.Bieb.
  • Poa aristata P.Beauv.
  • Koeleria albescens DC.
  • Aira gracilis Trin.
  • Koeleria parviflora Bertol. ex Schult.
  • Airochloa albescens (DC.) Link
  • Airochloa cristata (L.) Link
  • Aira dactyloides Rochel
  • Airochloa gracilis (Trin.) Link
  • Koeleria pallida Wallr.
  • Airochloa parviflora Nees
  • Koeleria albida Opiz
  • Koeleria fenzliana Schur
  • Koeleria transsilvanica Schur
  • Koeleria flexilis Janka
  • Koeleria ambigua Schur
  • Koeleria arkansana Nutt. ex Scribn.
  • Achaeta geniculata E.Fourn.
  • Koeleria pseudocristata Domin
  • Koeleria compacta Adamovic
  • Koeleria oregana Domin
  • Koeleria supra-arenaria Domin ex Druce
  • Koeleria tokiensis Domin
  • Koeleria alpigena Domin
  • Koeleria arctica Domin
  • Koeleria aschersoniana Domin
  • Koeleria australiensis Domin
  • Koeleria elegantula Domin
  • Koeleria helvetica Domin
  • Koeleria idahoensis Domin
  • Koeleria longifolia Nutt. ex Domin
  • Koeleria macrura Domin
  • Koeleria mukdenensis Domin
  • Koeleria poiformis Domin
  • Koeleria polyantha Domin
  • Koeleria pontarlieri Domin
  • Koeleria robinsoniana Domin
  • Koeleria seminuda (Trautv.) Domin
  • Koeleria soongarica Domin
  • Koeleria velenovskyi Domin
  • Koeleria intermedia Tourlet
  • Koeleria conglobata Velen.
  • Koeleria latifrons (Domin) Rydb.
  • Koeleria wolgensis P.A.Smirn.
  • Koeleria sclerophylla P.A.Smirn.
  • Koeleria sibirica (Domin) Gontsch.
  • Koeleria talievii Lavrenko
  • Koeleria yukonensis Hultén
  • Koeleria krylovii Reverd.
  • Koeleria janoensis Petrov & Karav. in M.N.Karavaev
  • Koeleria javorkae Ujhelyi
  • Koeleria britannica (Domin) Ujhelyi
  • Koeleria chakassica Reverd.
  • Koeleria transiliensis Reverd. ex Gamajun.
  • Koeleria csatoi Ujhelyi
  • Koeleria jankae Ujhelyi
  • Koeleria tenuipes (Domin) Ujhelyi
  • Koeleria kurdica Ujhelyi
  • Koeleria nyaradyi Ujhelyi,
  • Koeleria mannagettae (Domin) Ujhelyi
  • Koeleria bitczenachica (Tzvelev) Tzvelev
  • Koeleria californica (Domin) Beetle
  • Koeleria calarashica M.G.Kalen.
  • Koeleria taurica M.G.Kalen.,
  • Koeleria amurensis (Domin) Tzvelev
  • Koeleria gordjaginii (Domin) Tzvelev
  • Koeleria kulikovii Tzvelev
  • Koeleria pilifera (Domin) Tzvelev
  • Koeleria sibirensis (Domin) Tzvelev
  • Koeleria spryginii Tzvelev
  • Koeleria theodoriana (Klokov) Tzvelev
  • Koeleria timuchinii Tzvelev
  • Koeleria transvolgensis Tzvelev

Koeleria macrantha is a species of grass known by the common name prairie Junegrass in the USA and crested hair-grass in the UK. It is widespread across much of Eurasia and North America.[1][2][3] It occurs in a large number of habitat types, especially prairie.


Koeleria macrantha is a short, tuft-forming perennial bunchgrass, reaching heights from 20–70 centimetres (7.9–27.6 in). The leaves are basal and up to about 20 centimeters long. The inflorescence is nearly cylindrical and may taper somewhat toward the tip. It holds shiny tan spikelets which are sometimes tinted with purple, each about half a centimeter long.

It is a good forage for many types of grazing animals. It is classified as a severe allergen in humans with grass allergy.[4]


Koeleria is used as an exceptionally low-maintenance lawn and turf grass. It is not suitable for high-traffic use due to its slow growth rate. It is often used for golf course roughs.[5]


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