Poaceae

Prairie Junegrass

Koeleria macrantha (Ledeb.) Schult.

Family: Poaceae
Genus: Koeleria

Pet and kid safety: not checked yet. Check pet-safe plants

Prairie Junegrass (Koeleria macrantha) — FlowerPhoto: Jo Roberts, CC BY 4.0, from iNaturalist

Is yours looking unwell? Scan your plant — free

Common names

By language (19)

Arabic: خويفيرة كبيرة الزهر
arz: خويفيره كبيرة الزهر
Belarusian: Танканог тонкі
Bulgarian: Едроцветен тънконог
Chinese: 𫈰草, [艹／洽]草, 洽草, 溚草, 艹／洽草
Croatian: Nježna smilica
Czech: Smělek štíhlý
Dutch: Smal fakkelgras
English: Prairie Junegrass, Crested hair-grass, June grass
Estonian: Sale haguhein
Finnish: Hentotoppo
French: Koelérie grêle
German: Zierliches Schillergras, Steppen-Schillergras
hsb: Šwižna šěrawka
Hungarian: Nagyvirágú fényperje
Mongolian: Туяхан дааган сүүл
nv: Tłʼoolétsʼózí
Swedish: Fin tofsäxing
Welsh: Cribwellt

Synonyms

Aira macrantha Ledeb.
Koeleria alpigena subsp. mannagettae Domin
Koeleria alpigena var. mannagettae Domin
Koeleria aschersoniana Domin
Koeleria britanica var. pontarlieri (Domin) Ujhelyi
Koeleria britannica Domin ex Druce
Koeleria cristata subsp. gracilis (Pers.) H.Lindb.
Koeleria cristata subsp. macrantha (Ledeb.) Rothm.
Koeleria cristata subsp. pseudocristata (Domin) Domin
Koeleria cristata subsp. seminuda (Trautv.) Tzvelev
Koeleria cristata var. albescens (DC.) Syme
Koeleria cristata var. gracilis A.Gray
Koeleria cristata var. macrantha (Ledeb.) Griseb.
Koeleria cristata var. major Koch
Koeleria cristata var. pubescens Vasey ex Jeps.
Koeleria elatior f. glabrescens Domin
Koeleria eminens Csató
Koeleria glaucovirens var. jankae Domin
Koeleria gracilis f. aurea Posp.
Koeleria gracilis f. biflora Domin
Koeleria gracilis f. filifolia Domin
Koeleria gracilis f. flaccida Domin
Koeleria gracilis f. mandshurica Domin
Koeleria gracilis f. pubescens Domin
Koeleria gracilis f. quadriflora Domin
Koeleria gracilis f. triflora Domin
Koeleria gracilis var. flaccida Domin
Koeleria gracilis var. mandshurica Domin
Koeleria idahensis Domin
Koeleria macrantha f. longifolia (Burtt Davy) Roy L.Taylor & MacBryde
Koeleria macrantha var. borbasii (Domin) Ghișa
Koeleria mannagettae (Dom.) Ujhelyi
Koeleria nitida var. nitida
Koeleria pseudocristata var. pseudocristata
Koeleria robinsoniana var. robinsoniana
Koeleria seminuda (Trautv.) Domin
Koeleria sibirica Domin
Koeleria soongarica Domin
Koeleria theodoriana Klokov

Flowers

In flower: May to July (from 228 flowering iNaturalist observations worldwide)
Flower colour: yellow (USDA PLANTS Database)

Characteristics

Growth habit: Graminoid
Lifespan: Perennial
In the US and Canada: Alaska: native, Canada: native, Hawaii: introduced, Lower 48 states: native

Photos

FlowerPhoto: Jo Roberts, CC BY 4.0, from iNaturalist
FlowerPhoto: aarongunnar, CC BY 4.0, from iNaturalist
FlowerPhoto: Daryl Nolan, CC0, from iNaturalist
FlowerPhoto: Douglas Goldman, CC BY-SA 4.0, from iNaturalist
FlowerPhoto: Kallum McDonald, CC0, from iNaturalist
Photo: Don Pedro28, CC BY-SA 3.0, from Wikimedia Commons
Photo: Leah Gardner, CC0, from iNaturalist
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons
Photo: Eric Lamb, CC BY 4.0, from iNaturalist
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons
Photo: Steve Matson, CC BY 4.0, from iNaturalist

More in Koeleria

Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.