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Poaceae

Pond lovegrass

Eragrostis japonica (Thunb.) Trin.

Family
Poaceae
Genus
Eragrostis

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Pond lovegrass: Eragrostis japonica
Photo: Dinesh Valke from Thane, India, CC BY-SA 2.0, from Wikimedia Commons

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Common names

By language (4)
Arabic
أثب ياباني
Chinese
乱草, 日本鯽魚草, 亂草, 碎米知风草, 香榧草
English
Pond lovegrass
Korean
각시그령

Synonyms

  • Aira koenigii J.F.Gmel.
  • Airopsis jubata Griseb.
  • Catabrosa micrantha Hochst. ex A.Rich.
  • Catabrosa pilosa Steud.
  • Diandrochloa diarrhena (Schult.) A.N.Henry
  • Diandrochloa diplachnoides (Steud.) A.N.Henry
  • Diandrochloa glomerata (Walter) Burkart
  • Diandrochloa japonica (Thunb.) A.N.Henry
  • Diandrochloa namaquensis (Nees) De Winter
  • Diplachne elongata Hochst. ex Steud.
  • Diplachne poiformis Hochst. ex Steud.
  • Eragrostis aturensis (Kunth) Trin. ex Steud.
  • Eragrostis aurea Steud.
  • Eragrostis brasiliana Nees
  • Eragrostis caudata Nees
  • Eragrostis conferta (Elliott) Trin.
  • Eragrostis depauperata Andersson
  • Eragrostis diandra Roxb.
  • Eragrostis diarrhena Steud.
  • Eragrostis diarrhena var. koenigii (Kunth) C.E.C.Fisch.
  • Eragrostis diplachnoides Steud.
  • Eragrostis elegans Nees
  • Eragrostis elegans var. laxiflora Arechav.
  • Eragrostis glomerata (Walter) L.H.Dewey
  • Eragrostis hapalantha Trin.
  • Eragrostis hochstetteri Steud.
  • Eragrostis interrupta var. diarrhena (Schult.) Stapf
  • Eragrostis interrupta var. diplachnoides (Steud.) Stapf
  • Eragrostis interrupta var. koenigii Stapf ex Hook.f.
  • Eragrostis interrupta var. laxiflora Döll
  • Eragrostis interrupta var. namaquensis (Nees) T.Durand & Schinz
  • Eragrostis interrupta var. parviflora Döll
  • Eragrostis interrupta var. tenuissima Stapf
  • Eragrostis japonica var. interrupta (Lam.) Henrard
  • Eragrostis koenigii (Kunth) Link
  • Eragrostis koenigii (Kunth) Steud.
  • Eragrostis kossinskyi Roshev.
  • Eragrostis leprieurii Steud.
  • Eragrostis maritima A.Chev.
  • Eragrostis milleflora Steud.

and 46 more.

Characteristics

Growth habit
Graminoid
Lifespan
Annual
In the US and Canada
Lower 48 states: introduced

Photos

More in Eragrostis

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.