Galapagos Species Database

The Galapagos Species Database shares the information about the species from our Natural History Collections.

Leersia hexandra Sw.

arrocillo, arroz bravo , hierba de arroz, southern cut grass, rice cut-grass, clubhead cut-grass

Taxonomy

Domain
Eukaryota

Kingdom
Plantae

Phylum
Magnoliophyta

Class
Liliopsida (= Monocotyledoneae)

Order
Cyperales

Family
Poaceae

Genus
Leersia

Species
hexandra

Taxon category: Accepted

Syn.: Leersia dubia F. Aresch.

Origin: Introduced - established

Introduction

Year of first record: 2000

Mode of introduction: Accidental

Introduction Pathway: Contaminant

Subpathway: Contaminant on plants (inc. seeds and plant associated material)

Introduced status: Naturalized

Invasive status: Invasive

Distribution

Map of specimen collection localities or observation records for this species in our collections database.

References

  • Jørgensen, P.M. León-Yánez, S. (eds.) (1999) Catalogue of the Vascular Plants of Ecuador. Monographs in Systematic Botany from the Missouri Botanical Garden 75. Missouri Botanical Garden Press, St. Louis, 1181 pp.
  • Tropicos.org. (2017) Database of Missouri Botanical Garden. Tropicos.org. Missouri Botanical Garden. 06 Oct 2017 <http://www.tropicos.org
  • CONABIO (2009) Catálogo taxonómico de especies de México. Cap. nat. México 1.
  • Judziewicz, E. J. (1990) Family 187. Poaceae (Gramineae). Fl. Guianas, ser. A, Phanerog. 8: 1–727.
  • D'Arcy, W.G. (1987) Flora of Panama. Checklist and Index. Monogr. Syst. Bot. Missouri Bot. Gard. 17(1): i–xxx, 1–328; 18(2): i–ix, 1–672.
  • Hitchcock, A.S. (1936) Man. Grasses W. Ind. 1–439.
  • Hitchcock, A.S. (1951) Man. Grasses U.S. (ed. 2) 1–1051.
  • Smith, L.B. Wasshausen, D.C. & Klein, R.M. (1982) Gramíneas. Géneros: 45. Deschampsia até 84. Pseudechinolaena. Fl. Il. Catarin. 1(GRAM): 443–906.
  • Terrell, E.E. Duvall, M.R. (2000) Leersia. In Catalogue of New World Grasses (Poaceae): I. Subfamilies Anomochlooideae, Bambusoideae, Ehrhartoideae, and Pharoideae. Contr. U.S. Natl. Herb. 39: 64-67.
  • Laegaard, S. García, P.P. (2004) Invasive grasses in the Galapagos Islands. Lyonia, 6(2):171-175.

You are welcome to download and use the information found in this page, acknowledging its source.

This page should be cited as follows:

"Galapagos Species Database, Leersia hexandra", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=1694. Accessed 14 June 2025.