Galapagos Species Database

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

Echinochloa colonum (L.) Link

arrocillo silvestre, zacate pinto, zacate rayado, Jungle-rice, watergrass, millet rice, awnless barnyard grass

Taxonomy

Domain
Eukaryota

Kingdom
Plantae

Phylum
Magnoliophyta

Class
Liliopsida (= Monocotyledoneae)

Order
Cyperales

Family
Poaceae

Genus
Echinochloa

Species
colonum

Taxon category: Accepted

Also as Echinochloa colona (Fl. Gal., 1971). Syn.: Panicum colonum L.; Oplismenus colonus (L.) Kunth, fide Royal Botanic Gardens, Kew & Missouri Botanical Garden (2010). In Itow (1997) as Echinochloa colonum.

Origin: Introduced - established

Introduction

Year of first record: 1835

Mode of introduction: Accidental

Introduction Pathway: Contaminant

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

Introduced status: Naturalized

Invasive status: No data

Distribution

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

References

  • CONABIO (2009) Catálogo taxonómico de especies de México. Cap. nat. México 1.
  • Guézou, A. Trueman, M., Buddenhagen, E., Chamorro, S., Guerrero, A.M., Pozo, P., Atkinson, R. (2010) An extensive Alien Plan Inventory from the Inhabited Areas of Galapagos Plos One/ www.plosone.org. Volume 5/ Issue 4/e10276
  • Hitchcock, A.S. (1951) Man. Grasses U.S. (ed. 2) 1–1051.
  • Hitchcock, A.S. (1936) Man. Grasses W. Ind. 1–439.
  • Hooker, J.D. (1847) An Enumeration of the Plants of the Galapagos Archipelago; with descriptions of those which are new. Transactions of the Linnean Society of London 20: 163-233.
  • Itow, S. (1997) List of Plant Specimens collected in the Galápagos Islands, Ecuador. Bulletin of the Faculty of Liberal Arts, Nagasaki University, Natural Science, 38 (1): 53-144.
  • Jaramillo, P. (1999) Impact of Human Activities on the Native Plant Life in Galapagos National Park. Galapagos Report, 50-55 (Eds P. Ospina and E. Muñóz.). Quito-Ecuador: Fundación Natura and World Wildlife Fund (WWF).
  • Jaramillo, P. (1999) Impacto de las Actividades Humanas sobre las comunidades de plantas nativas en el Parque Nacional Galápagos. Informe Galápagos, 50-55 (Eds P. Ospina and E. Muñóz). Quito-Ecuador: Fundación Natura y el Fondo Mundial para la Naturaleza (WWF).
  • Jaramillo, P. (1998) Distribución Espacial de la Vegetación Vascular y Dispersión de Especies Introducidas dentro del Parque Nacional Galápagos. Tesis de Doctorado en Biología, Universidad Central del Ecuador. Especialización ECOLOGIA DE POBLACIONES.
  • 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.
  • Lawesson, J.E. (1987) Plantas exóticas en las Islas Galápagos, un resumen. Memorias. Taller sobre investigación Botánica y manejo en Galápagos. Pg. 17-23.
  • Porter, D.M. (1983) Vascular Plants of the Galapagos: Origins and Dispersal. In: Bowman, R.I., Berson, M. & Leviton, A.E. (eds.): Patterns of evolution in Galápagos organisms. Pacific Division, AAAS, San Francisco, California, p. 33-96.
  • Robinson, B.L. (1902) Flora of the Galapagos Islands. Papers from the Hopkins-Stanford Expedition to the Galapgaos Islands. Proc. Amer. Acad. 38(4): 78-270.
  • Wiggins, I.L. Porter, D.M. (1971) Flora of the Galapagos Islands Standford University Press, Stanford.
  • Zuloaga, F.O. (1997) Catálogo de las plantas vasculares de la Argentina. Monogr. Syst. Bot. Missouri Bot. Gard. 74 (2 parts).

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, Echinochloa colonum", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=938. Accessed 31 October 2026.