Galapagos Species Database
The Galapagos Species Database shares the information about the species from our Natural History Collections.
Megathyrsus maximus
Pasto sabolla, pasto Tanzania, Guinea grass
Domain
Eukaryota
Kingdom
Plantae
Phylum
Magnoliophyta
Class
Liliopsida (= Monocotyledoneae)
Order
Poales
Family
Poaceae
Genus
Megathyrsus
Species
maximus
Taxon category: Accepted
Syn.: Panicum maximum Jacq.; Syn.: Urochloa maxima (Jacq.) R.D. Webster
Origin: Introduced - established
Year of first record: 1964
Year of introduction: 1964
Mode of introduction: Intentional
Introduction Pathway: Intentional
Subpathway: Agriculture/Horticulture
Introduced status: Naturalized
Invasive status: Invasive
Map of specimen collection localities or observation records for this species in our collections database.
- Blake, S. Wikelski, M., Cabrera, F., Guézou, A., Silva, M., Sadeghayobi, E., Yackulik, C. & Jaramillo, P. (2011) Gardeners of Galapagos? Seed dispersal by giant tortoises. Journal of Biogeography (submission): 1-41.
- Davidse, G. (1994) 113. Panicum L. Flora de Mesoamérica. 6: 302–318.
- Davidse, G. Sousa, S.M. & Chater, A.O. (1994) Alismataceae a Cyperaceae. Fl. Mesoamer. 6: i–xvi, 1–543.
- Funk, V.T. Hollowell, T., Berry, P., Kelloff, C. & Alexander, S.N. (2007) Checklist of the Plants of the Guiana Shield (Venezuela: Amazonas, Bolivar, Delta Amacuro; Guyana, Surinam, French Guiana). Contributions from the United States National Herbarium 55: 1-584.
- Guerrero, A. Tye, A. (2009) Darwin's Finches as seed predators and dispersers. The Wilson Journal Of Ornithology 121 (4):752-764, 2009
- 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
- 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.
- Laegaard, S. García, P.P. (2004) Invasive grasses in the Galapagos Islands. Lyonia, 6(2):171-175.
- Lawesson, J.E. (1987) Plantas exóticas en las Islas Galápagos, un resumen. Memorias. Taller sobre investigación Botánica y manejo en Galápagos. Pg. 17-23.
- Moll, E. (1990) A Report on the Distribution of Introduced Plants on Santa Cruz Island, Galapagos Charles Darwin Reaearch Station, unpublished.
- 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.
- Royal Botanic Gardens, Kew (2022) Plants of the world online POWO (2022): Plants of the world online. Published on the Internet; Https://powo.science.kew.org/
- Stevens, W.D. Ulloa, C., Pool, A., & Montiel, O.M. (2001) Flora de Nicaragua. Monogr. Syst. Bot. Missouri Bot. Gard. 85: i–xlii, 1–2666.
- Tropicos.org. (2017) Database of Missouri Botanical Garden. Tropicos.org. Missouri Botanical Garden. 06 Oct 2017 <http://www.tropicos.org
- Wiggins, I.L. Porter, D.M. (1971) Flora of the Galapagos Islands Standford University Press, Stanford.
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, Megathyrsus maximus", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=25056. Accessed 30 October 2026.