Galapagos Species Database
The Galapagos Species Database shares the information about the species from our Natural History Collections.
Rhynchospora rugosa
claybank beaksedge
Culms tufted from short rhizome, slender but rigid, 30-70 cm tall, 3-sided, smooth, 2 or 3 nodes per culm; leaves basal and 2 or 3 on upper culm (at nodes); blades narrowly linear, 2-4 mm wide, folded, thinly coriaceous, gradual long-acumiate at apex, scaberulous on margins (Wiggins and Porter, 1971).
Occurring in marshy places (Wiggins and Porter, 1971).
Domain
Eukaryota
Kingdom
Plantae
Phylum
Magnoliophyta
Class
Liliopsida (= Monocotyledoneae)
Order
Cyperales
Family
Cyperaceae
Genus
Rhynchospora
Species
rugosa
Taxon category: Accepted
Origin: Native
Map of specimen collection localities or observation records for this species in our collections database.
Distribution: The native range of this species is N. Pacific, Mexico to Tropical America (POWO, 2023).
- Adsersen, H. (s.a.) Personal observations Charles Darwin Research Station, unpublished Manuscript.
- Eliasson, U. (1965) Studies in Galápagos Plants. II. Cyperales. Svensk Botanisk Tidskrift 59: 469-491.
- 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
- Hokche, O. Berry, P.E. & Huber, O. (2008) Nuev. Cat. Fl. Vas. Venezuela 1–860.
- Itow, S. (1987) Comunidades Herbaceas y Ericaceas en las tierras altas de Santa Cruz Islas Galápagos. Pg. 52 - 65. Memorias: Taller sobre investigación Botánica y manejo en Galápagos.
- 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.
- Jäger, H. Tye, A., Kowarik, I. (2007) Tree invasion in naturally treeless environments: Impacts of quinine (Cinchona pubescens) trees on native vegetation in Galápagos Institute of Ecology, Department of Ecosystem Sciences and Plant Ecology, Technical University Berlin, Rothenburgstr. 12, 12165 Berlin, Germany.
- 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.
- Royal Botanic Gardens, Kew Missouri Botanical Garden (eds.) (2013) The Plant List, Version 1.1. Published on the Internet; http://www.theplantlist.org/ (accessed 1st January).
- 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/
- Standley, P.C. Steyermark, J.A. (1958) Cyperaceae. In: P.C. Standley & J.A. Steyermark (eds.): Flora of Guatemala—Part I. Fieldiana, Bot. 24(1): 90–196.
- 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, Rhynchospora rugosa", dataZone. Charles Darwin Foundation, https://datazone.darwinfoundation.org/en/checklist/?species=909. Accessed 1 November 2026.