1. Family: Poaceae Barnhart
    1. Genus: Muhlenbergia Schreb.
      1. Muhlenbergia asperifolia (Nees & Meyen ex Trin.) Parodi

        This species is accepted, and its native range is N. America, Bolivia to S. South America.

    [GB]
    Habit
    Perennial. Rhizomes elongated; scaly. Culms geniculately ascending, or decumbent; 10-50 cm long. Ligule an eciliate membrane; 0.2-0.5 mm long. Leaf-blades flat, or conduplicate; 2-6 cm long; 1-2 mm wide. Leaf-blade surface scabrous; rough adaxially.
    Inflorescences
    Inflorescence a panicle; not deciduous as a whole, or deciduous as a whole. Panicle open; ovate; effuse; 6-15 cm long; 6-14 cm wide. Primary panicle branches spreading. Panicle branches capillary. Spikelets solitary. Fertile spikelets pedicelled. Pedicels filiform; scaberulous.
    Spikelets
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed; compressed slightly; 1.5-2 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Fertile
    Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed; compressed slightly; 1.5-2 mm long; breaking up at maturity; disarticulating below each fertile floret.
    Glume
    Glumes persistent; similar; shorter than spikelet; thinner than fertile lemma. Lower glume lanceolate; 1-1.5 mm long; 1 length of upper glume; hyaline; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume apex obtuse, or acute. Upper glume lanceolate; 1-1.5 mm long; 0.6-0.75 length of adjacent fertile lemma; hyaline; without keels; 1 -veined. Upper glume lateral veins absent. Upper glume apex obtuse, or acute.
    Florets
    Fertile lemma oblong; 1.5-2 mm long; membranous; without keel; 3 -veined. Lemma apex erose; obtuse; muticous, or mucronate. Palea 1 length of lemma; 2 -veined.
    Flowers
    Lodicules 2; cuneate; fleshy. Anthers 3; 1-1.2 mm long.
    Fruits
    Caryopsis with adherent pericarp; ellipsoid; 0.8-0.9 mm long.
    Distribution
    North America: western Canada, northwest USA, north-central USA, northeast USA, southwest USA, south-central USA, and Mexico. South America: western South America and southern South America.
    Reference
    Eragrostideae. WDC.

    Images

    Distribution

    Native to:

    Alberta, Argentina Northeast, Argentina Northwest, Argentina South, Arizona, Bolivia, British Columbia, California, Chile Central, Chile North, Chile South, Colorado, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Manitoba, Maryland, Mexico Northeast, Mexico Northwest, Mexico Southwest, Michigan, Minnesota, Missouri, Montana, Nebraska, Nevada, New Mexico, New York, North Dakota, Ohio, Oklahoma, Ontario, Oregon, Pennsylvania, Saskatchewan, South Dakota, Texas, Utah, Washington, Wisconsin, Wyoming

    Muhlenbergia asperifolia (Nees & Meyen ex Trin.) Parodi appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Chile K000308937
    K000308940
    Mendoza [s.n.], Argentina K000308938
    Mendoza [s.n.] K000308939
    Chile K000308874

    First published in Revista Fac. Agron. Veterin. 6: 117 (1928)

    Accepted by

    • Lamont, E.E., Werier, D. & Glenn, S.D. (2014). Noteworthy plants reported from the Torrey range - 2011 and 2012 Journal of the Torrey Botanical Society 141: 95-108.
    • Zuloaga, F.O., Morrone, O. , Belgrano, M.J., Marticorena, C. & Marchesi, E. (eds.) (2008). Catálogo de las Plantas Vasculares del Cono Sur Monographs in Systematic Botany from the Missouri Botanical Garden 107: 1-3348.
    • Clayton, W.D., Harman, K.T. & Williamson, H. (2006). World Grass Species - Synonymy database The Board of Trustees of the Royal Botanic Gardens, Kew.
    • Dávila, P., Mejia-Saulés, M.T., Gómez-Sánchez, N., Valdés-Reyna, J., Ortíz, J.J., Morín, C., Castrejón, J. & Ocampo, A. (2006). Catálogo de las Gramíneas de México: 1-671. CONABIO, México city.
    • Jones, R.L. (2005). Plant life of Kentucky. An illustrated guide to the vascular flora: 1-833. The universitry press of Kentucky.
    • Flora of North America Editorial Committee (2003). Flora of North America North of Mexico 25: 1-781. Oxford University Press, New York, Oxford.
    • Renvoize, S.A. (1998). Gramineas de Bolivia: 1-644. The Royal Botanic Gardens, Kew.

    Literature

    Kew Backbone Distributions
    • Zuloaga, F.O., Morrone, O. , Belgrano, M.J., Marticorena, C. & Marchesi, E. (eds.) (2008). Catálogo de las Plantas Vasculares del Cono Sur Monographs in Systematic Botany from the Missouri Botanical Garden 107: 1-3348.
    • Dávila, P., Mejia-Saulés, M.T., Gómez-Sánchez, N., Valdés-Reyna, J., Ortíz, J.J., Morín, C., Castrejón, J. & Ocampo, A. (2006). Catálogo de las Gramíneas de México: 1-671. CONABIO, México city.
    • Jones, R.L. (2005). Plant life of Kentucky. An illustrated guide to the vascular flora: 1-833. The universitry press of Kentucky.
    • Flora of North America Editorial Committee (2003). Flora of North America North of Mexico 25: 1-781. Oxford University Press, New York, Oxford.
    • Renvoize, S.A. (1998). Gramineas de Bolivia: 1-644. The Royal Botanic Gardens, Kew.

    Sources

    GrassBase - The Online World Grass Flora
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Herbarium Catalogue Specimens
    'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2018. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

    Kew Names and Taxonomic Backbone
    The International Plant Names Index and World Checklist of Selected Plant Families 2018. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0