Machaerina ensifolia (Boeckeler) T.Koyama

  • Filed As

    Cyperaceae
    Machaerina ensifolia (Boeckeler) T.Koyama

  • Collector(s)

    R. B. Pineschi 35, 07 Dec 1987

  • Location

    Brazil. Rio de Janeiro. Resende, nascentes do Rio Airuoca.

  • Description

    Erva de espiguilhas marron-violáceas. Phenology of specimen: Fertile.

  • Identifiers

    NY Barcode: 622956

    Occurrence ID: 1e9e49a7-e5ee-4f1e-b249-1a8516b96692

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    Send comments on this specimen record

  • Region

    South America

  • Country

    Brazil

  • State/Province

    Rio de Janeiro

  • Locality

    Resende, nascentes do Rio Airuoca.

  • Elevation

    Alt. 2500 m. (8202 ft.)

  • Coordinates

    -22.372, -44.68

  • Coordinate Uncertainty (m)

    2676.57

  • Georeferencing Method

    Georeferencing Quick Reference Guide, Version 2012. Difficult to assess the precise location of the headwaters of Rio Aiuruoca within município Resende in Rio de Janeiro. Georeferenced to the approximated location of the headwaters at elevation 2500 m based on evidence such as the location of Cachoeira Aiuruoca (waterfall) and the span of the river itself. Used Google Maps – Earth, Map, and Terrain Views to locate Rio Aiuruoca, which spans throughout Minas Gerais with headwaters close to the border of the states of Minas Gerais and Rio de Janeiro. Located the point of the headwaters at approximately 2500 m elevation (2480 m). Used the Google Maps – What's Here Tool to find the coordinates of this point of the headwaters. Used the Google Maps – Measure Distance Tool to find the approximate linear extent by measuring from the selected coordinates to the approximated farthest extent of the headwaters (at: -22.351203, -44.693069). Input coordinates, coordinate source (linear extent), coordinate precision (.00001 degrees), datum (WGS84), linear extent (2670.0 m), and measurement error (5 m) into the MaNIS Georeferencing Calculator to find the uncertainty radius (according to the Georeferencing Quick Reference Guide, Named Place: Defined Area). Note: Coordinates are located within the state of Minas Gerais, very nearby the border of Minas Gerais and Rio de Janeiro.

  • Geodetic Datum

    WGS84

  • Distribution

    Map all specimens of this taxon

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