Silphium asteriscus var. trifoliatum (L.) Clevinger

  • Filed As

    Asteraceae
    Silphium asteriscus var. trifoliatum (L.) Clevinger

  • Collector(s)

    H. D. House 1389, 16 Aug 1905

  • Location

    United States of America. District of Columbia. near Naval Observatory.

  • Identifiers

    NY Barcode: 3047333

    Occurrence ID: b7cda2c9-1101-4353-90bd-cbb527baaa22

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  • Region

    North America

  • Country

    United States of America

  • State/Province

    District of Columbia

  • Locality

    near Naval Observatory

  • Coordinates

    38.9217, -77.067

  • Coordinate Uncertainty (m)

    333.719

  • Georeferencing Method

    GEOLocate Web Application. Located coord of geogr center of Observation Hill (iiif.lib.harvard.edu/manifests/view/ids:7349745). Measured frm coord to farthest ext of hill=lin ext (322.15 m). Input info into MaNIS Georef Calc to find uncert.

  • Distribution

    Map all specimens of this taxon

Silphium asteriscus L.
ssp. trifoliatum (L.)
Weber & Fisher comb. nov.
DET.
W. R. WEBER & T. R. FISHER
PLANTS OF THE DISTRICT OF COLUMBIA
AND VICINITY
......
03047333