Silphium integrifolium Michx. var. integrifolium

  • Filed As

    Asteraceae
    Silphium integrifolium Michx. var. integrifolium

  • Collector(s)

    J. B. Walker 1642, 21 Sep 1995

  • Location

    United States of America. Iowa. Pottawattamie Co. E of Council Bluffs, at junction of Hwy 6 and 350th St.

  • Habitat

    Growing roadside and in adjacent fallow field. Assoc w/ Artemisia, Ambrosia, Urtica.

  • Description

    Perennial herb to 1m; ray and disk flowers yellow; disk flowers sterile.

  • Collection Notes

    Received 12/11/95

  • Specimen Notes

    deposit NY - 4/3/96; MO - 4/1/98

  • Identifiers

    NY Barcode: 43542

    Occurrence ID: 1e54620a-d7e1-4f16-a2db-92f362666423

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    Send comments on this specimen record

  • Region

    North America

  • Country

    United States of America

  • State/Province

    Iowa

  • County/Municipio

    Pottawattamie Co.

  • Locality

    E of Council Bluffs, at junction of Hwy 6 and 350th St

  • Elevation

    Alt. 320 m. (1050 ft.)

  • Coordinates

    41.28, -95.48

  • Distribution

    Map all specimens of this taxon

The New York Botanical Garden
INSTITUTE OF ECONOMIC BOTANY
Pfizer Collections and Extractions
NEW YORK BOTANICAL GARDEN
00043542
Y°/î*
BOTANICAL
ASTERACEAE
Si 1 phi um integrifol ium Michx. var. integri folium
det. J. B. Walker, 1995
USA, Iowa. Pottawatamie County. East of Council Bluffs,
at jet of Hwy 6 and 350th Street. 41°17'N. °95'29W.
320m. Asse w/ Artemesia, Ambrosia, Urtica. Growing
roadside and in adjacent fallow field.
Perennial herb to lm; ray and disk flowers yellow; disk
flowers sterile.
Pfizer Sample codes: 1642a RT(JBW-2039); 1642b ST(JBW-2040);
1642c LF(JBW-2Ó41); 1642d IF(JBW-2042)
Jay B. Walker 1642
September 21. 1995
réport any reidentification ofthis voucher
TO THE INSTITUTE OF ECONOMIC BOTANY, NY
Fieldwork supported by Pfizer, Inc.
Voucher for pharmaceutical screening
00043542