Silphium asteriscus var. asperrimum

  • Filed As

    Asteraceae
    Silphium asteriscus var. asperrimum

  • Collector(s)

    D. E. Atha 174, 27 Aug 1993

  • Location

    United States of America. Texas. Blanco Co. Vic. Johnson City. Hwy 281, crossing of Town Creek, 0.4km S of Pedernales River.

  • Identifiers

    NY Barcode: 3090757

    Occurrence ID: 1e67ba77-5b27-48ed-b19f-a8e035606216

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  • Region

    North America

  • Country

    United States of America

  • State/Province

    Texas

  • County/Municipio

    Blanco Co.

  • Locality

    Vic. Johnson City. Hwy 281, crossing of Town Creek, 0.4km S of Pedernales River

  • Coordinates

    30.28, -98.4

  • Distribution

    Map all specimens of this taxon

University of Texas Herbarium TEX-LL
Silphium asteriscus L.
van asperrimum (Hook.) J.A. Clevinger
J. A. Clevinger	July 1999
313
The New York Botanical Garden
INSTITUTE OF ECONOMIC BOTANY
Pfizer Collections and Extractions
ASTERACEAE
Silphium simpsonii Greene
det. D. Atha. 1993
USA Texas. Blanco County. Vic. Johnson City Hwy 281
crossing of Town Creek. 0.4km S of Pedernales River.
30°17'N 98°24'W. With Carya, Salix. Quercus. Cornus.
South side, dry bank of creek, calcareous clay soil.
Perennial erect to 1.5m; flowers at anthesis.
Pfizer Sample codes: 174a PX(Atha-03); 174b RH(Atha-04)
Daniel Atha 174
August 27. 1993
Fieldwork supported by Pfizer. Inc.
Voucher for pharmaceutical screening
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03090757
03090757