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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Biosystematic studies in the genus Silphium : the perfoliate taxa /

Cruden, Robert William. January 1960 (has links)
Thesis (M.S.)--Ohio State University, 1960. / Includes bibliographical references. Available online via OhioLINK's ETD Center
2

The isolation and characterization of triterpene saponins from Silphium and the chemosystematic and biological significance of saponins in the Asteraceae

Calabria, Lalita Maria, January 1900 (has links)
Thesis (Ph. D.)--University of Texas at Austin, 2008. / Vita. Includes bibliographical references.
3

Systematics of Silphium and its subtribe Engelmanniinae (Asteraceae : Heliantheae) /

Clevinger, Jennifer Ann, January 1999 (has links)
Thesis (Ph. D.)--University of Texas at Austin, 1999. / Vita. Includes bibliographical references (leaves 192-198). Available also in a digital version from Dissertation Abstracts.
4

The isolation and characterization of triterpene saponins from Silphium and the chemosystematic and biological significance of saponins in the Asteraceae

Calabria, Lalita Maria, 1980- 29 August 2008 (has links)
Not available / text
5

The flavonoids and phenolic acids of the genus Silphium and their chemosystematic and medicinal value /

Williams, Jeffrey Douglas. January 2006 (has links)
Thesis (Ph. D.)--University of Texas at Austin, 2006. / Includes bibliographical references (p. 188-194). Also available via the World Wide Web: http://www.lib.utexas.edu/etd/d/2006/williamsj92964/williamsj92964.pdf#page=3
6

The flavonoids and phenolic acids of the genus Silphium and their chemosystematic and medicinal value

Williams, Jeffrey Douglas, January 1900 (has links) (PDF)
Thesis (Ph. D.)--University of Texas at Austin, 2006. / Vita. Includes bibliographical references.
7

The flavonoids and phenolic acids of the genus Silphium and their chemosystematic and medicinal value

Williams, Jeffrey Douglas 28 August 2008 (has links)
Not available
8

The Phototropic Properties of Lactuca Ludoviciana (Nutt.) DC. and Silphium Laciniatum L.

Neal, George C. January 1941 (has links)
This paper deals with certain phases of phototropic properties of two exceptional plants, the pertinent behavior of each being decidedly individualistic and in remarkable contrast to that of herbaceous plants in general. The prickly lettuce, Lactuca ludoviciana (Nutt.) DC. and the rosinweed, Silphium laciniatum L., two common Denton County, Texas, plants, have been selected for this study.

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