Biological Scu' / iccs Wayne State University / Beacon Supergroup / College Picton / Geological Sciences San Diego State University / Ohio State University Institute / Geoscience University of Nevada Las Vegas / /
NaturalFeature
Transantarctic Mountains / Beardmore Glacier / Churchill Mountains / Mount Dick / Queen Maud Mountains / Nicholson Peninsula / Mount Hamilton / Mount Falla / Byrd glacier / Gordon Valley / Nimrod glacier / /
Organization
WILLIAM J. RYAN Department of Geology Augustana College Rock / Transantarctic Mountains MARGARET N. REES Department / National Science Foundation / Ohio State University Institute / Fremouw Formation / GARY H. GIRTY Department of Geological Sciences San Diego State University San Diego / SUSAN K. PANTTAJA Department / Biological Scu' / iccs Wayne State University Detroit / Geoscience University of Nevada Las Vegas / /
Person
MARGARET N. REES / WILLIAM R. HAMMER / I. Antarcticycas / WILLIAM J. RYAN / /
fern possesses a mesarch, amphiphloic siphonostele embedded in a parenchymatous cortex. The pith is often scierified. In these stems there is relatively little support tissue. Only the vascular strand and thickened cells