Primer informe sobre los fitolitos de las plantas del sitio OGSE-80 y la evidencia del cultivo de maíze en el Ecuador
book chapter 1988 Piperno, Dolores R. et al.

Early Northwest South American LittoralSouth America > Northwestern South America
This study, in Spanish, is a phytolithic investigation of the various plants found at the Las Vegas site (OGSE-80) on the Santa Elena peninsula, Ecuador. Piperno also discusses evidence for maize cultivation at the site which she dates to the late La...

Phytolith analysis of an archaeological site (Longshan Period) in Zhumadian City, Henan Province, China
article 1994 Jiang, Qinhua & Piperno, Dolores R.

Yellow River Late NeolithicAsia > East Asia
Interested in obtaining environmental and cultural data for the Longshan phase, the authors collected soil samples to analyze pollen, phytoliths, clay, sediments, and plant and animal remains. Here they present their analysis of the phytolith samples...

Early agriculture in the Maya lowlands
article 1996 Pohl, Mary D. et al.

Lowland Mesoamerican ArchaicMiddle America and the Caribbean > Maya Area
Pohl summarizes the development of agriculture in Mesoamerica. She then goes on to summarize research in the wetlands of northern Belize (which included excavation and the taking of pollen cores) and to present evidence for the development of agricul...