Indian silicified plants

This publication has 5 references indexed in Scilit:

• Mota Padilla on the Coronado Expedition
  Hispanic American Historical Review, 1940
• The structure and life-history ofAzolla pinnata R. Brown with remarks on the fossil history of the hydropterideæ
  Proceedings: Plant Sciences, 1935
• The flora of the Esmeralda formation in western Nevada
  Proceedings of the United States National Museum, 1927
• On the Development of Azolla Filiculoides Lam
  Annals of Botany, 1893
• Ueber Azolla /
  Published by Smithsonian Institution ,1873