USGS professional paper · 1980 · 141 citations · 17 references
Natural SciencesBotanyEarth SciencesPaleobotanyPaleoclimatologyPaleoecologyCenozoic FlorasFern PaleobotanyPaleoclimate ReconstructionPaleoecology Of PlantsPostglacial RecolonizationQuaternary PaleoecologyConifer FlorasMegafossil FlorasMiocene FlorasPaleocene FlorasPaleozoic FlorasQuaternary FlorasResearch Collections
Approximately 60 species of megafossil plants are illustrated and are assigned to 45 genera. Most of the species are dicotyledonous, although monocotyledons, ginkgo, conifers, and ferns are also rep resented. Nine species of dicotyledons and one species of monocotyledon are described as new. The flora includes the first de scribed representatives of Cyclocarya, Nymphar, Sorbaria, Pueraria, Decodon, Kalopanax, Lonicera, and Alisma in the North American Tertiary.
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Flowering Plants--Origin and Dispersal.
KENNETH R. SPORNE, Armen Takhtajan, Christopher S. Jeffrey · Journal of Ecology · 1970 · 1.2K citations
A Paleobotanical Interpretation of Tertiary Climates in the Northern Hemisphere
Jack A. Wolfe · AmSci · 1978 · 568 citations
Freezing Resistance of Trees in North America with Reference to Tree Regions
Akira Sakai, C. J. Weiser · Ecology · 1973 · 325 citations
Agriculture, Botany, Plant Sciences +10
Paleogene floras from the Gulf of Alaska region
Jack A. Wolfe · USGS professional paper · 1977 · 257 citations · Full text