Concepedia

Resin rodlets in shale and coal (Lower Cretaceous), Baltimore Canyon Trough

Paul C. Lyons, Patrick G. Hatcher, J. A. Minkin, C. L. Thompson, Richard R. Larson, Zoe Ann Brown, Raymond N. Pheifer

International Journal of Coal Geology · 1984 · 16 citations · 21 references

DOI

Concepts

References

21

Amber: A Botanical Inquiry

Jean H. Langenheim · Science · 1969 · 275 citations

, , +4

Early evolution in the Pinaceae

Charles N. Miller · Review of Palaeobotany and Palynology · 1976 · 125 citations

, , +12

Paleozoic origin of the cycads

Sergius H. Mamay · USGS professional paper · 1976 · 100 citations · Full text

, , +13

Morphologic variability of Pennsylvanian lyginopterid seed ferns

Thomas N. Taylor, Michael A. Millay · Review of Palaeobotany and Palynology · 1981 · 71 citations

, , +14

The earliest conifer

Andrew C. Scott · Nature · 1974 · 63 citations