Ephedra type A
- Citations total:
- 2
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Author - title
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| original | Neocomian | Quaternary | Nd | Staplin,F.L. et al. Relationships among Gymnospermous pollen. | 1967 |
| original | Late Oligocene | Utah | Lindsey,D.A. et al. Upper Oligocene Evaporites in Basin fill of Sevier Desert Region, Western Utah. | 1981 |