Spongiophyton
- Citations total:
- 2
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| details | Nd | Nd | Krassilov,V.A. Orestovia and the origin of vascular plants. | 1981 | |
| details | Devonian | Nd | Edwards,D. et al. Miscellaneous. 13F: Older plant macerals (excluding spores). (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) | 1996 |