- Author:
- Baxter,R.W.
- Year:
- 1972
- Title:
- A Heterosporous fern from the Middle Pennsylvanian of Kansas
- Reference:
- Baxter,R.W. (1972) A Heterosporous fern from the Middle Pennsylvanian of Kansas American Journal of Botany Vol. 59 # 6 P. 659- 659
- Google Academy:
- try to search by title in english
| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Megaspore | Megaspore | Kansas | Middle Pennsylvanian |