A new fertile schizaeaceous fern from middle Pennsylvanian Iowa coal balls.
| Main Authors: | , |
|---|---|
| Corporate Author: | |
| Format: | Book |
| Language: | English |
| Published: |
Kansas
University of Kansas
1977.
|
| Main Authors: | , |
|---|---|
| Corporate Author: | |
| Format: | Book |
| Language: | English |
| Published: |
Kansas
University of Kansas
1977.
|