| Publication Type: | Journal Article |
| Year of Publication: | 2003 |
| Authors: | G. R. Hernandez-Castillo, Rothwell, G. W., Stockey, R. A., Mapes, G. |
| Journal: | International Journal of Plant Sciences |
| Volume: | 164 |
| Start Page: | 443 |
| Pagination: | 443-452 |
| URL: | http://www.geologia.unam.mx/igl/deptos/paleo/hernandezcg/pdf/pdf6.pdf |