| Spermopteris, a new genus of pteridosperms |
Cridland, A.A.; and Morris, J.E. |
American Journal of Botany vol. 47, no. 10, pp. 855-859 |
1960 |
N/A
|
| Taeniopteris, Walchia, and Dichophyllum in the Pennsylvanian System of Kansas |
Cridland, A.A.; and Morris, J.E. |
Kansas University Science Bulletin vol. 44, no. 4, pp. 71-85 |
1963 |
N/A
|
| The Pennsylvanian plants of Kansas and their stratigraphic significance |
Cridland, A.A.; Morris, J.E.; and Baxter, R.W. |
Palaeontographica, Abt. B (Palaeophytologie) vol. 112, no. 1/3, pp. 58-92 |
1963 |
N/A
|
| The Pennsylvanian plants of Kansas and their stratigraphic significance, (abstr.) |
Baxter, R.W.; Cridland, A.A.; and Morris, J.E. |
American Journal of Botany vol. 48, no. 6, pt. 2, p. 540 |
1961 |
N/A
|