Bases for determining relationships among the Medullosaceae |
Stewart, W.N.; and Delevoryas, Theodore |
American Journal of Botany vol. 39, no. 7, pp. 505-516 |
1952 |
N/A
|
Cauline vasculature and leaf trace production in medullosan pteridosperms |
Basinger, J.F.; Rothwell, G.W.; and Stewart, W.N. |
American Journal of Botany vol. 61, no. 9, pp. 1002-1015 |
1974 |
N/A
|
Probable attachment of the Dolerotheca campanulum to a Myeloxylon-Alethopteris type frond |
Ramanujam, C.G.K.; Rothwell, G.W.; and Stewart, W.N. |
American Journal of Botany vol. 61, no. 10, pp. 1057-1066 |
1974 |
N/A
|
The structure and relationship of Pachytesta composita sp. nov. |
Stewart, W.N. |
American Journal of Botany vol. 45, no. 7, pp. 580-588 |
1958 |
N/A
|