TY  - JOUR
TI  - Some Pteridosperm Stems and Fructifications with Particular Reference to the Medullosae
T2  - Annals of the Missouri Botanical Garden
VL  - 36
UR  - https://www.biodiversitylibrary.org/part/26885
PB  - Missouri Botanical Garden Press
CY  - St. Louis
PY  - 1949
SP  - 287
EP  - 353
DO  - 10.2307/2394397
AU  - Baxter, Robert W
ER  -