Spermopteris, a New Genus of Pteridosperms from the Upper Pennsylvanian Series of Kansas
- 1 December 1960
- journal article
- research article
- Published by Wiley in American Journal of Botany
- Vol. 47 (10), 855-859
- https://doi.org/10.2307/2446582
Abstract
No abstract availableThis publication has 1 reference indexed in Scilit:
- Die fossile Flora der Permischen FormationPublished by Biodiversity Heritage Library ,1864