TY - JOUR T1 - SPORE WALL ULTRASTRUCTURE OF THE LOWER DEVONIAN ZOSTEROPHYLLS RENALIA HUEBERI AND ZOSTEROPHYLLUM DIVARICATUM JO - INTERNATIONAL JOURNAL OF PLANT SCIENCES PY - 2013/11/01 AU - Gensel PG AU - Wellman CH AU - Taylor WA ED - DO - DOI: 10.1086/673240 VL - 174 IS - 9 SP - 1302 EP - 1313 Y2 - 2024/12/22 ER -