TY - JOUR T1 - Reproductive organs and in situ spores of asteroxylon mackiei kidston & lang, the most complex plant from the lower devonian Rhynie chert JO - International Journal of Plant Sciences PY - 2013/03/01 AU - Kerp H AU - Wellman CH AU - Krings M AU - Kearney P AU - Hass H ED - DO - DOI: 10.1086/668613 VL - 174 IS - 3 SP - 293 EP - 308 Y2 - 2025/08/11 ER -