EARLY AND MID-CRETACEOUS ARISTOLOCHIACEOUS SEEDS FROM PORTUGAL AND EASTERN NORTH AMERICA
INTERNATIONAL JOURNAL OF PLANT SCIENCES（2022）
关键词
Aristolochiaceae,bitegmic,Early Cretaceous,early angiosperms,fossil seeds,magnoliids,Piperales,synchrotron radiation X-ray tomographic microscopy (SRXTM)
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