Nitrogen isotopes reveal independent origins of N2-fixing symbiosis in extant cycad lineagesDOI: info:10.1038/s41559-023-02251-1
Kipp, Michael A., Stüeken, Eva E., Strömberg, Caroline A. E., Brightly, William H., Arbour, Victoria M., Erdei, Boglárka, Hill, Robert S., Johnson, Kirk R., Kvaček, Jiří, McElwain, Jennifer C., Miller, Ian M., Slodownik, Miriam, Vajda, Vivi, and Buick, Roger. 2023. "Nitrogen isotopes reveal independent origins of N2-fixing symbiosis in extant cycad lineages." Nature Ecology & Evolution, https://doi.org/10.1038/s41559-023-02251-1.