Peter Hirst published a paper over the last week:
Chen, Y.; Wang, K.; Zhang, Z.; Ou, L.; Luo, X.; Zhu, F.; Hirst, P.M.; Ao, Y. Phenotypic Variation in Seed Morphochemical and Seedling Traits in Four Chinese Provenances of Xanthoceras sorbifolium. Forests 2022, 13,959. https://doi.org/10.3390/ f13060959