Annals of Botany

Friis, E. M. & Skarby, A. (1982): Scandianthus gen. nov., Angiosperm Flowers of Saxifragalean Affinity from the Upper Cretaceous of Southern Sweden. – Ann. Bot. (Oxford) 50(5): 569–583.

Schönenberger, J., Friis, E. M., Matthews, M. L. & Endress, P. K. (2001): Cunoniaceae in the Cretaceous of Europe: Evidence from fossil flowers. – Ann. Bot. (Oxford) 88(3): 423–437.

Rydin, C., Pedersen, K. R., Crane, P. R. & Friis, E. M. (2006): Former Diversity of Ephedra (Gnetales): Evidence from Early Cretaceous Seeds from Portugal and North America. – Ann. Bot. (Oxford) 98(1): 123–140.

Jud, N. A., Gandolfo, M. A., Iglesias, A. & Wilf, P. (2018): Fossil flowers from the early Palaeocene of Patagonia, Argentina, with affinity to Schizomerieae (Cunoniaceae). – Ann. Bot. (Oxford) 121(3): 431–442.

Savoretti, A., Bippus, A. C., Stockey, R. A., Rothwell, G. W. & Tomescu, A. M. F. (2018): Grimmiaceae in the Early Cretaceous: Tricarinella crassiphylla gen. et sp. nov. and the value of anatomically preserved bryophytes. – Ann. Bot. (Oxford) 121(7): 1275–1286.