Nomenclatural act

Plant Fossil Names Registry Number: PFN000589
Act LSID: urn:lsid:plantfossilnames.org:act:589
Ephedrispermum gen. nov.
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. – Annals of Botany 98(1): 123–140.