Nomenclatural act
Plant Fossil Names Registry Number: PFN002658
Act LSID: urn:lsid:plantfossilnames.org:act:2658
Cyathea cranhamii sp. nov.
Smith, S. Y., Rothwell, G. W. & Stockey, R. A. (2003): Cyathea cranhamii sp. nov. (Cyatheaceae), anatomically preserved tree fern sori from the Lower Cretaceous of Vancouver Island, British Columbia. – American Journal of Botany 90(5): 755–760.