Nomenclatural act

Plant Fossil Names Registry Number: PFN001877
Act LSID: urn:lsid:plantfossilnames.org:act:1877
Ricciopsis speirsiae sp. nov.
Hoffman, G. L. & Stockey, R. A. (1997): Morphology and paleoecology of Ricciopsis speirsae sp.nov. (Ricciaceae), a fossil liverwort from the Paleocene Joffre Bridge locality, Alberta, Canada. – Canadian Journal of Botany 75(8): 1375–1381.