Nomenclatural act

Plant Fossil Names Registry Number: PFN001894
Act LSID: urn:lsid:plantfossilnames.org:act:1894
Asplenium difforme Sternb. designation of lectotype
Kvaček, J., Dašková, J. & Libertín, M. (2021): Catalogue of plant fossils described in works by Kaspar M. Sternberg. Second revised edition. – Sternbergiana 1: 1–309., page 33