Dr. phil. Wirtgen: Herbarium plantae criticae, selectae, hybridae florae Rhenanae, editio nova
Abbreviation: Andres, Wirtgen Herb. Fl. Rhen., Ed. Nova
Editor(s): Andres, H.
Range: 1 - ~ 1200
The PCC, and this data portal, were made possible by funding from the National Science Foundation’s Advancing Digitization of Biological Collections (ADBC) program, grant numbers 1802504, 1802352, 1802134, 1802033, 1802270, 1802255, 1802239, 1802446, 1802305.
The pteridoportal taxonomic thesaurus is based on the Checklist of Ferns and Lycophytes of the World, generously provided by Michael Hassler.