Eriosyce malleolata (F.Ritter) P.C.Guerrero & Helmut Walter in Taxon 68(3): 568. 2020.

Nomenclatural References

• person : Friedrich Ritter (1898-1989) Based on occurrence of standard abbreviation 'F.Ritter' in the authors string.
• person : Helmut Walter (b.1947) Based on occurrence of standard abbreviation 'Helmut Walter' in the authors string.
• person : Pablo C. Guerrero Based on occurrence of standard abbreviation 'P.C.Guerrero' in the authors string.