Crataegus sanguinea var. songorica Regel Index Seminum (LE, Petropolitanus) 1876: 36 (1876)

Nomenclatural References

• literature : Index Seminum [St.Petersburg (Petropolitanus)] 1876: 36. [Dec 1876] BHL link from IPNI metadata.
• person : Eduard August von Regel (1815-1892) Based on occurrence of standard abbreviation 'Regel' in the authors string.
• database : IPNI record: 724271-1