Crataegus holmesiana var. tardipes (Sarg.) Sarg. J. Arnold Arbor. 1: 254 (1920)

Nomenclatural References

• literature : J. Arnold Arbor. 1: 254. 1920 BHL link from IPNI metadata.
• person : Charles Sprague Sargent (1841-1927) Based on occurrence of standard abbreviation 'Sarg.' in the authors string.
• database : IPNI record: 68402-2