Betula alba subsp. occidentalis (Hook.) Regel Bull. Soc. Imp. Naturalistes Moscou 38(II): 400 (1865)

Nomenclatural References

• literature : Prodr. [A. P. de Candolle] 16(2.2): 165. 1868 [mid Jul 1868] BHL link from IPNI metadata.
• person : Eduard August von Regel (1815-1892) Based on occurrence of standard abbreviation 'Regel' in the authors string.
• person : William Jackson Hooker (1785-1865) Based on occurrence of standard abbreviation 'Hook.' in the authors string.
• database : IPNI record: 32098-2
• database : The Plant List v1.1 record kew-330277
• database : The Plant List version 1.0, record: kew-330277