Haplopappus phyllocephalus subsp. megacephalus (Nash) H.M.Hall

Nomenclatural References

• person : George Valentine Nash (1864-1921) Based on occurrence of standard abbreviation 'Nash' in the authors string.
• person : Harvey Monroe Hall (1874-1932) Based on occurrence of standard abbreviation 'H.M.Hall' in the authors string.
• database : IPNI record: 1113456-2