Erigeron concinnus var. concinnus

Nomenclatural References

• person : Asa Gray (1810-1888) Based on occurrence of standard abbreviation 'A.Gray' in the authors string.
• person : George Arnott Walker-Arnott (1799-1868) Based on occurrence of standard abbreviation 'Arn.' in the authors string.
• person : John Torrey (1796-1873) Based on occurrence of standard abbreviation 'Torr.' in the authors string.
• person : William Jackson Hooker (1785-1865) Based on occurrence of standard abbreviation 'Hook.' in the authors string.
• database : The Plant List v1.1 record gcc-61339
• database : The Plant List version 1.0, record: gcc-61339