Vernonia gigantea var. ovalifolia (Torr. & A.Gray) D.B.Ward Phytologia 94(3): 468 (2012)

Nomenclatural References

• literature : Phytologia 94(3): 468. 2012 [1 Dec 2012] BHL link from IPNI metadata.
• person : Asa Gray (1810-1888) Based on occurrence of standard abbreviation 'A.Gray' in the authors string.
• person : Daniel Bertram Ward (1928-2016) Based on occurrence of standard abbreviation 'D.B.Ward' in the authors string.
• person : John Torrey (1796-1873) Based on occurrence of standard abbreviation 'Torr.' in the authors string.
• database : IPNI record: 77129760-1