Helianthus laevigatus Torr. & A.Gray Fl. N. Amer. 2: 330 (1842)

Nomenclatural References

• literature : Fl. N. Amer. (Torr. & A. Gray) 2: 330. 1842 [Apr 1842] BHL link from IPNI metadata.
• person : Asa Gray (1810-1888) Based on occurrence of standard abbreviation 'A.Gray' in the authors string.
• person : John Torrey (1796-1873) Based on occurrence of standard abbreviation 'Torr.' in the authors string.
• database : IPNI record: 329247-2
• database : The Plant List v1.1 record gcc-24496
• database : The Plant List version 1.0, record: gcc-24496