Helianthus petiolaris var. patens (Lehm.) Rydb. ex Porter & Britton Mem. Torrey Bot. Club 5: 334 (1894)

Nomenclatural References

• literature : Mem. Torrey Bot. Club 5: 334. 1894 BHL link from IPNI metadata.
• person : Johann Georg Christian Lehmann (1792-1860) Based on occurrence of standard abbreviation 'Lehm.' in the authors string.
• person : Nathaniel Lord Britton (1859-1934) Based on occurrence of standard abbreviation 'Britton' in the authors string.
• person : Per Axel Rydberg (1860-1931) Based on occurrence of standard abbreviation 'Rydb.' in the authors string.
• person : Thomas Conrad Porter (1822-1901) Based on occurrence of standard abbreviation 'Porter' in the authors string.
• database : IPNI record: 119221-2