POWO follows these authorities in synonymising this name:
Flora of North America Editorial Committee (2014). Flora of North America North of Mexico 9: 1-713. Oxford University Press, New York, Oxford. [Cited as Geum.]
Other Data
Other Kew resources that provide information on this taxon:
The International Plant Names Index and World Checklist of Vascular Plants 2023. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/