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Petasites hyperboreus Rydb.

First published in N.L.Britton & al. (eds.), N. Amer. Fl. 34: 312 (1927)

This name is a synonym of Petasites frigidus var. frigidus

Taxonomy

Publications
Other data

POWO follows these authorities in synonymising this name:

Flora of North America Editorial Committee (2006). Asteraceae. Flora of Australia 20: 1-666. Australian Government Publishing Service, Canberra. [Cited as Petasites frigidus.]
GCC in GCC (2011). Global Compositae Checklist. Global Compositae Checklist http://compositae.landcareresearch.co.nz/. [Cited as Petasites frigidus.]

Other Kew resources that provide information on this taxon:

IPNI - The International Plant Names Index

Kew Names and Taxonomic Backbone
- 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/
- © Copyright 2022 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0