Petasites nivalis subsp. hyperboreus (Rydb.) J.Toman

, Folia Geobot. Phytotax. 7(4): 390 (1972).
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External links to taxonomic opinions:
WFO POWO
IPNI Life Sciences Identifier (LSID)
urn:lsid:ipni.org:names:191112-2
Publication
Folia Geobotanica & Phytotaxonomica. Prague.
Collation
7(4): 390
Family as entered in IPNI
Asteraceae

Links

Nomenclatural link
Petasites hyperboreus Rydb., N. Amer. Fl. 34(4): 312 (1927).
Same citation as
Petasites nivalis subsp. hyperboreus (Rydb.) Toman, Folia Geobot. Phytotax. 7(4): 390 (1972).