Petasites palmatus subsp. speciosus (Nutt.) J.Toman

, Folia Geobot. Phytotax. 7(4): 391 (1972).
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External links to taxonomic opinions:
WFO POWO
IPNI Life Sciences Identifier (LSID)
urn:lsid:ipni.org:names:191115-2
Publication
Folia Geobotanica & Phytotaxonomica. Prague.
Collation
7(4): 391
Family as entered in IPNI
Asteraceae

Links

Nomenclatural link
Nardosmia speciosa Nutt., Trans. Amer. Philos. Soc. ser. 2, 7: 288 (1840).
Same citation as
Petasites palmatus subsp. speciosus (Nutt.) Toman, Folia Geobot. Phytotax. 7(4): 391 (1972).