Synonomy - Petasites frigidus var. x vitifolius

Asteraceae Family

Petasites frigidus (L.) Fr.

  • En: northern sweet coltsfoot, arctic sweet coltsfoot
  • Fr: pétasite palmé
  • Synonomy Information[=Nardosmia frigida (L.) Hook.]
    [=Tussilago frigida L. - basionym]

Petasites frigidus var. frigidus (L.) Fr.

  • En:
  • Synonomy Information

Petasites frigidus var. palmatus (Aiton) Cronquist

  • En: northern sweet coltsfoot, western sweet coltsfoot, arctic butterbur
  • Fr: pétasite palmé
  • Synonomy Information[=Nardosmia arctica (A.E.Porsild) Á.Löve & D.Löve]
    [=Nardosmia frigida (L.) Hook. var. palmata (Aiton) Herder]
    [=Nardosmia hookeriana Nutt., nom. illeg. superfl.]
    [=Nardosmia palmata (Aiton) Hook.]
    [=Nardosmia speciosa Nutt.]
    [=Petasites arcticus A.E.Porsild]
    [=Petasites frigidus (L.) Fr. subsp. arcticus (A.E.Porsild) Cody]
    [=Petasites frigidus (L.) Fr. subsp. palmatus (Aiton) Cody]
    [=Petasites hookerianus (Nutt.) Rydb.]
    [=Petasites palmatus (Aiton) A.Gray]
    [=Petasites palmatus (Aiton) A.Gray subsp. speciosus (Nutt.) J.Toman]
    [=Petasites speciosus (Nutt.) Piper]
    [=Tussilago palmata Aiton - basionym]

Petasites frigidus var. sagittatus (Banks ex Pursh) Chern.

  • En: arrowleaf sweet coltsfoot, arrowhead sweet coltsfoot
  • Fr: pétasite sagitté
  • Synonomy Information[=Nardosmia sagittata (Banks ex Pursh) Hook.]
    [=Petasites dentatus Blank.]
    [=Petasites sagittatus (Banks ex Pursh) A.Gray]
    [=Tussilago sagittata Banks ex Pursh - basionym]

Petasites frigidus var. x vitifolius (Greene) Chern., pro sp. (P. frigidus var. palmatus x P. frigidus var. sagittatus)

  • En: grapeleaf sweet coltsfoot, vineleaf petasites
  • Fr: pétasite à feuilles de vigne
  • Synonomy Information[=Nardosmia vitifolia (Greene) Á.& D.Löve]
    [=Petasites nivalis Greene subsp. vitifolius (Greene) J.Toman]
    [=Petasites trigonophyllus Greene]
    [=Petasites warrenii H.St.John]
    [=Petasites x vitifolius Greene, pro sp. - basionym]