Species: ~ 100
-
Packera actinella (Greene) W.A.Weber & Á.Löve (1981) = Senecio actinella Greene.
- Packera anonyma (Alph.Wood) W.A.Weber & Á.Löve (1981)
syn.: Senecio smallii Britton ex Small & Vail , Senecio earlei Small, Senecio aureus var. angustifolius Britton
- Packera antennariifolia (Britton) W.A.Weber & Á.Löve (1981)
- Packera aurea (L.) Á.Löve & D.Löve (1975)
- Packera bellidifolia (H.B.K.) W.A.Weber & Á.Löve (1981)
- Packera bernardina (Greene) W.A.Weber & Á.Löve (1981)
- Packera bolanderi (A.Gray) W.A.Weber & Á.Löve (1981)
- Packera bolanderi var. harfordii (Greenm.) D.K.Trock & T.M.Barkley (1998)
- Packera breweri (Davy) W.A.Weber & Á.Löve (1981)
- Packera buekii D.K.Trock & T.M.Barkley (1998), nom. nov.
- Packera cana (Hook.) W.A.Weber & Á.Löve -- Phytologia 49(1): 46 (1981)
- Packera cana f. eradiata (D.C.Eaton) W.A.Weber & Á.Löve -- Phytologia 49(1): 46 (1981)
- Packera candidissima (Greene) W.A.Weber & Á.Löve (1981)
- Packera cardamine (Greene) W.A.Weber & Á.Löve(1981)
- Packera castoreus (S.L.Welsh) Kartesz (1999)
- Packera clevelandii (Greene) W.A.Weber & Á.Löve (1981)
- Packera coahuilensis (Greenm.) C.Jeffrey (1992)
- Packera contermina (Greenm.) J.F.Bain (1999)
- Packera crocata (Rydb.) W.A.Weber & Á.Löve (1981)
- Packera cymbalaria (Pursh) W.A.Weber & Á.Löve (1981)
- Packera cymbalarioides (H.Buek) W.A.Weber & Á.Löve (1984)
- Packera cymbalarioides (Buek) W.A.Weber & Á.Löve (1984), with correct basionym author
- Packera cynthioides (Greene) W.A.Weber & Á.Löve (1981)
- Packera debilis (Nutt.) W.A.Weber & Á.Löve (1981)
- Packera dimorphophylla (Greene) W.A.Weber & Á.Löve (1981)
- Packera dimorphophylla subsp. intermedia (T.M.Barkley) W.A.Weber & Á.Löve (1981)
- Packera dimorphophylla var. intermedia (T.M.Barkley) D.K.Trock & T.M.Barkley (1998)
- Packera dimorphophylla var. paysonii (T.M.Barkley) D.K.Trock & T.M.Barkley (1998)
- Packera eurycephala (Torr. & A.Gray) W.A.Weber & Á.Löve (1981)
- Packera eurycephala var. lewisrosei (J.T.Howell) J.F.Bain (1999)
- Packera fendleri (A.Gray) W.A.Weber & Á.Löve (1981)
- Packera fernaldii (Greenm.) Á.Löve & D.Löve (1975 publ. 1976)
- Packera flettii (Wiegand) W.A.Weber & Á.Löve (1981)
- Packera franciscana (Greene) W.A.Weber & Á.Löve (1981)
- Packera ganderi (T.M.Barkley & R.M.Beauch.) W.A.Weber & Á.Löve (1981)
- Packera glabella (Poir.) C.Jeffrey (1992)
- Packera greenei (A.Gray) W.A.Weber & Á.Löve (1981)
- Packera hartiana (Heller) W.A.Weber & Á.Löve (1981)
- Packera hesperia (Greene) W.A.Weber & Á.Löve (1981)
- Packera heterophylla (Fisch.) E.I.Wiebe (1997-1998)
- Packera hintoniorum (B.L.Turner) C.Jeffrey (1992)
- Packera hyperborealis (Greenm.) Á.Löve & D.Löve (1975-1976)
- Packera indecora (Greene) A.Löve & D.Löve (1976-1975)
- Packera ionophylla (Greene) W.A.Weber & Á.Löve (1981)
- Packera layneae (Greene) W.A.Weber & Á.Löve(1981)
- Packera loratifolia (Greenm.) W.A.Weber & Á.Löve (1981)
- Packera lyallii J.F.Bain (2002)
- Packera macounii (Greene) W.A.Weber & Á.Löve (1981)
- Packera malmstenii (S.F.Blake ex Tidestr.) Kartesz (1999)
- Packera millefolia (Torr. & A.Gray) W.A.Weber & Á.Löve (1981)
- Packera millelobata (Rydb.) W.A.Weber & Á.Löve (1981)
- Packera montereyana (S.Watson) C.Jeffrey (1992)
- Packera moranii (T.M.Barkley) C.Jeffrey (1992)
- Packera moresbiensis (Calder & R.L.Taylor) J.F.Bain (1999)
- Packera multilobata (Torr. & A.Gray ex A.Gray) W.A.Weber & Á.Löve (1981)
- Packera musiniensis (S.L.Welsh) Trock (2005)
- Packera neomexicana (A.Gray) W.A.Weber & A.Löve (1981)
- Packera neomexicana var. metcalfei (Greene ex Wooton & Standl.) D.K.Trock & T.M.Barkley (1998)
- Packera neomexicana var. mutabilis (Greene) W.A.Weber & Á.Löve (1981)
- Packera neomexicana var. toumeyi (Greene) D.K.Trock & T.M.Barkley (1998)
- Packera newcombei (Greene) W.A.Weber & Á.Löve (1981)
- Packera obovata (Muehl.ex Willd.) W.A.Weber & Á.Löve (1981)
- Packera ogotorukensis (Packer) Á.Löve & D.Löve (1975, 1976)
- Packera oodes (Rydb.) W.A.Weber (1984)
- Packera ovina (Greene) J.F.Bain (1999)
- Packera pauciflora (Pursh) Á.Löve & D.Löve (1975 publ. 1976)
- Packera paupercula (Michx.) Á.Löve & D.Löve (1975 publ. 1976)
- Packera plattensis (Nutt.) W.A.Weber & Á.Löve (1981)
- Packera porteri (Greene) C.Jeffrey -- in Kew Bull., 47(1): 101 (1992)
- Packera pseudaurea (Rydb.) W.A.Weber & Á.Löve (1981)
- Packera pseudaurea var. flavula (Greene) D.K.Trock & T.M.Barkley (1998)
- Packera pseudaurea subsp. flavula (Greene) W.A.Weber & Á.Löve (1981)
- Packera pseudaurea var. semicordata (Mack. & Bush) D.K.Trock & T.M.Barkley (1998)
- Packera quaerens (Greene) W.A.Weber & Á.Löve (1981)
- Packera quebradensis (Greenm.) W.A.Weber & Á.Löve (1981)
- Packera quercetorum (Greene) C.Jeffrey (1992)
- Packera resedifolia (Less.) Á.Löve & D.Löve (1975 - 1976)
- Packera rosei (Greenm.) W.A.Weber & Á.Löve (1981)
- Packera sanguisorbae (DC.) C.Jeffrey (1992)
- Packera sanguisorboides (Rydb.) W.A.Weber & Á.Löve (1981)
- Packera scalaris (Greene) C.Jeffrey (1992)
- Packera scalaris var. carmenensis (C.C.Freeman) C.C.Freeman & T.M.Barkley (1995)
- Packera scalaris var. parrasiana (Greenm.) C.C.Freeman & T.M.Barkley (1995)
- Packera schweinitziana (Nutt.) W.A.Weber & Á.Löve (1981)
- Packera spellenbergii (T.M.Barkley) C.Jeffrey (1992)
- Packera streptanthifolia (Greene) W.A.Weber & Á.Löve (1981)
- Packera streptanthifolia var. borealis (Torr. & A.Gray) Trock (2004)
- Packera streptanthifolia var. rubricaulis (Greene) Dorn (2001)
- Packera subnuda (DC.) D.K.Trock & T.M.Barkley (1999)
- Packera subnuda var. moresbiensis (Calder & R.L.Taylor) Trock (2004)
- Packera tampicana (DC.) C.Jeffrey (1992)
- Packera texensis O'Kennon & Trock (2003)
- Packera toluccana (DC.) W.A.Weber & Á.Löve (1981)
- Packera tomentosa (Michaux) C.Jeffrey (1992)
- Packera tridenticulata (Rydb.) W.A.Weber & Á.Löve (1981)
- Packera umbraculifera (S.Watson) W.A.Weber & Á.Löve (1981)
- Packera werneriifolia (A.Gray) W.A.Weber & Á.Löve (1981), 'werneriaefolia'
- Packera werneriifolia var. alpina (A.Gray) Dorn (2001)
- Packera zimapanica (Hemsl.) C.C.Freeman & T.M.Barkley (1995)
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