| Packera anonyma (A. Wood) W. A. Weber & Á. Löve |
Accepted |
22 |
| Packera antennariifolia (Britton) W. A. Weber & Á. Löve |
Accepted |
23 |
| Packera aurea (L.) Á. Löve & D. Löve |
Accepted |
22 |
| Packera bellidifolia (Kunth) W. A. Weber & Á. Löve |
Accepted |
20 |
| Packera bernardina (Greene) W. A. Weber & Á. Löve |
Accepted |
23 |
| Packera bolanderi (A. Gray) W. A. Weber & Á. Löve |
Accepted |
23 |
| Packera bolanderi var. harfordii (Greenm.) Trock & T. M. Barkley |
Accepted |
23 |
| Packera breweri (B. Davy) W. A. Weber & Á. Löve |
Accepted |
23 |
| Packera cana (Hook.) W. A. Weber & Á. Löve |
Accepted |
46 |
| Packera clevelandii (Greene) W. A. Weber & Á. Löve |
Accepted |
23 |
| Packera coahuilensis (Greenm.) C. Jeffrey |
Accepted |
23 |
| Packera contermina (Greenm.) J. F. Bain |
Accepted |
80 |
| Packera crocata (Rydb.) W. A. Weber & Á. Löve |
Accepted |
23 |
| Packera cymbalaria (Pursh) W. A. Weber & Á. Löve |
Accepted |
69 |
| Packera cynthioides (Greene) W. A. Weber & Á. Löve |
Accepted |
23 |
| Packera debilis (Nutt.) W. A. Weber & Á. Löve |
Accepted |
23 |
| Packera dimorphophylla (Greene) W. A. Weber & Á. Löve |
Accepted |
23 |
| Packera eurycephala (Torr. & A. Gray) W. A. Weber & Á. Löve |
Accepted |
23 |
| Packera fendleri (A. Gray) W. A. Weber & Á. Löve |
Accepted |
23 |
| Packera flettii (Wiegand) W. A. Weber & Á. Löve |
Accepted |
20 |
| Packera franciscana (Greene) W. A. Weber & Á. Löve |
Accepted |
23 |
| Packera glabella (Poir.) C. Jeffrey |
Accepted |
23 |
| Packera greenei (A. Gray) W. A. Weber & Á. Löve |
Accepted |
23 |
| Packera hartiana W. A. Weber & Á. Löve |
Accepted |
22 |
| Packera hesperia (Greene) W. A. Weber & Á. Löve |
Accepted |
23 |
| Packera hyperborealis (Greenm.) Á. Löve & D. Löve |
Accepted |
23 |
| Packera indecora (Greene) Á. Löve & D. Löve |
Accepted |
86 |
| Packera ionophylla (Greene) W. A. Weber & Á. Löve |
Accepted |
23 |
| Packera layneae (Greene) W. A. Weber & Á. Löve |
Accepted |
46 |
| Packera macounii (Greene) W. A. Weber & Á. Löve |
Accepted |
23 |
| Packera millelobata (Rydb.) W. A. Weber & Á. Löve |
Accepted |
23 |
| Packera moranii (T. M. Barkley) C. Jeffrey |
Accepted |
23 |
| Packera multilobata (Torr. & A. Gray) W. A. Weber & Á. Löve |
Accepted |
46 |
| Packera musiniensis (S. L. Welsh) Trock |
Accepted |
23 |
| Packera neomexicana (A. Gray) W. A. Weber & Á. Löve |
Accepted |
23 |
| Packera neomexicana var. mutabilis (Greene) W. A. Weber & Á. Löve |
Accepted |
46 |
| Packera neomexicana var. toumeyi (Greene) Trock & T. M. Barkley |
Accepted |
22 |
| Packera obovata (Muhl.) W. A. Weber & Á. Löve |
Accepted |
22 |
| Packera ogotorukensis (Packer) Á. Löve & D. Löve |
Accepted |
23 |
| Packera pauciflora (Pursh) Á. Löve & D. Löve |
Accepted |
87 |
| Packera paupercula (Michx.) Á. Löve & D. Löve |
Accepted |
23 |
| Packera plattensis (Nutt.) W. A. Weber & Á. Löve |
Accepted |
23 |
| Packera pseudaurea (Rydb.) W. A. Weber & Á. Löve |
Accepted |
22 |
| Packera pseudaurea var. flavula (Greene) Trock & T. M. Barkley |
Accepted |
23 |
| Packera pseudaurea var. semicordata (Mack. & Bush) Trock & T. M. Barkley |
Accepted |
63 |
| Packera quebradensis (Greenm.) W. A. Weber & Á. Löve |
Accepted |
23 |
| Packera quercetorum (Greene) C. Jeffrey |
Accepted |
46 |
| Packera sanguisorbae (DC.) C. Jeffrey |
Accepted |
23 |
| Packera sanguisorboides (Rydb.) W. A. Weber & Á. Löve |
Accepted |
23 |
| Packera schweinitziana (Nutt.) W. A. Weber & Á. Löve |
Accepted |
22 |
| Packera streptanthifolia (Greene) W. A. Weber & Á. Löve |
Accepted |
23 |
| Packera subnuda (DC.) Trock & T. M. Barkley |
Accepted |
23 |
| Packera subnuda var. moresbiensis (Calder & R. L. Taylor) Trock |
Accepted |
45 |
| Packera tampicana (DC.) C. Jeffrey |
Accepted |
23 |
| Packera texensis O'Kennon & Trock |
Accepted |
23 |
| Packera tomentosa (Michx.) C. Jeffrey |
Accepted |
23 |
| Packera tridenticulata (Rydb.) W. A. Weber & Á. Löve |
Accepted |
23 |
| Packera werneriifolia (A. Gray) W. A. Weber & Á. Löve |
Accepted |
22 |
| Senecio smallii Britton ex Small & Vail |
Synonym of Packera anonyma (A. Wood) W. A. Weber & Á. Löve |
22 |
| Senecio antennariifolius Britton |
Synonym of Packera antennariifolia (Britton) W. A. Weber & Á. Löve |
23 |
| Senecio aureus L. |
Synonym of Packera aurea (L.) Á. Löve & D. Löve |
22 |
| Senecio aureus var. gracilis (Pursh) Hook. |
Synonym of Packera aurea (L.) Á. Löve & D. Löve |
22 |
| Senecio bernardinus Greene |
Synonym of Packera bernardina (Greene) W. A. Weber & Á. Löve |
23 |
| Senecio bernardinus Greene |
Synonym of Packera bernardina (Greene) W. A. Weber & Ã. Löve |
23 |
| Packera bolanderi var. bolanderi |
Synonym of Packera bolanderi (A. Gray) W. A. Weber & Á. Löve |
23 |
| Senecio harfordii Greenm. |
Synonym of Packera bolanderi var. harfordii (Greenm.) Trock & T. M. Barkley |
23 |
| Senecio breweri B. Davy |
Synonym of Packera breweri (B. Davy) W. A. Weber & Á. Löve |
23 |
| Senecio breweri B. Davy |
Synonym of Packera breweri (B. Davy) W. A. Weber & Ã. Löve |
23 |
| Senecio canus Hook. |
Synonym of Packera cana (Hook.) W. A. Weber & Á. Löve |
46 |
| Senecio harbourii Rydb. |
Synonym of Packera cana (Hook.) W. A. Weber & Á. Löve |
46 |
| Senecio canus Hook. |
Synonym of Packera cana (Hook.) W. A. Weber & Ã. Löve |
46 |
| Senecio clevelandii Greene |
Synonym of Packera clevelandii (Greene) W. A. Weber & Á. Löve |
23 |
| Senecio clevelandii Greene |
Synonym of Packera clevelandii (Greene) W. A. Weber & Ã. Löve |
23 |
| Senecio cyclophyllus Greenm. |
Synonym of Packera coahuilensis (Greenm.) C. Jeffrey |
23 |
| Senecio conterminus Greenm. |
Synonym of Packera contermina (Greenm.) J. F. Bain |
80 |
| Senecio crocatus Rydb. |
Synonym of Packera crocata (Rydb.) W. A. Weber & Á. Löve |
23 |
| Packera fernaldii (Greenm.) Á. Löve & D. Löve |
Synonym of Packera cymbalaria (Pursh) W. A. Weber & Á. Löve |
69 |
| Senecio cymbalaria Pursh |
Synonym of Packera cymbalaria (Pursh) W. A. Weber & Á. Löve |
69 |
| Senecio debilis Nutt. |
Synonym of Packera debilis (Nutt.) W. A. Weber & Á. Löve |
23 |
| Senecio dimorphophyllus Greene |
Synonym of Packera dimorphophylla (Greene) W. A. Weber & Á. Löve |
23 |
| Senecio eurycephalus Torr. & A. Gray ex A. Gray |
Synonym of Packera eurycephala (Torr. & A. Gray) W. A. Weber & Á. Löve |
23 |
| Senecio eurycephalus var. eurycephalus |
Synonym of Packera eurycephala (Torr. & A. Gray) W. A. Weber & Á. Löve |
23 |
| Senecio eurycephalus Torr. & A. Gray ex A. Gray |
Synonym of Packera eurycephala (Torr. & A. Gray) W. A. Weber & Ã. Löve |
23 |
| Senecio fendleri A. Gray |
Synonym of Packera fendleri (A. Gray) W. A. Weber & Á. Löve |
23 |
| Senecio flettii Wiegand |
Synonym of Packera flettii (Wiegand) W. A. Weber & Á. Löve |
20 |
| Senecio franciscanus Greene |
Synonym of Packera franciscana (Greene) W. A. Weber & Á. Löve |
23 |
| Senecio glabellus Poir. |
Synonym of Packera glabella (Poir.) C. Jeffrey |
23 |
| Senecio greenei A. Gray |
Synonym of Packera greenei (A. Gray) W. A. Weber & Á. Löve |
23 |
| Senecio greenei A. Gray |
Synonym of Packera greenei (A. Gray) W. A. Weber & Ã. Löve |
20 |
| Senecio hesperius Greene |
Synonym of Packera hesperia (Greene) W. A. Weber & Á. Löve |
23 |
| Senecio hesperius Greene |
Synonym of Packera hesperia (Greene) W. A. Weber & Ã. Löve |
23 |
| Senecio resedifolius Less. |
Synonym of Packera heterophylla (Fisch.) E. Wiebe |
40 |
| Senecio hyperborealis Greenm. |
Synonym of Packera hyperborealis (Greenm.) Á. Löve & D. Löve |
23 |
| Senecio indecorus Greene |
Synonym of Packera indecora (Greene) Á. Löve & D. Löve |
86 |
| Senecio ionophyllus Greene |
Synonym of Packera ionophylla (Greene) W. A. Weber & Ã. Löve |
23 |
| Senecio layneae Greene |
Synonym of Packera layneae (Greene) W. A. Weber & Á. Löve |
46 |
| Senecio macounii Greene |
Synonym of Packera macounii (Greene) W. A. Weber & Á. Löve |
23 |
| Senecio macounii Greene |
Synonym of Packera macounii (Greene) W. A. Weber & Ã. Löve |
46 |
| Senecio millelobatus Rydb. |
Synonym of Packera millelobata (Rydb.) W. A. Weber & Á. Löve |
23 |
| Senecio millelobatus Rydb. |
Synonym of Packera millelobata (Rydb.) W. A. Weber & Ã. Löve |
24 |
| Senecio moranii T. M. Barkley |
Synonym of Packera moranii (T. M. Barkley) C. Jeffrey |
23 |
| Senecio multilobatus Torr. & A. Gray ex A. Gray |
Synonym of Packera multilobata (Torr. & A. Gray) W. A. Weber & Á. Löve |
46 |
| Senecio uintahensis (A. Nelson) Greenm. |
Synonym of Packera multilobata (Torr. & A. Gray) W. A. Weber & Á. Löve |
46 |
| Senecio multilobatus Torr. & A. Gray ex A. Gray |
Synonym of Packera multilobata (Torr. & A. Gray) W. A. Weber & Ã. Löve |
23 |
| Packera neomexicana var. neomexicana |
Synonym of Packera neomexicana (A. Gray) W. A. Weber & Á. Löve |
23 |
| Senecio neomexicanus A. Gray |
Synonym of Packera neomexicana (A. Gray) W. A. Weber & Á. Löve |
23 |
| Senecio neomexicanus var. neomexicanus |
Synonym of Packera neomexicana (A. Gray) W. A. Weber & Á. Löve |
23 |
| Senecio neomexicanus A. Gray |
Synonym of Packera neomexicana (A. Gray) W. A. Weber & Ã. Löve |
23 |
| Senecio mutabilis Greene |
Synonym of Packera neomexicana var. mutabilis (Greene) W. A. Weber & Á. Löve |
46 |
| Senecio neomexicanus var. metcalfei (Greene) T. M. Barkley |
Synonym of Packera neomexicana var. mutabilis (Greene) W. A. Weber & Á. Löve |
46 |
| Senecio neomexicanus var. mutabilis (Greene) T. M. Barkley |
Synonym of Packera neomexicana var. mutabilis (Greene) W. A. Weber & Á. Löve |
46 |
| Senecio neomexicanus var. toumeyi (Greene) T. M. Barkley |
Synonym of Packera neomexicana var. toumeyi (Greene) Trock & T. M. Barkley |
22 |
| Senecio obovatus Muhl. ex Willd. |
Synonym of Packera obovata (Muhl.) W. A. Weber & Á. Löve |
22 |
| Senecio obovatus Muhl. ex Willd. |
Synonym of Packera obovata (Muhl.) W. A. Weber & Ã. Löve |
22 |
| Senecio ogotorukensis Packer |
Synonym of Packera ogotorukensis (Packer) Á. Löve & D. Löve |
23 |
| Senecio pauciflorus Pursh |
Synonym of Packera pauciflora (Pursh) Á. Löve & D. Löve |
87 |
| Senecio pauperculus Michx. |
Synonym of Packera paupercula (Michx.) Á. Löve & D. Löve |
23 |
| Senecio pauperculus var. pauperculus |
Synonym of Packera paupercula (Michx.) Á. Löve & D. Löve |
23 |
| Senecio pauperculus var. thomsoniensis (Greenm.) B. Boivin |
Synonym of Packera paupercula (Michx.) Á. Löve & D. Löve |
23 |
| Senecio pauperculus Michx. |
Synonym of Packera paupercula (Michx.) Ã. Löve & D. Löve |
23 |
| Packera pseudaurea var. pseudaurea |
Synonym of Packera pseudaurea (Rydb.) W. A. Weber & Á. Löve |
22 |
| Senecio pseudaureus Rydb. |
Synonym of Packera pseudaurea (Rydb.) W. A. Weber & Á. Löve |
22 |
| Senecio pseudaureus var. flavulus (Greene) Greenm. |
Synonym of Packera pseudaurea var. flavula (Greene) Trock & T. M. Barkley |
23 |
| Senecio quebradensis Greenm. |
Synonym of Packera quebradensis (Greenm.) W. A. Weber & Á. Löve |
23 |
| Senecio sanguisorboides Rydb. |
Synonym of Packera sanguisorboides (Rydb.) W. A. Weber & Á. Löve |
23 |
| Packera schweinitziana (Nutt.) W. A. W. ＆. A. Love |
Synonym of Packera schweinitziana (Nutt.) W. A. Weber & Á. Löve |
22 |
| Packera schweinitziana (Nutt.) W. A. Weber & A. Love |
Synonym of Packera schweinitziana (Nutt.) W. A. Weber & Á. Löve |
22 |
| Senecio robbinsii Oakes ex Rusby |
Synonym of Packera schweinitziana (Nutt.) W. A. Weber & Á. Löve |
22 |
| Senecio schweinitzianus Nutt. |
Synonym of Packera schweinitziana (Nutt.) W. A. Weber & Á. Löve |
22 |
| Senecio streptanthifolius Greene |
Synonym of Packera streptanthifolia (Greene) W. A. Weber & Á. Löve |
23 |
| Senecio streptanthifolius Greene |
Synonym of Packera streptanthifolia (Greene) W. A. Weber & Ã. Löve |
23 |
| Packera subnuda var. subnuda |
Synonym of Packera subnuda (DC.) Trock & T. M. Barkley |
23 |
| Senecio cymbalarioides H. Buek |
Synonym of Packera subnuda (DC.) Trock & T. M. Barkley |
23 |
| Senecio cymbalarioides subsp. cymbalarioides |
Synonym of Packera subnuda (DC.) Trock & T. M. Barkley |
23 |
| Senecio cymbalarioides subsp. moresbiensis Calder & R. L. Taylor |
Synonym of Packera subnuda var. moresbiensis (Calder & R. L. Taylor) Trock |
45 |
| Senecio imparipinnatus Klatt |
Synonym of Packera tampicana (DC.) C. Jeffrey |
23 |
| Senecio tomentosus Michx. |
Synonym of Packera tomentosa (Michx.) C. Jeffrey |
23 |
| Senecio tridenticulatus Rydb. |
Synonym of Packera tridenticulata (Rydb.) W. A. Weber & Á. Löve |
23 |
| Senecio petraeus Klatt |
Synonym of Packera werneriifolia (A. Gray) W. A. Weber & Á. Löve |
22 |
| Senecio scaposus A. Nelson |
Synonym of Packera werneriifolia (A. Gray) W. A. Weber & Á. Löve |
22 |
| Senecio werneriifolius (A. Gray) A. Gray |
Synonym of Packera werneriifolia (A. Gray) W. A. Weber & Á. Löve |
22 |
| Packera toluccana (DC.) W. A. Weber & Á. Löve |
Synonym of Senecio toluccanus DC. |
20 |
