Packera

Packera
Packera aurea
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Eudicots
(unranked):	Asterids
Order:	Asterales
Family:	Asteraceae
Tribe:	Senecioneae
Genus:	Packera A. & D. Löve
Type species
Packera aurea (L.) A. & D. Löve

Packera is a genus of about 64^[1] species of plants in the composite family, Asteraceae. Its members were previously included in the genus Senecio (where they were called aureoid senecios by Asa Gray), but were divided out based on chromosome numbers, a variety of morphological characters, and molecular phylogeny.^[1]

Packera hesperia

Species

• Packera anonyma (Wood) W.A. Weber & A. Löve -- Small's ragwort
• Packera antennariifolia (Britt.) W.A. Weber & A. Löve -- shalebarren ragwort
• Packera aurea (L.) A.& D. Löve -- golden ragwort
  • Senecio aureus L.
• Packera bernardina (Greene) W.A. Weber & A. Löve -- San Bernardino ragwort
• Packera bolanderi (Gray) W.A. Weber & A. Löve -- Bolander's ragwort
• Packera breweri (Burtt-Davy) W.A. Weber & A. Löve -- Brewer's ragwort
  • Senecio breweri Burtt-Davy
• Packera cana (Hook.) W.A. Weber & A. Löve -- woolly groundsel
• Packera cardamine (Greene) W.A. Weber & A. Löve -- bittercress ragwort
• Packera castoreus (Welsh) Kartesz, comb. nov. ined. -- Beaver Mountain ragwort
• Packera clevelandii (Greene) W.A. Weber & A. Löve -- Cleveland's ragwort
  • Senecio clevelandii Greene
• Packera contermina (Greenm.) T.M. Barkl., comb. nov. ined.
• Packera crocata (Rydb.) W.A. Weber & A. Löve -- saffron ragwort
• Packera cymbalaria (Pursh) W.A. Weber & A. Löve -- dwarf arctic ragwort
• Packera cymbalarioides (Buek) W.A. Weber & A. Löve -- cleftleaf groundsel
• Packera cynthioides (Greene) W.A. Weber & A. Löve -- White Mountain ragwort
  • Senecio cynthiodes Greene
• Packera debilis (Nutt.) W.A. Weber & A. Löve -- weak groundsel
• Packera dimorphophylla (Greene) W.A. Weber & A. Löve -- splitleaf groundsel
• Packera eurycephala (Torr. & Gray ex Gray) W.A. Weber & A. Löve -- widehead groundsel
• Packera fendleri (Gray) W.A. Weber & A. Löve -- Fendler's ragwort
• Packera flettii (Wieg.) W.A. Weber & A. Löve -- Flett's ragwort
• Packera franciscana (Greene) W.A. Weber & A. Löve -- San Francisco Peaks ragwort
  • Senecio franciscanus Greene -- San Francisco Peaks groundsel
• Packera ganderi (T.M. Barkl. & Beauchamp) W.A. Weber & A. Löve -- Gander's ragwort
• Packera glabella (Poir) C. Jeffrey -- butterweed
  • Senecio glabellus Poir.
• Packera greenei (Gray) W.A. Weber & A. Löve -- flame ragwort
• Packera hartiana (Heller) W.A. Weber & A. Löve -- Hart's ragwort
• Packera hesperia (Greene) W.A. Weber & A. Löve -- western ragwort
• Packera hyperborealis (Greenm.) A.& D. Löve -- northern groundsel
• Packera indecora (Greene) A.& D. Löve -- elegant groundsel
• Packera ionophylla (Greene) W.A. Weber & A. Löve -- Tehachapi ragwort
• Packera layneae (Greene) W.A. Weber & A. Löve -- Layne's ragwort
• Packera macounii (Greene) W.A. Weber & A. Löve -- Siskiyou Mountain ragwort
• Packera malmstenii (Blake ex Tidestrom) Kartesz, comb. nov. ined -- Podunk ragwort
• Packera millefolia (Torr. & Gray) T.M. Barkl., comb. nov. ined. -- piedmont ragwort
  • Packera millefolium (Torr. & A. Gray) W.A. Weber & A. Löve
  • Senecio millefolium Torr. & Gray
• Packera millelobata (Rydb.) W.A. Weber & A. Löve -- Uinta ragwort
• Packera moresbiensis (Calder & Roy L. Taylor) J.F. Bain – Cleftleaf ragwort
• Packera multilobata (Torr. & Gray ex Gray) W.A. Weber & A. Löve -- lobeleaf groundsel
  • Senecio multilobatus Torr. & Gray ex Gray
• Packera musiniensis (S. L. Welsh) Trock
• Packera neomexicana (Gray) W.A. Weber & A. Löve -- New Mexico groundsel
• Packera obovata (Muhl. ex Willd.) W.A. Weber & A. Löve -- roundleaf ragwort
  • Senecio obovatus Muhl. ex Willd.
• Packera ogotorukensis (Packer) A.& D. Löve -- Ogotoruk Creek ragwort
• Packera pauciflora (Pursh) A.& D. Löve -- alpine groundsel
• Packera paupercula (Michx.) A.& D. Löve -- balsam groundsel
• Packera plattensis (Nutt.) W.A. Weber & A. Löve -- prairie groundsel
  • Senecio plattensis Nutt.
• Packera porteri (Greene) C. Jeffrey -- Porter's groundsel
• Packera pseudaurea (Rydb.) W.A. Weber & A. Löve -- falsegold groundsel
• Packera quaerens (Greene) W.A. Weber & A. Löve -- Mogollon Mountain ragwort
  • Senecio quaerens Greene
• Packera quercetorum (Greene) C. Jeffrey -- Oak Creek ragwort
• Packera sanguisorboides (Rydb.) W.A. Weber & A. Löve -- burnet ragwort
• Packera schweinitziana (Nutt.) W.A. Weber & A. Löve -- Schweinitz's ragwort
  • Senecio schweinitzianus Nutt.
• Packera spellenbergii (T.M. Barkl.) C. Jeffrey -- Carrizo Creek ragwort
• Packera streptanthifolia (Greene) W.A. Weber & A. Löve -- Rocky Mountain groundsel
• Packera subnuda (DC.) D.K. Trock & T.M. Barkley – Buek's groundsel
• Packera tampicana (DC.) C. Jeffrey -- Great Plains ragwort
• Packera tomentosa (Michx.) C. Jeffrey -- woolly ragwort
• Packera tridenticulata (Rydb.) W.A. Weber & A. Löve -- threetooth ragwort
• Packera werneriifolia (Gray) W.A. Weber & A. Löve -- hoary groundsel

Sources: NRCS^[2]

References

1. "Packera". Flora of North America.
2. Natural Resources Conservation Service (NRCS). "Classification for Kingdom Plantae Down to Genus Packera A. Löve & D. Löve" (HTML). The PLANTS Database. United States Department of Agriculture,. Retrieved 2008-04-01.