# Packera

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> Source: https://en.wikipedia.org/wiki/Packera
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{{Short description|Genus of flowering plants in the family Asteraceae}}
{{Automatic taxobox
|image = Golden Ragwort Senecio aureus Flower 2184px.jpg
|image_caption = ''[Packera aurea](/source/Packera_aurea)''
|display_parents = 2
|taxon = Packera
|authority = [Á. Löve](/source/%C3%81skell_L%C3%B6ve) & [D. Löve](/source/Doris_L%C3%B6ve)
|type_species = ''[Packera aurea](/source/Packera_aurea)'' 
|type_species_authority = ([L.](/source/Carl_Linnaeus)) [Á. Löve](/source/%C3%81skell_L%C3%B6ve) & [D. Löve](/source/Doris_L%C3%B6ve)
}}

'''''Packera''''' is a [genus](/source/genus) of about 75 species of plants in the daisy family, [Asteraceae](/source/Asteraceae).<ref name=POWO_298624-2/> Most species are commonly called '''ragworts''' or '''grounsels'''. Its members were previously included in the genus ''[Senecio](/source/Senecio)'' (where they were called ''aureoid senecios'' by [Asa Gray](/source/Asa_Gray)) but were moved to genus ''Packera'' based on [chromosome](/source/chromosome) numbers, a variety of [morphological](/source/Plant_morphology) characters, and [molecular phylogenetic](/source/molecular_phylogenetics) evidence.<ref name="fna"/>

[[File:Packera_hesperia_4676.JPG|thumb|right|''[Packera hesperia](/source/Packera_hesperia)'']]
[[File:Packera sanguisorbae (Asteraceae).jpg|thumb|right|''[Packera sanguisorbae](/source/Packera_sanguisorbae)'']]

==Species==
{{As of|2023|March}}, [Plants of the World Online](/source/Plants_of_the_World_Online) accepted the following species.<ref name=POWO_298624-2>{{cite web |title=''Packera'' Á.Löve & D.Löve |work=Plants of the World Online |publisher=Royal Botanic Gardens, Kew|url=http://www.plantsoftheworldonline.org/taxon/urn:lsid:ipni.org:names:298624-2 |access-date=2023-03-25 }}</ref> English names are based on the PLANTS database.<ref name="NRCS">{{cite web |url=https://plants.usda.gov/java/ClassificationServlet?source=display&classid=PACKE |title=Classification for Kingdom Plantae Down to Genus ''Packera'' A. Löve & D. Löve | access-date=2008-04-01 |work=The PLANTS Database |publisher=[Natural Resources Conservation Service](/source/Natural_Resources_Conservation_Service) (NRCS), [United States Department of Agriculture](/source/United_States_Department_of_Agriculture) (USDA) }}</ref>
* ''[Packera actinella](/source/Packera_actinella)'' <small>(Greene) W.A.Weber & Á.Löve</small> – flagstaff ragwort
* ''[Packera anonyma](/source/Packera_anonyma)'' <small>(Alph.Wood) W.A.Weber & A.Löve</small> − Small's ragwort
* ''[Packera antennariifolia](/source/Packera_antennariifolia)'' <small>(Britton) W.A.Weber & A.Löve</small> − shalebarren ragwort
* ''[Packera aurea](/source/Packera_aurea)'' <small>([L.](/source/Carl_Linnaeus)) Á.Löve & D.Löve</small> (syn. ''Senecio aureus'') − golden ragwort
* ''[Packera bellidifolia](/source/Packera_bellidifolia)'' <small>(Kunth) W.A.Weber & Á.Löve</small>
* ''[Packera bernardina](/source/Packera_bernardina)'' <small>(Greene) W.A.Weber & A.Löve</small> − San Bernardino ragwort
* ''[Packera bolanderi](/source/Packera_bolanderi)'' <small>(Gray) W.A.Weber & A.Löve</small> − Bolander's ragwort
* ''[Packera breweri](/source/Packera_breweri)'' <small>(Burtt Davy) W.A.Weber & A.Löve</small> (syn. ''Senecio breweri'') − Brewer's ragwort
* ''[Packera cana](/source/Packera_cana)'' <small>(Hook.) W.A.Weber & A.Löve</small> − woolly groundsel
* ''[Packera candidissima](/source/Packera_candidissima)'' <small>(Greene) W.A.Weber & Á.Löve</small>
* ''[Packera cardamine](/source/Packera_cardamine)'' <small>(Greene) W.A.Weber & A.Löve</small> − bittercress ragwort
* ''[Packera castoreus](/source/Packera_castoreus)'' <small>(S.L.Welsh) Kartesz</small> − Beaver Mountain ragwort
* ''[Packera clevelandii](/source/Packera_clevelandii)'' <small>(Greene) W.A.Weber & A.Löve</small> (syn. ''Senecio clevelandii'') − Cleveland's ragwort
* ''[Packera coahuilensis](/source/Packera_coahuilensis)'' <small>(Greenm.) C.Jeffrey</small>
* ''[Packera contermina](/source/Packera_contermina)'' <small>(Greenm.) J.F.Bain</small>
* ''[Packera crawfordii](/source/Packera_crawfordii)'' <small>(Britton) A.M.Mahoney & R.R.Kowal</small> 
* ''[Packera crocata](/source/Packera_crocata)'' <small>(Rydb.) W.A.Weber & A.Löve</small> − saffron ragwort
* ''[Packera cymbalaria](/source/Packera_cymbalaria)'' <small>(Pursh) W.A.Weber & A.Löve</small> − dwarf arctic ragwort
* ''[Packera cynthioides](/source/Packera_cynthioides)'' <small>(Greene) W.A.Weber & A.Löve</small> (syn. ''Senecio cynthiodes'') − White Mountain ragwort
* ''[Packera debilis](/source/Packera_debilis)'' <small>(Nutt.) W.A.Weber & A.Löve</small> − weak groundsel
* ''[Packera dimorphophylla](/source/Packera_dimorphophylla)'' <small>(Greene) W.A.Weber & A.Löve</small> − splitleaf groundsel
* ''[Packera dubia](/source/Packera_dubia)'' <small>(Spreng.) Trock & Mabb.</small> (syn. ''Packera tomentosa'') − woolly ragwort
* ''[Packera eurycephala](/source/Packera_eurycephala)'' <small>(Torr. & A.Gray) W.A.Weber & A.Löve</small> − widehead groundsel
* ''[Packera fendleri](/source/Packera_fendleri)'' <small>(Gray) W.A.Weber & A.Löve</small> − Fendler's ragwort
* ''[Packera flettii](/source/Packera_flettii)'' <small>(Wiegand) W.A.Weber & A.Löve</small> − Flett's ragwort
* ''[Packera franciscana](/source/Packera_franciscana)'' <small>(Greene) W.A.Weber & A.Löve</small> (syn. ''Senecio franciscanus'') − San Francisco Peaks ragwort
* ''[Packera ganderi](/source/Packera_ganderi)'' <small>(T.M.Barkley & R.M.Beauch.) W.A.Weber & Á.Löve</small> − Gander's ragwort
* ''[Packera glabella](/source/Packera_glabella)'' <small>(Poir) C.Jeffrey</small> (syn. ''Senecio glabellus'') − butterweed
* ''[Packera greenei](/source/Packera_greenei)'' (Gray) W.A.Weber & A.Löve − flame ragwort
* ''[Packera hartiana](/source/Packera_hartiana)'' <small>(Heller) W.A.Weber & A.Löve</small> − Hart's ragwort
* ''[Packera hesperia](/source/Packera_hesperia)'' <small>(Greene) W.A.Weber & A.Löve</small> − western ragwort
* ''[Packera heterophylla](/source/Packera_heterophylla)'' <small>(Fisch.) E.Wiebe</small>
* ''[Packera hintoniorum](/source/Packera_hintoniorum)'' <small>(B.L.Turner) C.Jeffrey</small>
* ''[Packera hyperborealis](/source/Packera_hyperborealis)'' <small>(Greenm.) Á.Löve & D.Löve</small> − northern groundsel
* ''[Packera indecora](/source/Packera_indecora)'' <small>(Greene) Á.Löve & D.Löve</small> − elegant groundsel
* ''[Packera insulae-regalis](/source/Packera_insulae-regalis)'' <small>R.R.Kowal</small> − Isle Royale ragwort<ref>{{Cite web|title=Packera insulae-regalis - Michigan Flora|url=https://michiganflora.net/species.aspx?id=2862|access-date=2021-02-10|website=michiganflora.net}}</ref>
* ''[Packera ionophylla](/source/Packera_ionophylla)'' <small>(Greene) W.A.Weber & A.Löve</small> − Tehachapi ragwort
* ''[Packera layneae](/source/Packera_layneae)'' <small>(Greene) W.A.Weber & A.Löve</small> − Layne's ragwort
* ''[Packera loratifolia](/source/Packera_loratifolia)'' <small>(Greenm.) W.A.Weber & Á.Löve</small>
* ''[Packera macounii](/source/Packera_macounii)'' <small>(Greene) W.A.Weber & A.Löve</small> − Siskiyou Mountain ragwort
* ''[Packera malmstenii](/source/Packera_malmstenii)'' <small>(S.F.Blake ex Tidestr.) Kartesz</small> − Podunk ragwort
* ''[Packera mancosiana](/source/Packera_mancosiana)'' <small>Yeatts, B.Schneid. & Al Schneid.</small> 
* [''Packera'' × ''memmingeri''](/source/Packera_%C3%97_memmingeri) <small>(Britton ex Small) Weakley</small>
* ''[Packera millefolium](/source/Packera_millefolium)'' <small>(Torr. & A.Gray) W.A.Weber & Á.Löve</small> (syn. ''Senecio millefolium'') − piedmont ragwort
* ''[Packera millelobata](/source/Packera_millelobata)'' <small>(Rydb.) W.A.Weber & A.Löve</small> − Uinta ragwort
* ''[Packera montereyana](/source/Packera_montereyana)'' <small>(S.Watson) C.Jeffrey</small>
* ''[Packera moranii](/source/Packera_moranii)'' <small>(T.M.Barkley) C.Jeffrey</small>
* ''[Packera multilobata](/source/Packera_multilobata)'' <small>(Torr. & A.Gray) W.A.Weber & Á.Löve</small> − lobeleaf groundsel
* ''[Packera musiniensis](/source/Packera_musiniensis)'' <small>(S.L.Welsh) Trock</small>
* ''[Packera neomexicana](/source/Packera_neomexicana)'' <small>(A.Gray) W.A.Weber & A.Löve</small> − New Mexico groundsel
* ''[Packera obovata](/source/Packera_obovata)'' <small>(Willd.) W.A.Weber & A.Löve</small> (syn. ''Senecio obovatus'') − roundleaf ragwort
* ''[Packera ogotorukensis](/source/Packera_ogotorukensis)'' <small>(Packer) Á.Löve & D.Löve</small> − Ogotoruk Creek ragwort
* ''[Packera pauciflora](/source/Packera_pauciflora)'' <small>(Pursh) Á.Löve & D.Löve</small> − alpine groundsel
* ''[Packera paupercula](/source/Packera_paupercula)'' <small>(Michx.) Á.Löve & D.Löve</small> − balsam groundsel
* ''[Packera plattensis](/source/Packera_plattensis)'' <small>(Nutt.) W.A.Weber & A.Löve</small> (syn. ''Senecio plattensis'') − prairie groundsel
* ''[Packera porteri](/source/Packera_porteri)'' <small>(Greene) C.Jeffrey</small> − Porter's groundsel
* ''[Packera pseudaurea](/source/Packera_pseudaurea)'' <small>(Rydb.) W.A.Weber & A.Löve</small> − falsegold groundsel
* ''[Packera quebradensis](/source/Packera_quebradensis)'' <small>(Greenm.) W.A.Weber & Á.Löve</small> 
* ''[Packera quercetorum](/source/Packera_quercetorum)'' <small>(Greene) C.Jeffrey</small> − Oak Creek ragwort
* ''[Packera rosei](/source/Packera_rosei)'' <small>(Greenm.) W.A.Weber & Á.Löve</small>
* ''[Packera sanguisorbae](/source/Packera_sanguisorbae)'' <small>(DC.) C.Jeffrey</small>
* ''[Packera sanguisorboides](/source/Packera_sanguisorboides)'' <small>(Rydb.) W.A.Weber & A.Löve</small> − burnet ragwort
* ''[Packera scalaris](/source/Packera_scalaris)'' <small>(Greene) C.Jeffrey</small> 
* ''[Packera schweinitziana](/source/Packera_schweinitziana)'' <small>(Nutt.) W.A.Weber & A.Löve</small> (syn. ''Senecio schweinitzianus'') − Schweinitz's ragwort
* ''[Packera serpenticola](/source/Packera_serpenticola)'' <small>Boufford, Kartesz, S.H.Shi & R.Zhou</small> − serpentine ragwort 
* ''[Packera spellenbergii](/source/Packera_spellenbergii)'' <small>(T.M.Barkley) C.Jeffrey</small> − Carrizo Creek ragwort
* ''[Packera streptanthifolia](/source/Packera_streptanthifolia)'' <small>(Greene) W.A.Weber & A.Löve</small> − Rocky Mountain groundsel 
* ''[Packera subnuda](/source/Packera_subnuda)'' <small>(DC.) Trock & T.M.Barkley</small> – Buek's groundsel
* ''[Packera tampicana](/source/Packera_tampicana)'' <small>(DC.) C.Jeffrey</small> − Great Plains ragwort
* ''[Packera texensis](/source/Packera_texensis)'' <small>O'Kennon & Trock</small>
* ''[Packera thurberi](/source/Packera_thurberi)'' <small>(A.Gray) B.L.Turner</small>
* ''[Packera toluccana](/source/Packera_toluccana)'' <small>(DC.) W.A.Weber & Á.Löve</small>
* ''[Packera umbraculifera](/source/Packera_umbraculifera)'' <small>(S.Watson) W.A.Weber & Á.Löve</small>
* ''[Packera werneriifolia](/source/Packera_werneriifolia)'' <small>(A.Gray) W.A.Weber & A.Löve</small> − hoary groundsel
* ''[Packera zimapanica](/source/Packera_zimapanica)'' <small>(Hemsl.) C.C.Freeman & T.M.Barkley</small>

==References==
{{Reflist|refs=
<ref name="fna">{{eFloras|1|123645|Packera |first=Debra K. |last=Trock |volume=20}}</ref>
}}

{{Taxonbar|from=Q3004070}}

Category:Packera
Category:Asteraceae genera

{{Senecioneae-stub}}

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Adapted from the Wikipedia article [Packera](https://en.wikipedia.org/wiki/Packera) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Packera?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.