Siebera
{{Short description|Genus of flowering plants in the family Asteraceae}}
{{Automatic taxobox
|image =
|image_caption =
|display_parents = 3
|taxon = Siebera
|authority = J.Gay 1827, conserved name, not Hoppe 1819 (Caryophyllaceae) nor Rchb. 1828 (Apiaceae)[http://www.tropicos.org/NameSearch.aspx?name=Siebera&commonname= Tropicos, search for Siebera]
|type_species = Siebera pungens
|type_species_authority = (Lam.) J.Gay
}}
Siebera is a genus of flowering plants in the tribe Cardueae in the family Asteraceae, native to Western Asia.[https://www.biodiversitylibrary.org/page/35530257#page/380/mode/1up Gay, Jacques Étienne. 1827. Mémoires de la Société d'Histoire Naturelle de Paris 3: 344] in French[http://www.tropicos.org/Name/40000093 Tropicos, Siebera J. Gay ]
; Species[http://dixon.iplantcollaborative.org/CompositaeWeb/default.aspx?Page=NameDetails&TabNum=0&NameId=b4d1de0e-6905-4982-a84b-aaf37af81555 Flann, C (ed) 2009+ Global Compositae Checklist ] {{webarchive|url=https://archive.today/20150117101643/http://dixon.iplantcollaborative.org/CompositaeWeb/default.aspx?Page=NameDetails&TabNum=0&NameId=b4d1de0e-6905-4982-a84b-aaf37af81555 |date=2015-01-17 }}[http://www.theplantlist.org/tpl1.1/search?q=Siebera The Plant List search for Siebera]