Plectocephalus is a genus of flowering plants in the tribe Cardueae within the family Asteraceae, it contains seven described species mostly found in Americas and one in Africa.Don, David in Sweet, Robert. 1830. British flower garden: containing coloured figures & descriptions of the most ornamental & curious hardy herbaceous plants vol 4 in some copies, vol 2(1) in others, plate 51 in either versionThe International Plant Names Index
SpeciesFlann, C (ed) 2009+ Global Compositae Checklist Biota of North America Program 2013 county distribution maps Plectocephalus americanus (Nutt.) D.Don - Mexico (Coahuila, Tamaulipas, Nuevo León), United States (AZ NM TX LA AR MS KS MO IL WI SC NY) Plectocephalus cachinalensis (Phil.) N.Garcia & Susanna - Atacama Region in Chile Plectocephalus chilensis G.Don ex Loudon - Chile Plectocephalus floccosus (Hook. & Arn.) N.Garcia & Susanna - Chile (Coquimbo + Valparaíso) Plectocephalus rothrockii (Greenm.) D.J.N.Hind - Mexico (from Chihuahua to Chiapas), United States (AZ NM) Plectocephalus tweediei (Hook. & Arn.) N.Garcia & Susanna - Brazil (Rio Grande do Sul), Paraguay (Guairá), Uruguay, Argentina (Buenos Aires, Chaco, Misiones, Corrientes, Entre Ríos, Formosa) Plectocephalus varians (A.Rich.) - Ethiopia Formerly included Plectocephalus dracaenoides (Johow) F.H.Hellw. - Centaurodendron dracaenoides Johow
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