Launaea thalassica

{{Short description|Species of flowering plant}}

{{Speciesbox

|image =

|image_caption =

|status = CR

|status_system = IUCN3.1

|status_ref = {{cite iucn |author=Catarino, S. |author2=Duarte, M.C. |author3=Romeiras, M.M. |date=2017 |title=Launaea thalassica |volume=2017 |page=e.T107426933A107468242 |doi=10.2305/IUCN.UK.2017-3.RLTS.T107426933A107468242.en |access-date=20 November 2021}}

|genus = Launaea

|species = thalassica

|authority = N.Kilian, Brochmann, Rustan

|synonyms =

}}

Launaea thalassica is a species of flowering plants of the family Asteraceae. The species is endemic to Cape Verde.Oromí, Martín, Zurita & Cabrera, 2005 : [http://www.gobiernodecanarias.org/opencms8/export/sites/medioambiente/piac/galerias/descargas/Documentos/Publicaciones/Publicaciones-LPESCaboVerde.pdf Lista preliminar de especies silvestres de Cabo Verde: Hongos, Plantas y Animales Terrestres.] Gobierno de Canarias, Consejería de Medio Ambiente y Ordenación Territorial, p. 41 It is listed as critically endangered by the IUCN. The species name thalassica is Greek meaning "of the sea".