Prolongoa is a genus of Spanish plants in the chamomile tribe within the daisy family.Boissier, Pierre Edmond. 1840. Voyage botanique dans le midi de l'Espagne 2: 320Tropicos, Prolongoa Boiss.
Species The only accepted species is Prolongoa hispanica, native to Spain.The Plant List search for ProlongoaFlora de Aragón, Prolongoa pectinata
References
External links Flickr, Prolongoa hispanica G. López & C. E. Jarvis photo Roca y Flor, Camino del Pueyo. Prolongoa hispanica in Spanish; photos plus informal description Flores Silvestres del Mediterráneo, Prolongoa hispanica