Picris spinifera Franco in Bot. J. Linn. Soc. 71: 268. 1976 Picris spinifera Franco in Bot. J. Linn. Soc. 71: 268. 1976is basionym for Helminthotheca spinifera (Franco) Zidorn in Biochem. Syst. Ecol. 34: 146. 2006Taxon for this namePicris spinifera Franco in Bot. J. Linn. Soc. 71: 268. 1976