Thomas DC, Weigend M, Hilger HH (2008) Phylogeny and systematics of Lithodora (Boraginaceae—Lithospermeae) and its affinities to the monotypic genera Mairetis, Halacsya and Paramoltkia based on ITS1 and trnLUAA-sequence data and morphology. Taxon 57(1): 79-97. doi: 10.2307/25065950.
There is no corrections for Glandora prostrata subsp. lusitanica yet.