Recent phytochemical study of several Italian species of Linaria, including rare endemic species, allowed a chemotaxomic approach to the genus based on phylogenetic trends in Lamiiflorae.
DindaB, DebnathS, HarigayaH. (2007) Naturally occurring iridoids. A review. Part 1. Chemical & Pharmaceutical Bulletin, 55, 159–222;
2.
DindaB, DebnathS, HarigayaH. (2007) Naturally occurring iridoids. A review. Part 2. Chemical & Pharmaceutical Bulletin, 55, 689–728;
3.
DahlgrenRMT. (1980) A revised system of classification of the angiosperm. Botanical Journal of the Linnean Society, 80, 91–124;
4.
Sampaio-SantosMI, KaplanAC. (2001) Biosynthesis significance of iridoids in chemosystematics. Journal of the Brazilian Chemical Society, 12, 144–153.
5.
ErcilD, SakarMK, Del OlmoE, San FelicianoA. (2004) Chemical constituents of Linaria aucheri. Turkish Journal of Chemistry, 28, 133–139;
6.
BiancoA, GuisoM, ProcaccioC, NicolettiM, SerafiniM, TomassiniL. (1997) A new methyl-cyclopentanoid monoterpene from Linaria purpurea. Gazzetta Chimica Italiana, 127, 407–409;
7.
BiancoA, GuisoM, MazzeiRA, PiccioniF, NicolettiM, SerafiniM, BalleroM. (1996) 6′-O-Acetylantirrhinoside, a new iridoid glucoside from Linaria flava subsp. sardoa. Fitoterapia, 67, 364–366;
8.
OtsukaH. (1993) Iridoid glucosides from Linaria japonica. Phytochemistry, 33, 617–622;
9.
AhmadVU, KousarF, ZubairM, KhanA, Shaq AliM, Iqbal ChoudharyM, SenerBilge. (2006) A new iridoid glucoside from Linaria genestifolia. Fitoterapia, 77, 12–14;
IlievaE, HandjievaN, BankovaV, PopovS, EvstatievaL. (1992) Iridoid and flavonoid glycosides from Linaria species. Bulgarian Chemical Communications, 25, 400–406;
IlievaE, HandjievaN, PopovS. (1992) Genistifolin and other iridoid glucosides from Linaria genistifolia (L.) Mill. Zeitschrift fuer Naturforschung, C: Journal of Biosciences, 47, 791–793;
15.
LahloubMF. (1992) Flavonoid, phenylpropanoid and iridoid glycosides of Linaria haelava (Forssk.) Dil. Mansoura Journal of Pharmaceutical Sciences, 8, 78–95;
16.
MarcoJL. (1985) Iridoid glucosides of Linaria clementei. Phytochemistry, 24, 1609–1610;
17.
KitagawaI, TaniT, AkitaK, YosiokaI. (1973) Constituents of Linaria japonica. I. Structure of linarioside, a new chlorinated iridoid glucoside and identification of two related glucosides. Chemical & Pharmaceutical Bulletin, 21, 1978–1987;
18.
BiancoA, GuisoM, BalleroM, FoddaiS, NicolettiM, PiccinA, SerafiniM, TomassiniL. (2004) Iridoids in the flora of Italy: Glycosidic monoterpenes from Linaria capraria. Natural Product Research, 18, 241–246;
19.
BiancoA, GuisoM, MartinoM, NicolettiM, SerafiniM, TomassiniL. (1997) 8-epi-Muralioside, an iridoid glucoside from Linaria arcusangeli L. Journal of Natural Products, 60, 366–367;
20.
OtsukaH. (1995) Iridoid mono- and diesters of D-glucopyranose from Linaria japonica. Phytochemistry, 39, 1111–1114;
21.
EspositoP, ScarpatiM. (1970) Iridoids. IX. 10-O-β-glucosylaucubin from Linaria vulgaris L. Gazzetta Chimica Italiana, 100, 836–845.
22.
SuttonDA. (1988) A revision of the tribe Antirrhinae. British Museum (Natural History). Oxford University Press, London & Oxford;
23.
FranzykH, JensenSR, ThaleZ, OlsenCE. (1999) Halohydrins and polyols derived from antirrhinoside: Structural revisions of muralioside and epimuralioside. Journal of Natural Products, 62, 275–278;
24.
GottliebOR. (1982) Micromolecular evolution, Systematics and Ecology. Springer-Verlag, Berlin, 55–61.