1. Brüun, H G. 1937. Genetical notes on Linaria. Hereditas, 22, 395–400.
2. Clapham, A R, Tutin, T G, and Warburg, E F. 1962. Flora of the British Isles, 2nd edition, Cambridge University Press.
3. Crowe, L K. 1964. The evolution of outbreeding in plants. I. The Angiosperms. Heredity, 19, 435–457.
4. Dilleman, G. 1948. Remarques sur l'hybridation spontanée des Linaires dans les jardines Botaniques. Bull Mus natn Hist, nat, Paris, 20, 546–547.
5. Docherty, Z. 1982. Self-incompatibility in Nemesia. Heredity, 48, 137–138.