T. B.  Ryves, ?Notes on wool-alien species of Lepidium in the British Isles?, Watsonia, vol. 11, pp. 367 - 372, 1977.

T. B.  Ryves, ?Alien species of Eragrostis P. Beauv. in the British Isles?, Watsonia, vol. 13, pp. 111 - 117, 1980.

T. B.  Ryves, ?Artemisia L. species in the British Isles?, Watsonia, vol. 15, pp. 109 - 112, 1984.