A. L.  Grenfell, ?Aliens and adventives?, Mixed bag. BSBI News, vol. 50, pp. 27 - 30, 1988.

A. L.  Grenfell, ?Aliens and adventives. Adventive News 25?, BSBI News, vol. 34, pp. 22 - 23, 1983.

A. L.  Grenfell, ?Adventive News 29?, BSBI News, vol. 38, pp. 13 - 18, 1984.

A. L.  Grenfell, ?Alien and adventives. Adventive News 27. Mixed bag?, BSBI News, vol. 36, pp. 28 - 29, 1984.

A. L.  Grenfell, ?More on Phalaris paradoxa and related species?, BSBI News, vol. 39, 1985.

A. L.  Grenfell, ?Adventive News 37.Myagrumperfoliatum L. in Cambridgeshire?, BSBI News, vol. 47, pp. 34 - 35, 1987.

A. L.  Grenfell, ?Adventive news: Beckmania syzigachne?, BSBI News, vol. 47, 1987.