@article {8071, title = {Aliens and adventives}, journal = {Mixed bag. BSBI News}, volume = {50}, year = {1988}, month = {1988///}, pages = {27 - 30}, author = {A.L. Grenfell} } @article {7247, title = {Aliens and adventives. Adventive News 25}, journal = {BSBI News}, volume = {34}, year = {1983}, month = {1983///}, pages = {22 - 23}, author = {A.L. Grenfell} } @article {7248, title = {Adventive News 29}, journal = {BSBI News}, volume = {38}, year = {1984}, month = {1984///}, pages = {13 - 18}, author = {A.L. Grenfell} } @article {7249, title = {Alien and adventives. Adventive News 27. Mixed bag}, journal = {BSBI News}, volume = {36}, year = {1984}, month = {1984///}, pages = {28 - 29}, author = {A.L. Grenfell} } @article {7250, title = {More on Phalaris paradoxa and related species}, journal = {BSBI News}, volume = {39}, year = {1985}, month = {1985///}, author = {A.L. Grenfell} } @article {7251, title = {Adventive News 37.Myagrumperfoliatum L. in Cambridgeshire}, journal = {BSBI News}, volume = {47}, year = {1987}, month = {1987///}, pages = {34 - 35}, author = {A.L. Grenfell} } @article {7252, title = {Adventive news: Beckmania syzigachne}, journal = {BSBI News}, volume = {47}, year = {1987}, month = {1987///}, author = {A.L. Grenfell} }