@book {8644, title = {Alien grasses of the British Isles}, year = {1996}, month = {1996///}, publisher = {BSBI, London: XX}, organization = {BSBI, London: XX}, author = {T.B. Ryves and E.J. Clement and M.C. Foster} } @article {8434, title = {Notes on wool-alien species of Lepidium in the British Isles}, journal = {Watsonia}, volume = {11}, year = {1977}, month = {1977///}, pages = {367 - 372}, author = {T.B. Ryves} } @article {8435, title = {Alien species of Eragrostis P. Beauv. in the British Isles}, journal = {Watsonia}, volume = {13}, year = {1980}, month = {1980///}, pages = {111 - 117}, author = {T.B. Ryves} } @article {8436, title = {Artemisia L. species in the British Isles}, journal = {Watsonia}, volume = {15}, year = {1984}, month = {1984///}, pages = {109 - 112}, author = {T.B. Ryves} }