@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}
}
