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	title = {Conyza sumatrensis (Retz.) E. Walker established in England},
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	year = {1988},
	month = {1988///},
	pages = {145 - 148},
	author = {B. Wurzell}
}
@article {7256,
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	author = {B. Wurzell}
}
@article {7257,
	title = {x Conyzigeron huelsenii in East London},
	journal = {BSBI News},
	volume = {68},
	year = {1995},
	month = {1995///},
	pages = {32 - 33},
	author = {B. Wurzell}
}
