@article {8415,
	title = {A note on Conyza sumatrensis (Retz.) E. Walker (C. floribunda Kunth).},
	journal = {Watsonia},
	volume = {10},
	year = {1974},
	month = {1974///},
	pages = {166 - 167},
	author = {J.B. Marshall}
}
@article {8422,
	title = {On Conyza sumatrensis (Retz.) E. Walker and certain hybrids in the genus},
	journal = {Watsonia},
	volume = {17},
	year = {1988},
	month = {1988///},
	pages = {172 - 173},
	author = {D. McClintock and J.B. Marshall}
}
@article {8424,
	title = {Conyza-taxa found in Britain},
	journal = {Watsonia},
	volume = {9},
	year = {1973},
	month = {1973///},
	pages = {372 - 373},
	author = {J.B. Marshall}
}
