@article {4118,
	title = {Pollen wall antigens and allergens; taxonomically ordered variation among grasses},
	journal = {Annals of Botany},
	volume = {40},
	year = {1976},
	pages = {399-408},
	keywords = {CR REF, Grasses, POLLEN},
	author = {Watson, L. and Knox, R. B.}
}
@article {2458,
	title = {C4 Grasses: an anatomical criterion for distinguishing between NADP-Malic enzyme species and PCK or NAD-MAlic enzyme species},
	journal = {Australian Journal of Botany},
	volume = {24},
	year = {1976},
	pages = {297-308},
	keywords = {ANATOMY, Grasses, KRANZ ANATOMY, species},
	author = {Hattersley, P. W. and Watson, L.}
}
