@book {9,
	title = {Wildflowers of Saudi Arabia},
	year = {1999},
	publisher = {National Commission for Wildlife Conservation and Development (NCWCD)},
	organization = {National Commission for Wildlife Conservation and Development (NCWCD)},
	address = {Riyadh },
	author = {Collenette, S.}
}
@book {8,
	title = {Check list of botanical species in Saudi Arabia},
	year = {1998},
	publisher = {Asclepiad Soc.},
	organization = {Asclepiad Soc.},
	address = {London},
	author = {Collenette, S.}
}
@book {6,
	title = {An illustrated guide to the flowers of Saudi Arabia},
	year = {1985},
	publisher = {Scorpion},
	organization = {Scorpion},
	address = {London},
	author = {Collenette, S.}
}
