@book {20,
	title = {Flora of Saudi Arabia},
	year = {1978},
	publisher = {University Libraries, King Saud University},
	organization = {University Libraries, King Saud University},
	address = {Riyadh},
	author = {A.M. Migahid}
}
@book {19,
	title = {Flora of Eastern Saudi Arabia},
	year = {1990},
	publisher = {Kegan Paul Int.},
	organization = {Kegan Paul Int.},
	address = {London},
	author = {J.P. Mandaville}
}
@book {18,
	title = {Flora of the Arabian peninsula and Socotra},
	year = {2007},
	publisher = {Edinburgh Univ. Press},
	organization = {Edinburgh Univ. Press},
	address = {Edinburgh},
	author = {Anthony G Miller and Thomas A Cope}
}
@book {16,
	title = {Flora of the Kingdom of Saudi Arabia},
	year = {2001},
	publisher = {National Herbarium, National Agriculture and Water Research Center},
	organization = {National Herbarium, National Agriculture and Water Research Center},
	address = {Riyadh},
	author = {Chaudhary, S.}
}
@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.}
}
