@article {487,
	title = {Genera Plantarum (Jussieu)},
	year = {1789},
	author = {Jussieu}
}
@article {335,
	title = {Observationes Botanicae / Retzius},
	volume = {5},
	year = {1789},
	author = {Retzius}
}
@article {239,
	title = {Hortus Kewensis; or, a Catalogue of the Plants Cultivated in the Royal Botanic Garden at Kew},
	volume = {3},
	year = {1789},
	author = {Aiton, W.}
}
@article {188,
	title = {Encyclop{\'e}die M{\'e}thodique, Botanique},
	volume = {3},
	year = {1789},
	author = {J. B. Lamarck}
}
