@booklet {238,
	title = {The family of Lemnaceae - a monographic study, 1. Ver{\"o}ff. Geobot. Isnt. ETH (Stift. R{\"u}bel)},
	volume = {71},
	year = {1986},
	abstract = {<p>1-563</p>
},
	author = {Landolt, Elias}
}
