id	keyword
abc-2956	river
abc-2956	diatom
abc-2956	bunica
abc-2956	kützing
abc-2956	water
abc-2956	status
abc-2956	indices
abc-2956	values
abc-2956	ehrenberg
abc-2956	index
abc-2956	samples
abc-2956	grunow
abc-2956	spring
abc-2956	gomphonema
abc-2956	taxa
abc-2956	lange
abc-2956	bertalot