Name	Info	Provider	Link
	free resource	scite Smart Citations	https://scite.ai/reports/23902157
SILVA LSU Database	free resource	SILVA	http://www.arb-silva.de/search/show/lsu/pubid/23902157
	subscription/membership/fee required	Silverchair Information Systems	https://academic.oup.com/mmy/article-lookup/doi/10.3109/13693786.2013.815372