Name	Info	Provider	Link
	subscription/membership/fee required	Ovid Technologies, Inc.	http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=22851550.ui
	free resource	Dryad Digital Repository	https://datadryad.org/discover?query=10.1093/sysbio/sys070
SILVA LSU Database	free resource	SILVA	http://www.arb-silva.de/search/show/lsu/pubid/22851550
	subscription/membership/fee required	Silverchair Information Systems	https://academic.oup.com/sysbio/article-lookup/doi/10.1093/sysbio/sys070