Name	Info	Provider	Link
	subscription/membership/fee required	BioOne	https://doi.org/10.7589/2018-04-097
SILVA SSU Database	free resource	SILVA	http://www.arb-silva.de/search/show/ssu/pubid/30289337
	subscription/membership/fee required	Silverchair Information Systems	https://meridian.allenpress.com/jwd/article-lookup/doi/10.7589/2018-04-097