Name	Info	Provider	Link
	subscription/membership/fee required	Taylor & Francis	https://www.tandfonline.com/doi/full/10.3852/13-007
	free resource	scite Smart Citations	https://scite.ai/reports/24396107
SILVA LSU Database	free resource	SILVA	http://www.arb-silva.de/search/show/lsu/pubid/24396107