TABLE 2.

Identification, location, location code, environment, temperature, pH, and GenBank accession number of each strain used in this study

Strain IDa	Location	Location code	Environment	Temp (°C)	pH	Type	Accession no.b
5562	Artists Paint Pots, YNP	APP	Acid steam hole	44	3.9	IA	EF6750891, EF6751173
5570	Crystal Lake, YNP	CRY	Steam	Unknown	Unknown	IA	EF6751143
5564	Cyanidium Creek, YNP	CC	Acid stream	56	3.3	IA	EF6750991
5566	Cyanidium Creek, YNP	CC	Acid stream	56	3.3	IA	EF6751083
5508	Dragon Spring, Norris Basin, YNP	DRG	Acid stream	50	1.9	IA	EF6750851, EF6751352
5639	Extreme site B, Norris Basin, YNP	EXTB	Acid soil	55	0.5	IA	EF6751272
5640	Extreme site B, Norris Basin, YNP	EXTB	Acid soil	55	0.5	IA	EF6751372
5506	Extreme site, Norris Basin, YNP	EXT	Acid soil	55	1	IA	EF6750871, EF6751462
5507	Extreme site, Norris Basin, YNP	EXT	Acid soil	55	1	IA	EF6751602
5511	Extreme site, Norris Basin, YNP	EXT	Acid soil	55	1	II	EF6751742
5572	Extreme site, Norris Basin, YNP	EXT	Acid soil	55	1	II	EF6750731, EF6751822
5573	Extreme site, Norris Basin, YNP	EXT	Acid soil	55	1	II	EF6750921, EF6751712
5574	Extreme site, Norris Basin, YNP	EXT	Acid soil	55	1	II	EF6750981
5631	Extreme site, Norris Basin, YNP	EXT	Acid soil	55	1	IA	EF6751402
5633	Fairy Falls Trailhead, YNP	FF	Steam	Unknown	Unknown	IA	EF6751193
5636	Fairy Falls Trailhead, YNP	FF	Steam	Unknown	Unknown	IA	EF6751123
5651	Heart Lake Trail, YNP	HRT	Acid soil	Unknown	Unknown	IA	EF6750771, EF671213
5652	Heart Lake Trail, YNP	HRT	Acid soil	Unknown	Unknown	IA	EF6750801, EF6751223
5654	Heart Lake Trail, YNP	HRT	Acid soil	Unknown	Unknown	IA	EF6750711
5625	Highland Creek, YNP	HLD	Acid stream	46	2.5-3	IA	EF6750781, EF6751582
5624	Imperial Spring, YNP	IMP	Steam	Unknown	Unknown	IA	EF6750821
5576	Lemonade Creek, YNP	LEM	Acid stream	54	2.2	IA	EF6750841, EF6751302
5578	Lemonade Creek, YNP	LEM	Acid stream	54	2.2	IA	EF6751203
5620	UTEX2393			Unknown	Unknown	II	EF6750901, EF6751702
5580	Mud Volcano, YNP	MV	Acid stream	43	2.2	IA	EF6750881, EF6751163
5584	Nymph Creek, YNP	NYM	Acid stream	42	3	IA	EF6751001, EF6751113, EF6751642
5585	Nymph Creek, YNP	NYM	Acid stream	42	3	IA	EF6750791, EF6751522
5587.1	Nymph Creek, YNP	NYM	Acid stream	42	3	II	tbd1,2
5593	Obsidian Creek, YNP	OBS	Acid stream	47	1.9	IA	EF6751242
5647	Obsidian Creek, YNP	OBS	Acid stream	47	1.9	IA	EF6751073
5602	Rabbit Creek Source, YNP	RC	Acid pool edge	52	<4	IA	EF6750861, EF6751153
5605	River Group, YNP	RG	Acid pool edge	52	3.9	IA	EF6750761
5614	Sour Creek, YNP	SOUR	Acid stream	41	1.9	IA	EF6750811, EF6751103
5615	Sour Creek, YNP	SOUR	Acid stream	41	1.9	IA	EF6751133
5617	Star Plunge, Thermopolis, WY	STAR	Steam	Unknown	Unknown	IA	EF6750751
5610	Sylvan Crust, YNP	SYLCR	Acid crust	40	4	IB	EF6750831, EF6751093, EF6751252
5611	Sylvan Crust, YNP	SYLCR	Acid crust	40	4	IA	EF6750741
5612	Sylvan Crust, YNP	SYLCR	Acid crust	40	4	IA	EF6751183
5609	Sylvan Springs, YNP	SYL	Acid stream	48	2.2	IA	EF6751233, EF6751442
5664	Kusatsu, Japan	KUS	Acid stream	45	1.9	IIIB	EF6751452
5665	Kusatsu, Japan	KUS	Acid pool	49	2	IIIA	EF6751292
5667	Kusatsu, Japan	KUS	Acid stream	45	1.9	IIIB	EF6751512
5676	Kusatsu, Japan	KUS	Acid pool	49	2	IIIB	EF6751432
5677	Kusatsu, Japan	KUS	Acid stream	45	1.9	IIIA	EF6751322
5678	Kusatsu, Japan	KUS	Acid stream	45	1.9	IIIB	EF6750961, EF6751682
5679	Kusatsu, Japan	KUS	Acid stream	41	2	IIIB	EF6751632
5680	Kusatsu, Japan	KUS	Acid pool	40	1.9	IIIB	EF6750721, EF6751672
5681	Kusatsu, Japan	KUS	Acid stream	41	2	IIIB	EF6751572
5660	Nakabusa, Japan	NAK	Steam	Unknown	Unknown	IIIB	EF6751562
5661	Nakabusa, Japan	NAK	Steam	Unknown	Unknown	IIIB	EF6751502
5662	Nakabusa, Japan	NAK	Steam	Unknown	Unknown	IIIB	EF6751542
5663	Nakabusa, Japan	NAK	Steam	Unknown	Unknown	IIIB	EF6751592
5674	Nakabusa, Japan	NAK	Steam	Unknown	Unknown	IIIB	EF6751532
5675	Nakabusa, Japan	NAK	Steam	Unknown	Unknown	IIIB	EF6750941, EF6751552
5657	Owakudani, Japan	OWA	Acid pool edge	>45	2.5	IIIA	EF6750911, EF6751392
5658	Owakudani, Japan	OWA	Acid pool edge	>45	2.5	IIIB	EF6751622
5659	Owakudani, Japan	OWA	Acid pool edge	>45	2.5	IIIA	EF6750971, EF6751382
5668	Owakudani, Japan	OWA	Acid stream	30	2.5	IIIA	EF6751362
5669	Owakudani, Japan	OWA	Acid stream	30	2.5	IIIA	EF6751262
5670	Owakudani, Japan	OWA	Acid stream	30	2.5	IIIA	EF6751482
5671	Owakudani, Japan	OWA	Acid stream	30	2.5	IIIA	EF6751332
5672	Owakudani, Japan	OWA	Acid pool edge	42-55	3	IIIA	EF6750951, EF6751312
5673	Owakudani, Japan	OWA	Acid pool edge	42-55	3	IIIB	EF6751412
5706	Craters of the Moon, New Zealand	CR	Thermal soil	Unknown	Unknown	IV	EF6751061, EF6751772
5712	Craters of the Moon, New Zealand	CR	Acid steam hole	Unknown	Unknown	IV	EF6751782
5716	Craters of the Moon, New Zealand	CR	Acid steam hole	Unknown	Unknown	V	EF6751041, EF6751422
5717	Rotorua, New Zealand	RT	Acid crust	32	3-3.5	IV	EF6751762
5705	Rotowhero, New Zealand	ROTO	Acid lake	32	3-3.5	V	EF6751662
5702	Waimangu, New Zealand	WM	Steam	Unknown	Unknown	V	EF6751692
5703	Waimangu, New Zealand	WM	Steam	Unknown	Unknown	V	EF6751652
5704	Waimangu, New Zealand	WM	Steam	Unknown	Unknown	V	EF6751031, EF6751282
5714	Waimangu, New Zealand	WMC	Acid crust	44	Unknown	IV	EF6751802
5707	Waiotopu, New Zealand	WTP	Acid steam	31	2.25	IV	EF6751812
5713	Waiotopu, New Zealand	WTP	Acid lake	31	2.25	IV	EF6751472
5719	Waiotopu, New Zealand	WTP	Steam	Unknown	Unknown	IV	EF6751752
5708	Whaka, New Zealand	WKA	Acid stream	30	4	IV	EF6751722
5709	Whaka, New Zealand	WKA	Acid stream	30	4	V	EF6751011, EF6751612
5715	Whaka, New Zealand	WKA	Acid stream	30	4	V	EF6751492
5718	Whaka, New Zealand	WKA	Steam	Unknown	Unknown	IV	EF6751792
5710	White Island, New Zealand	WI	Acid stream	40	1-1.5	IV	EF6751832
5720	White Island, New Zealand	WI	Acid stream	45	2.5-3	IV	EF6751021, EF6751342
5711	White Island, New Zealand	WI	Acid stream	Unknown	Unknown	V	EF6751051, EF6751732

^aID, identification number.

^bNumbers in superscripts refer to the gene to which each accession number relates. 1, 18S rDNA; 2, rbcL; 3, SSR9.