TABLE 1.

Information on samples of Heterobasidion used in this study.

Species	Sample no.	Geographic origin	Host	GenBank accessions
				ITS	nrLSU	RPB1	RPB2	GAPDH
Bondarzewia occidentalis	HHB 14803	Washington, United States	Picea sitchensis	DQ200923	DQ234539	DQ256049	AY218474	–
B. submesenterica	Cui 10724	Sichuan, China	Abies ernestii	KJ583205	KJ583219	KJ651627	KJ651720	KJ651752
Heterobasidion abietinum	00053/1	Trentino, Italy	Picea abies	KJ651451	KJ651509	KJ651630	KJ651723	KJ651754
H. abietinum	00055/6	Trentino, Italy	Picea abies	KJ651452	KJ651510	KJ651631	KJ651724	KJ651755
H. abietinum	00057/2	Trentino, Italy	Abies alba	KJ651453	KJ651511	KJ651632	KJ651725	KJ651756
H. amyloideum	Cui 12656	Tibet, China	Pinus	MT146480	MT446029	MT157738	MT157761	MT157721
H. amyloideum	Cui 12274	Tibet, China	Abies	MT146481	MT446030	MT157739	MT157762	MT157722
H. annosum	06071/1	Lazio, Italy	Pinus pinea	KJ651458	KJ651516	KF453497	KF453491	KJ651761
H. annosum	06125/2	Krasnoyarsk, Russia	Pinus sylvestris	KJ651459	KJ651517	KF453498	KF453492	KJ651762
H. annosum	06129/6	Krasnoyarsk, Russia	Pinus sylvestris	KJ583211	KJ583225	KF006499	KF033133	KJ651763
H. araucariae	65008	Queensland, Australia	Araucaria cunninghamii	KJ651462	KJ651520	KJ651636	KJ651729	KJ651766
H. araucariae	82001	Queensland, Australia	Araucaria cunninghamii	KJ651463	KJ651521	KJ651637	KJ651730	KJ651767
H. armandii	Dai 17605	Yunnan, China	Pinus armandii	MT146482	MT446031	MT157740	MT157763	–
H. armandii	Dai 17606	Yunnan, China	Pinus armandii	MT146483	MT446032	MT157741	MT157764	–
H. armandii	Dai 17607	Yunnan, China	Pinus armandii	MT146484	MT446033	MT157742	MT157765	–
H. australe	Cui 12602	Yunnan, China	Pinus sp.	MT146485	MT446034	MT157743	MT157766	MT157723
H. australe	Dai 13507	Yunnan, China	Pinus sp.	MT146486	MT446035	MT157744	MT157767	MT157724
H. australe	Dai 13863	Yunnan, China	Pinus sp.	MT146487	MT446036	MT157745	MT157768	MT157725
H. insulare	FPRI 429	Philippines	Pinus sp.	MT146488	MT446037	MT157746	MT157769	MT157726
H. insulare	Dai 13933	Chongqing, China	Pinus massoniana	MT146489	MT446038	MT157747	MT157770	MT157727
H. insulare	Dai 15095	Jiangxi, China	Pinus massoniana	MT146490	MT446039	MT157748	MT157771	MT157728
H. irregulare	57001/TI	North Carolina, United States	Pinus strobus	KJ651473	KJ651531	KJ651638	KJ651731	KJ651777
H. irregulare	88010/1	Vermont, United States	Pinus sp.	KJ651475	KJ651533	KJ651640	KJ651733	KJ651779
H. irregulare	01062	Ontario, Canada	Pinus resinosa	KJ651477	KJ651535	KJ651642	KJ651735	KJ651781
H. linzhiense	Cui 7216	Sichuan, China	Abies sp.	KJ651480	KJ651538	KF006524	KF033148	KJ651784
H. linzhiense	Cui 9645	Tibet, China	Picea sp.	KJ651481	KJ651539	KF033147	KF006523	KJ651785
H. linzhiense	Dai 5408	Tibet, China	Picea sp.	KJ651484	KJ651542	KF033154	KF006533	KJ651788
H. occidentale	79034/TI	Alaska, United States	Picea sp.	KJ651485	KJ651543	KJ651645	KJ651738	KJ651789
H. occidentale	98004/TI	Oregon, United States	Picea engelmannii	KJ651488	KJ651546	KJ651648	KJ651741	KJ651792
H. occidentale	98005/TI	Oregon, United States	Abies magnifica var. shastensis	KJ651489	KJ651547	KJ651649	KJ651742	KJ651793
H. orientale	Cui 11637	Heilongjiang, China	Unknown	MT146491	MT446040	MT157749	MT157772	MT157729
H. orientale	Cui 11815	Heilongjiang, China	Pinus sp.	MT146492	MT446041	MT157750	MT157773	MT157730
H. orientale	Cui 12026	Heilongjiang, China	Picea sp.	MT146493	MT446042	MT157751	MT157774	MT157731
H. parviporum	04121/3	Artjärvi, Finland	Picea abies	KJ583212	KJ583226	KF453493	KF453499	KJ651800
H. parviporum	08021/7	Krasnoyarsk, Russia	Picea abies	KJ651498	KJ651556	KF453494	KF453500	KJ651803
H. parviporum	08123/TI	Irkutsk, Russia	Picea abies	KJ651500	KJ651558	KF453495	KF453501	KJ651805
H. sp.	Korhonen 05030	California, United States	Pinus ponderosa	MT146494	MT446043	MT157752	MT157775	–
H. sp.	Korhonen 05038	California, United States	Pinus ponderosa	MT146495	MT446044	MT157753	MT157776	–
H. sp.	Korhonen 05039	California, United States	Pinus ponderosa	MT146496	MT446045	MT157754	MT157777	–
H. subinsulare	Dai 13842	Yunnan, China	Pinus sp.	MT146497	MT446046	MT157755	MT157778	MT157732
H. subinsulare	Li 140804-30	Yunnan, China	Pinus sp.	MT146498	MT446047	MT157756	MT157779	MT157733
H. subparviporum	Cui 6961	Hubei, China	Abies fargesii	KJ651504	KJ651562	KJ651658	KJ651751	KJ651809
H. subparviporum	Cui 9267	Tibet, China	Picea sp.	MT146499	MT446048	MT157757	MT157780	MT157734
H. subparviporum	Dai 14803	Jilin, China	Picea sp.	MT146500	MT446049	MT157758	MT157781	MT157735
H. tibeticum	Cui 12257	Tibet, China	Pinus sp.	MT146501	MT446050	MT157759	MT157782	MT157736
H. tibeticum	Cui 12335	Tibet, China	Pinus sp.	MT146502	MT446051	MT157760	MT157783	MT157737

New sequences are shown in bold.