TABLE 1. — GenBank and culture accession numbers of isolates included in this study. Notes: the newly generated sequences are highlighted in bold; ex type strains are given superscript ^T. Abbreviations: CBS, Centraalbureau voor Schimmelcultures, Utrecht, Netherlands; EB, collection of E.W.A. Boehm; GKM, collection of G.K. Mugambi; KUMCC, Kunming Institute of Botany Culture Collection, Kunming, China; KUN-HKAS, herbarium of Cryptogams Kunming Institute of Botany, Academia Sinica, Yunnan, China; MFLU, herbarium of Mae Fah Luang University, Chiang Rai, Thailand; MFLUCC, Mae Fah Luang University Culture Collection, Chiang Rai, Thailand; SICAUCC, Sichuan Agricultural University Culture Collection, Sichuan, China; A. Cobos Villagrán, collection of A. Cobos Villagrán; A. Trejo, collection of A. Trejo; T. Raymundo, collection of T. Raymundo; R. Valenzuela, collection of R. Valenzuela.

GenBank accession no.
Species	Strain/Voucher no.	LSU	SSU	tef-1α	ITS	References
Hysterographium fraxini (Pers.) De	MFLU 15-3681	MH535901	MH535890	MH535883	–	Jayasiri et al. 2018
Not.
Hysterographium fraxini T	CBS 109.43	FJ161171	FJ161132	FJ161088	–	Boehm et al. 2009a
Rhytidhysteron bruguierae T	MFLUCC 18-0398	MN017833	MN017901	MN077056	–	Dayarathne et al. 2020
Dayarathne
Rhytidhysteron bruguierae	MFLUCC 17-1502	MN632453	MN632464	MN635662	MN632458	Mapook et al. 2020
Rhytidhysteron bruguierae	MFLUCC 17-1515	MN632452	MN632463	MN635661	MN632457	Mapook et al. 2020
Rhytidhysteron camporesii T	KUN-HKAS 104277	MN429072	–	MN442087	MN429069	Hyde et al. 2020b
Ekanayaka & K.D.Hyde
Rhytidhysteron chromolaenae T	MFLUCC 17-1516	MN632456	MN632467	MN635663	MN632461	Mapook et al. 2020
Mapook & K.D.Hyde
Rhytidhysteron cozumelense T	A. Cobos-Villagrán 951	MW939459	–	MZ457338	MZ056797	Cobos-Villagrán et al. 2021
Cobos-Villagrán, R.Valenz,
Hern.-Rodr., Calvillo-Medina &
Raymund
Rhytidhysteron cozumelense	T. Raymundo 7321	MW939460	–	MZ457339	MZ056798	Cobos-Villagrán et al. 2021
Rhytidhysteron erioi T Ekanayaka &	MFLU 16-0584	MN429071	–	MN442086	MN429068	Hyde et al. 2020b
K.D.Hyde
Rhytidhysteron esperanzae T	T. Raymundo 6579	MZ477203	–	MZ457336	–	Cobos-Villagrán et al. 2021
Cobos-Villagrán, R.Valenz. &
Raymundo
Rhytidhysteron esperanzae	R. Valenzuela 17206	MZ477204	–	MZ457337	–	Cobos-Villagrán et al. 2021
Rhytidhysteron hongheense T	KUMCC 20-0222	MW264193	MW264223	MW256815	MW264214	Wanasinghe et al. 2021
Wanas
Rhytidhysteron hongheense	HKAS112348	MW541820	MW541831	MW556132	MW541824	Wanasinghe et al. 2021
Rhytidhysteron hongheense	HKAS112349	MW541821	MW541832	MW556133	MW541825	Wanasinghe et al. 2021
Rhytidhysteron hongheense	SICAUCC 19-0007	MN956789	MN956798	MT027603	MN956777	This study
Rhytidhysteron hysterinum	EB 0351	GU397350	–	GU397340	–	Boehm et al. 2009b
(Dufour) Samuels & E.Müll.
Rhytidhysteron ligustrum T	SICAUCC 20-0004	MT062446	MT062451	MT075600	MT062850	This study
X.-L. Xu & C.-L. Yang, sp. nov.
Rhytidhysteron mangrovei T Vinit &	MFLUCC 18-1113	MK357777	–	MK450030	MK425188	Kumar et al. 2019
K.D.Hyde
Rhytidhysteron magnoliae T N.I.de	MFLUCC 18-0719	MN989384	MN989382	MN997309	MN989383	de Silva et al. 2020
Silva, Lumyong & K.D.Hyde
Rhytidhysteron mesophilum T Cobos-	A. Trejo 74	MW939461	–	MZ457340	MZ056799	Cobos-Villagrán et al. 2021
Villagrán, R.Valenz, Hern.-Rodr.,
Calvillo-Medina & Raymundo
Rhytidhysteron mesophilum A. Cobos-Villagrán 1800		MW939462	–	MZ457341	MZ056800	Cobos-Villagrán et al. 2021
Rhytidhysteron neorufulum	MFLUCC 13-0221	KU377567	KU377572	–	KU377562	Thambugala et al. 2016
Thambug. & K.D.Hyde
Rhytidhysteron neorufulum T	MFLUCC 13-0216	KU377566	KU377571	KU510400	KU377561	Thambugala et al. 2016
Rhytidhysteron neorufulum	MFLUCC 12-0011	KJ418109	KJ418110	–	KJ206287	Thambugala et al. 2016
Rhytidhysteron neorufulum	CBS 306.38	FJ469672	AF164375	GU349031	–	Boehm et al. 2009b
Rhytidhysteron neorufulum	EB 0381	GU397351	GU397366	–	–	Boehm et al. 2009b
Rhytidhysteron neorufulum	MFLUCC 21-0035	MZ346015	MZ346020	MZ356249	MZ346025	Ren et al. 2022
Rhytidhysteron opuntiae T (J.G.Br.)	GKM1190	GQ221892	GU397341	–	–	Mugambi & Huhndorf 2009
M.E.Barr
Rhytidhysteron rufulum T (Spreng.)	MFLUCC 14-0577	KU377565	KU377570	KU510399	KU377560	Thambugala et al. 2016
Speg.
Rhytidhysteron rufulum	MFLUCC 12-0013	KJ418111	KJ418113	–	KJ418112	de Silva et al. 2020
Rhytidhysteron sichuanensis T	SICAUCC 19-0005	MN956787	MN956796	MT027601	MN956775	This study
X.-L. Xu & C.-L. Yang, sp. nov.
Rhytidhysteron sichuanensis	SICAUCC 19-0006	MN956788	MN956797	MT027602	MN956776	This study
Rhytidhysteron sichuanensis	SICAUCC 19-0008	MN956790	MN956799	MT027604	MN956778	This study
Rhytidhysteron sichuanensis	SICAUCC 19-0009	MN956791	MN956800	MT027605	MN956779	This study
Rhytidhysteron sichuanensis	SICAUCC 20-0002	MT062444	MT062449	MT075598	MT062848	This study
Rhytidhysteron sichuanensis	SICAUCC 20-0005	MT062447	MT062452	MT075601	MT062851	This study
Rhytidhysteron subrufulum	SICAUCC 19-0010	MN956792	MN956801	MT027606	MN956780	This study
X.-L. Xu & C.-L. Yang, sp. nov.
Rhytidhysteron subrufulum T	SICAUCC 19-0011	MN956793	MN956802	MT027607	MN956781	This study
Rhytidhysteron subrufulum	SICAUCC 20-0003	MT062445	MT062450	MT075599	MT062849	This study