Table 1 The ploidy levels, cpDNA haplotypes, nDNA genotype, inferred maternal lineage, paternal lineage, and geographic distribution of samples in the Pteris fauriei group. Plants having identical morphology with the type specimens are indicated as Y.

From: Reticulate evolution in the Pteris fauriei group (Pteridaceae)

Scientific name (Morphology-based)	Type	Hybrid formula (♀ × ♂)†	Knox3	IBR3	cpDNA haplotype	Ploidy	Reproductive mode	Maternal lineage of Knox3	Maternal lineage of IBR3	Samples (one representative)	Distribution; elevation (≤ 1000, l; > 1000, h)	Ploidy data of previous studies
P. arisanensis	Y	–	F7F7F7	Y21Y87*	cxx	3X	apo	F7	Y87	Chao2135	Taiwan; h	3X ⁶¹
	Y	–	F7F23	Y21Y87	cxx	–	apo	F7	Y87	Yang191030002	Taiwan; h
		–	F4F5	Y21V22	cx	2X	apo	F4 or F5	Y21	Chao2482	Taiwan; l
		–	A5D4G1	S19T20*	cf'	3X	apo			Chao2296	Taiwan; l
		P. latipinna × P. arisanensis	D7F4F5	Y21V22W23	ca	3X	apo	D7	W23	Hsu s.n.20130116	Taiwan; h to l
		–	D5F3	W23Y24	ca	2X	apo	D5	W23	Chao2483	China, Taiwan, Vietnam; l
		–	D7F3G1	W5S14Y24	ca	3X	apo	D7	W5	Chao2867	China; l
		–	=	S14V22W23	ca	3X	apo	D7	W23	Chao2858	China; l
P. austrotaiwanensis		–	D3D5	W69W23	ct	2X	apo	D3	W69	Hsu s.n.20130315	Taiwan; l
P. biaurita	Y	–	–	S25S25	ci	–		G1	S25	Kao 03,037	Costa Rica; l
			G1G1	S14S14	ci	2X	apo	G1	S14	Chao2734	Cambodia, Thailand, China; l
		–	G1G4	S19S19	ci	2X	apo	G1	S19	Chao2419	Malaysia; l
		–	G1G3	S19S19	ci	–	apo	G1	S19	Chao2752	China, Thailand; l
		P. biaurita × P. arisanensis	F7G1	S14S19Y21	ci	–	apo	G1	S14 or S19	Chao1317	China; h
		=	F7G1*	S14Y21S25	ci	3X	apo	G1	S14 or S25	Chao2484	Taiwan; h to l
		=	=	Y21S70*	ci	3X	apo	G1	S70	Chao2471	Taiwan; h to l
		P. arisanensis × P. biaurita	F16G1	S14Y87	cxx	2X	apo	F16	Y87	Chao2478	Taiwan; h to l
		=	=	=		–	apo	G1	S14	Yang191029002	Taiwan; h
		P. latipinna × P. biaurita	D7G1	S25W23	ca’	2x	apo	D7	W23	Chao2869	China; l
P. boninensis	Y	–	A7A7	T1T1	cb	2X	sex	A7	T1	Chao1942	Japan; l	2X ⁶²
		P. boninensis × unknown	A1A7D5	W2T1*	cb	3X	apo	A7	T1	Chao1818	Japan; l
		=	=	W2T1T7	cb	3X	apo	A7	T1	Chao1819	Japan; l
P. confusa	Y	–	–	–	cc	–	apo	-	–	Lu32448	Sri Lanka; l
P. aff. confusa			F1F1	Y73Y73		–	apo	F1	Y73	CRFJ FN 402	Nepal; l
P. aff. confusa			F1F2	–		–	apo	F1	Y73	CRFJ 34,934	India; l	3X ⁶³
P. fauriei	Y	P. minor × P. latipinna	A1A6D7	W5T1*	cf	3X	apo	A1 or A6	T1	Chao2082	Japan, Taiwan; l
	Y	=	A1D7*	W5T1*	cf	3X	apo	A1	T1	Yang191005005	Taiwan; l
	Y	=	A6D7	W5T1	cf	2X	apo	A6	T1	Chao2668	Taiwan; l
	Y	=	A6D7*	W5T1*	cf	3X	apo	A6	T1	Chao2667	China, Japan, Taiwan; l
		–	A3A5D7	W5T1*	cf	3X	apo	A3 or A5	T1	Chao2051	Japan; l
		–	A11D32*	W5T1*	cf	3X	apo	A?	T1	Chao2805	Taiwan; l
		P. minor × P. latipinna	A1A13D7	W5T1	cf	–	apo	A1	T1	Chao2790	Taiwan; l
P. cf. fauriei		P. oshimensis var. oshimensis × P. latipinna	A4D7	W5T1	cf	2X	apo	A4	T1	Chao2155	Taiwan; l
		=	A4D7*	T1T4W23	cf	3X	apo	A4	T1	Chao2156	Taiwan; l
		–	A5A12D8	W5T1T4	cf	3X	apo	A5 or A12	T1 or T4	Wade3659–1	Japan; l
		–	C1D1	V12X79	cs	2X	apo	C1	X79	Chao2028	Japan; l
		P. wulaiensis × P. latipinna	D4D7	W28W23	cy	2X	apo	D4	W28	Chao2035	Japan, Taiwan; l
		=	=	W29W23	cy	2X	apo	D4	W29	Chao2553	Taiwan; l
		=	=	W5W28	cy	–	apo	D4	W28	Lu25409	China; l
P. kawabatae	Y	–	C3E2	V41V86	ce	–	apo	E2	V86	Lu22877	Taiwan; l
		–	B4D2H4	S14W52X82	cs	––	apo	B4	X82	Chao2170	China; l
		–	B4D5H1	W23X82Y11	cs	3X	apo	B4	X82	Lu28259	Taiwan; l
		–	B4H3	X82Y11	cs	2X	apo	B4	X82	Lu28430B	Taiwan; l
		–	C3D7E2	W23V41V86	ca	–	apo	D7	W23	Knapp 4145	Taiwan; l
		–	C3D1	V12W75	cl	2X	apo	D1	W75	Chao2022	Japan; l	2X, Ebihara 3239 from the same population with Chao2022, ID as P. laurisilvicola ⁵²
P. kiuschiuensis	Y	–	C3H1	V12Y11	ck	2X	apo	H1	Y11	Chao1852	China, Japan; l	2X ^64,65
		–	C3D4H1	W5W78Y11	cy	3X	apo	D4	W78	Ebihara et al. 3240	Japan; l	3X, ID as P. yakuinsularia ⁵²
		–	=	W78V12Y11	cy	3X	apo	D4	W78	Lu24743	China, Japan; l
		–	D4D7H1	V12Y11W29	ck	–	apo	H1 = H6	Y11	Chao2182	China; l
P. latipinna	Y		D7D7	W5W5	ca	2X	apo	D7	W5	Chao2092	China, Taiwan; l
P. latipinna			=	W2W2	ca	–	apo	D7	W2	ZXC001673	Taiwan; l
P. laurisilvicola	Y	–	A4A5D7	W30T1T4	cf	3X	apo	A4	T1	Chao2555	Japan, Taiwan; l
		–	A4A6D7	W5T1T4	cf	3X	apo	A4 or A6	T1	Chao2528	Taiwan; l
		–	=	W30T1T4	cf	3X	apo	A4 or A6	T1	Chao2891	Taiwan; l
P. minor	Y		A1A1	T1T1	cf	2X	sex	A1	T1	Chao2078	Taiwan; l
	Y	–	A1A13	T1T1	cf	2X	sex	A1	T1	Chao2647	Taiwan; l
	Y		A1A6	T31T31	cf'	2X	sex	A1 or A6	T31	Chao2500	Taiwan; l
	Y		A6A6	T1T1	cf	2X	sex	A6	T1	Hsu 8425	Taiwan; l
	Y		=	T27T27	cf'	2X	sex	A6	T27	Chao2653	Taiwan; l
P. natiensis	Y	unknown × P. latipinna	C3D7	V12W23	cn	2X	apo	C3	V12	Chao1842	Japan; l	2X ⁶⁴
P. natiensis		–	C3D4D7	V12W28W23	cy	3X	apo	D4	W28	Chao2017	China, Japan; l
P. oshimensis var. oshimensis		var. oshimensis × unknown	A4D1	T1W75	cf	2X	apo	A4	T1	Chao1881	Japan; l	2X, Ebihara 3239 from the same population with Chao1881⁵²
P. oshimensis var. oshimensis	Y		A4A4	T1T1	cf	2X	sex	A4	T1	Kuo3445	Japan; l	2X, Ebihara 3379 from the same population with Kuo3445 ⁵²
P. oshimensis var. paraemeiensis	Y	–	–	–	cs	–	apo	–	–	Zhang et al.20100430109	China; l
P. pseudowulaiensis		–	D1D5	W5W52	cw	–	apo	D5	W5	Hsu 8437	Taiwan; l	2X ⁴⁶
		–	D2D5	W52W23	cw	2X	apo	D5	W23	Ko33986	China; l
		P. wulaiensis × unknown	D4D5	W5W28	cy	2X	apo	D4	W28	Wade2315	China, Taiwan; l
P. satsumana	Y	–	B1C3	V12X82	cs	2X	apo	B1	X82	Chao1925	Japan; l	2X ⁵²
P. setulosocostulata	Y	–	D4H4H10	W52Y11W89	ch	3X	apo	H4	Y11	Chao2526	Taiwan; l	3X ^61,66
P. setulosocostulata		–	B2H3H5	X82Y11	ch	–	apo	H3	Y11	Chao1363	China; l
P. wulaiensis	Y	–	D2D4	W52W75	cd	2X	apo	D2	W52	Hsu9088	Taiwan; l
P. wulaiensis		–	D4D4	W78W78	cy	2X	apo	D4	W75	Ebihara et al. 3234	Japan; l	2X, ID as P. oshimensis ⁵²

– No data. = The same as the above field. * Unasserted alleles. †Parents in the inferred hybrid formula are based on the species (or taxa) with homozygous genotypes.

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Table 1 The ploidy levels, cpDNA haplotypes, nDNA genotype, inferred maternal lineage, paternal lineage, and geographic distribution of samples in the Pteris fauriei group. Plants having identical morphology with the type specimens are indicated as Y.

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