Table 1.

Summary of main statistical effects for neural induction differences.

		dfN, dfD	F-value	p-value
R. imitator	group	1, 1731	13.83	0.0002
	sex	1, 1731	0.64	0.4242
	region	12, 1731	87.48	<0.0001
	sex × group	1, 1731	1.25	0.2630
	group × region	12, 1731	6.85	<0.0001
	sex × region	12, 1731	2.69	0.0013
	sex × group × region	12, 1731	1.45	0.1344
D. tinctorius	group	1, 2519	9.73	0.0018
	sex	1, 2519	1.36	0.2443
	region	12, 2519	80.15	<0.0001
	sex × group	1, 2519	1.76	0.1844
	group × region	12, 2519	5.00	<0.0001
	sex × region	12, 2519	3.39	<0.0001
	sex × group × region	12, 2519	3.89	<0.0001
O. sylvatica	group	1, 557	1.02	0.3126
	region	12, 557	9.40	<0.0001
	group × region	12, 557	5.53	<0.0001