Table 2. Results of two-way ANOVAs showing the independent effects of one of two main factors that have significant effects in one-way ANOVAs and interaction effects on germination percentage (GP) and mean germination time (GT) due to phylogenetic group (P), life form (LF), seed size (SS), dispersal mode (DM), onset of flowering (OF), duration of flowering (DF), temperature (T) and habitat (H). R² is the proportion of variance explained by each factor (Only significant interaction terms are shown).

Source of variation	Effect of A				Effect of B				Effect of A×B
A/B	df	F	P	R2	df	F	P	R2	df	F	P	R2
Germination percentage (GP)
P/SS	13	6.441	<0.001	0.117	4	5.989	<0.001	0.037	23	1.637	0.031	0.056
P/OF	13	5.523	<0.001	0.101	2	1.021	0.361	0.003	12	3.853	<0.001	0.067
SS/H	4	8.663	<0.001	0.050	2	2.457	0.086	0.007	7	3.330	0.002	0.034
DM/OF	3	6.616	<0.001	0.029	2	6.390	0.002	0.019	5	5.530	<0.001	0.040
OF/H	2	1.313	0.270	0.004	2	7.443	0.001	0.022	4	4.218	0.002	0.025
Germination time (GT)
P/LF	13	12.561	<0.001	0.205	1	19.899	<0.001	0.030	7	3.073	0.003	0.033
P/SS	13	13.267	<0.001	0.219	4	8.064	<0.001	0.050	21	2.624	<0.001	0.082
P/DM	13	9.412	<0.001	0.163	3	8.222	<0.001	0.038	9	4.867	<0.001	0.065
P/DF	13	14.506	<0.001	0.231	2	3.452	0.032	0.011	10	2.748	0.003	0.042
LF/SS	1	46.552	<0.001	0.067	4	12.122	<0.001	0.070	4	3.406	0.009	0.021
LF/DM	1	21.975	<0.001	0.033	3	5.963	0.001	0.027	3	7.007	<0.001	0.031
LF/H	1	56.872	<0.001	0.081	2	7.038	0.001	0.021	2	4.679	0.010	0.014
SS/DM	4	4.475	0.001	0.027	3	12.428	<0.001	0.055	6	6.015	<0.001	0.053
SS/DF	4	10.883	<0.001	0.063	2	0.391	0.676	0.001	5	4.258	0.001	0.032
SS/H	4	8.120	<0.001	0.048	2	6.110	0.002	0.019	7	3.119	0.003	0.033
DM/DF	3	21.719	<0.001	0.092	2	1.875	0.154	0.006	4	2.670	0.031	0.016
DM/H	3	17.752	<0.001	0.076	2	0.444	0.641	0.001	5	5.343	<0.001	0.040
DF/H	2	16.325	<0.001	0.048	2	5.107	0.006	0.016	4	6.262	<0.001	0.037