Table 1.

GLMM analysis results for the effect of alien and native density (number of alien and native inflorescences within a 2 m radius) on seed set in native Taraxacum japonicum

Locations	Year	n	Effect of alien inflorescence density			Effect of native inflorescence density
			Coefficient ± s.e.	Z	P	Coefficient ± s.e.	Z	P
HB	2012	24	0.014 ± 0.024	0.578	0.563	0.017 ± 0.009	1.847	0.065
	2014	13	0.079 ± 0.151	0.525	0.599	–0.011 ± 0.014	–0.807	0.42
OU	2012	10	0.040 ± 0.012	3.299	<0.001	–0.025 ± 0.014	–1.719	0.086
	2014	20	–0.004 ± 0.021	–0.175	0.861	0.063 ± 0.031	2.02	0.043