Table 1.

Analyses of effects of year and bract treatment on visitation rates of pollinators and nectar robbers in Pedicularis rex, with significant results in bold.

Variables	β	SE	df	χ2	P
Pollinator visit rate
Year	0.434	0.451	1	0.946	0.331
Treatment	0.012	0.224	1	0.003	0.958
Year × treatment	−0.099	0.451	1	0.048	0.823
Nectar robber visit rate
Year	−1.226	0.444	1	8.439	0.004
Treatment	−0.014	0.225	1	0.004	0.951
Year ×treatment	0.117	0.444	1	0.069	0.792