WordNet sense 1 (tufted evergreen perennial herb having spikes of tiny white flowers and glossy green round to heart-shaped leaves that become coppery to maroon or purplish in fall):

beetleweed, coltsfoot, galax, wandflower, Galax urceolata

WordNet sense 2 ((astronomy) a collection of star systems; any of the billions of systems each having many stars and nebulae and dust):

extragalactic nebula