Bulbophyllum globuliforme

Bulbophyllum globuliforme, commonly known as the green bead orchid, miniature moss-orchid or hoop pine orchid, is a species of epiphytic orchid with tiny spherical pseudobulbs, scale-like leaves and small cream-coloured flowers with a yellow labellum. It grows on the scaly bark of hoop pine (Araucaria cunninghamii), mostly on the McPherson Range on the New South Wales/Queensland border in eastern Australia. Because of its small size it is often dismissed as moss....read more on Wikipedia.