Betula michauxii, the Newfoundland dwarf birch, is a species of birch which is native to Newfoundland, Nova Scotia and Quebec[2] as well as Saint Pierre and Miquelon.

[3] The species is 0.5 metres (1 ft 8 in) tall and have a wintergreen smell.

Infructescence is cylindric, erect, short, and 0.5–0.8 centimetres (0.20–0.31 in) long.

The fruits ripen by fall and are as glabrous as the leaves.

[4] Its habitats include sphagnum bogs, around pools, and wet peaty meadows.