Betula pumila

（重定向自Swamp Birch）

Betula pumila (Swamp or Bog Birch) is a deciduous shrub native to North America. It reaches 1-4 meters in height. Its reproductive structures are monoecious catkin similar to other birches. Bog Birch occurs over a vast area of northern North America, from Yukon in the west to New England in the east and all the way to Washington and Oregon, inhabiting swamps and riparian zones in the boreal forests.

单词	Swamp Birch
释义	Swamp Birch 英语百科 Betula pumila （重定向自Swamp Birch） Betula pumila (Swamp or Bog Birch) is a deciduous shrub native to North America. It reaches 1-4 meters in height. Its reproductive structures are monoecious catkin similar to other birches. Bog Birch occurs over a vast area of northern North America, from Yukon in the west to New England in the east and all the way to Washington and Oregon, inhabiting swamps and riparian zones in the boreal forests.
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