Top native birches
4 species, native to the US, ranked by caterpillars, then bees and other hosts, food, flowers and shelter.
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Paper Birch
Betula papyrifera
keystone
caterpillars
395
hosts
18
food
68
flowers
7
shelter
2
-
Yellow Birch
Betula alleghaniensis
keystone
caterpillars
312
hosts
17
food
61
flowers
6
shelter
1
-
River Birch
Betula nigra
keystone
caterpillars
287
hosts
15
food
47
flowers
31
shelter
1
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Sweet Birch
Betula lenta
keystone
caterpillars
282
hosts
21
food
49
flowers
10
shelter
1