Top native birches
12 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
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Gray Birch
Betula populifolia
keystone
caterpillars
290
hosts
15
food
48
flowers
6
-
Swamp Birch
Betula pumila
keystone
caterpillars
289
hosts
15
food
48
flowers
4
-
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
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Dwarf Resin Birch
Betula glandulosa
keystone
caterpillars
263
hosts
13
food
39
flowers
3
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Heartleaf Paper Birch
Betula cordifolia
caterpillars
263
hosts
13
food
36
flowers
4
-
Water Birch
Betula occidentalis
keystone
caterpillars
171
hosts
10
food
26
flowers
2
-
Dwarf Birch
Betula nana
keystone
caterpillars
102
hosts
6
food
39
flowers
1
-
Alaska Paper Birch
Betula neoalaskana
keystone
caterpillars
74
hosts
6
food
14
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Virginia Roundleaf Birch
Betula uber