Top native cottonwoods
7 species, native to the US, ranked by caterpillars, then bees and other hosts, food, flowers and shelter.
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Quaking Aspen
Populus tremuloides
caterpillars
355
hosts
21
food
79
flowers
34
shelter
3
-
Balsam Poplar
Populus balsamifera
caterpillars
297
hosts
16
food
61
flowers
9
shelter
1
-
Eastern Cottonwood
Populus deltoides
caterpillars
269
hosts
22
food
74
flowers
17
shelter
4
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Bigtooth Aspen
Populus grandidentata
caterpillars
249
hosts
17
food
51
flowers
1
shelter
3
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Swamp Cottonwood
Populus heterophylla
caterpillars
215
hosts
11
food
39
flowers
2
shelter
2
-
Narrowleaf Cottonwood
Populus angustifolia
caterpillars
183
hosts
9
food
30
flowers
2
shelter
1
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Frémont Cottonwood
Populus fremontii
caterpillars
182
hosts
10
food
45
flowers
18
shelter
3