Top native oenothera sect. anogra
5 species, native to the US, ranked by caterpillars, then bees and other hosts, food, flowers and shelter.
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Pale Evening Primrose
Oenothera pallida
caterpillars
13
bees
6
hosts
1
food
9
flowers
42
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White-stemmed Evening-primrose
Oenothera nuttallii
caterpillars
13
bees
3
hosts
1
food
6
flowers
36
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Birdcage Evening Primrose
Oenothera deltoides
caterpillars
11
bees
2
hosts
1
food
6
flowers
33
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California Evening Primrose
Oenothera avita
caterpillars
10
bees
3
hosts
1
food
6
flowers
28
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Engelmann's Evening Primrose
Oenothera engelmannii
caterpillars
7
bees
4
hosts
1
food
8
flowers
17