Top native Leptocarpi
12 species, native to the US, ranked by caterpillars, then bees and other hosts, food, flowers and shelter.
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Small-flowered Milkvetch
Astragalus nuttallianus
caterpillars
23
bees
3
food
5
flowers
26
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Mojave Milkvetch
Astragalus mohavensis
caterpillars
19
bees
3
food
2
flowers
16
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Sharpkeel Milkvetch
Astragalus acutirostris
caterpillars
19
bees
3
food
1
flowers
19
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Emory's Milkvetch
Astragalus emoryanus
caterpillars
19
bees
1
food
1
flowers
14
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Depauperate Milkvetch
Astragalus pauperculus
caterpillars
16
bees
1
flowers
16
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San Bernardino Milkvetch
Astragalus bernardinus
caterpillars
15
bees
2
flowers
12
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Triple-ribbed Milkvetch
Astragalus tricarinatus
caterpillars
15
bees
1
flowers
12
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Rattan's Milkvetch
Astragalus rattanii
caterpillars
14
bees
1
food
3
flowers
18
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Alkali Milkvetch
Astragalus tener
caterpillars
11
bees
1
food
3
flowers
14
-
Brewer's Milkvetch
Astragalus breweri
caterpillars
11
bees
1
food
3
flowers
14
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Nye Milkvetch
Astragalus nyensis
caterpillars
10
bees
2
flowers
6
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Clara Hunt's Milkvetch
Astragalus claranus