Top native cirsium series altissima
4 species, native to the US, ranked by caterpillars, then bees and other hosts, food, flowers and shelter.
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Field Thistle
Cirsium discolor
caterpillars
22
bees
9
hosts
1
food
17
flowers
148
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Tall Thistle
Cirsium altissimum
caterpillars
21
bees
10
hosts
1
food
15
flowers
139
-
Soft Thistle
Cirsium carolinianum
caterpillars
20
bees
6
hosts
1
food
12
flowers
87
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Engelmann's Thistle
Cirsium engelmannii
caterpillars
17
bees
5
hosts
1
food
10
flowers
79