Top native bellflower subfamily
30 species, native to the US, ranked by caterpillars, then bees and other hosts, food, flowers and shelter.
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Western Harebell
Campanula petiolata
caterpillars
1
bees
3
flowers
21
-
Scouler's Harebell
Campanula scouleri
caterpillars
1
bees
2
flowers
18
-
Olympic Bellflower
Campanula piperi
caterpillars
1
bees
2
flowers
8
-
Intermediate Bellflower
Campanula intercedens
caterpillars
1
bees
1
flowers
21
-
Rough Harebell
Campanula scabrella
caterpillars
1
bees
1
flowers
14
-
Southern Harebell
Campanula divaricata
caterpillars
1
bees
1
flowers
12
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Mountain Harebell
Campanula lasiocarpa
caterpillars
1
flowers
6
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Tall Bellflower
Campanulastrum americanum
bees
1
flowers
51
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Parry's Northern Harebell
Campanula parryi
bees
1
flowers
15
-
Arctic Harebell
Campanula uniflora
bees
1
flowers
11
-
California Harebell
Smithiastrum prenanthoides
food
1
flowers
1
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Clasping Venus's Looking Glass
Triodanis perfoliata
flowers
21
-
Venus's Looking-glass
Triodanis biflora
flowers
3
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Florida Bellflower
Rotanthella floridana
flowers
3
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Alaskan Bellflower
Campanula alaskana
flowers
2
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Marsh Bellflower
Palustricodon aparinoides
-
Common Bluecup
Githopsis specularioides
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Texas Venus' Looking-glass
Triodanis texana
-
Western Pearlflower
Heterocodon rariflorus
-
Marsh Harebell
Eastwoodiella californica
-
Slimpod Venus' Looking Glass
Triodanis leptocarpa
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San Gabriel Bluecup
Githopsis diffusa
-
Sierra Bluecup
Githopsis pulchella
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Chaparral Harebell
Ravenella exigua
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Basin Bellflower
Poolea reverchonii
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Griffin's Bellflower
Ravenella griffinii
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Castle Crags Harebell
Campanula shetleri
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Wilkins' Harebell
Smithiastrum wilkinsianum
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Eastwood's Bellflower
Ravenella angustiflora
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Brooksville Bellflower
Protocodon robinsiae