Top native buckthorn family members
89 species, native to the US, ranked by caterpillars, then bees and other hosts, food, flowers and shelter.
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Blueblossom
Ceanothus thyrsiflorus
caterpillars
49
hosts
3
food
21
flowers
68
-
Snowbrush Ceanothus
Ceanothus velutinus
caterpillars
49
hosts
2
food
16
flowers
97
-
Buckbrush
Ceanothus cuneatus
caterpillars
48
hosts
6
food
26
flowers
64
-
Deerbrush Ceanothus
Ceanothus integerrimus
caterpillars
48
hosts
6
food
18
flowers
71
-
Mountain Whitethorn
Ceanothus cordulatus
caterpillars
45
hosts
2
food
16
flowers
73
-
Wavyleaf Ceanothus
Ceanothus foliosus
caterpillars
44
hosts
2
food
16
flowers
58
-
Redstem Ceanothus
Ceanothus sanguineus
caterpillars
44
hosts
1
food
16
flowers
63
-
Mojave Ceanothus
Ceanothus pauciflorus
caterpillars
43
hosts
2
food
17
flowers
57
-
Mahala Mat
Ceanothus prostratus
caterpillars
43
hosts
2
food
16
flowers
62
-
Point Reyes Ceanothus
Ceanothus gloriosus
caterpillars
43
hosts
2
food
16
flowers
57
-
Kern Ceanothus
Ceanothus pinetorum
caterpillars
42
hosts
2
food
16
flowers
56
-
Hairy Ceanothus
Ceanothus oliganthus
caterpillars
41
hosts
2
food
21
flowers
55
-
Arching Ceanothus Ceanothus arcuatus caterpillars 41 hosts 2 food 16 flowers 59
-
Wartleaf Ceanothus
Ceanothus papillosus
caterpillars
41
hosts
2
food
16
flowers
58
-
Littleleaf Ceanothus
Ceanothus parvifolius
caterpillars
40
hosts
3
food
16
flowers
56
-
Island Ceanothus
Ceanothus arboreus
caterpillars
40
hosts
2
food
16
flowers
59
-
Siskiyou Mat
Ceanothus pumilus
caterpillars
40
hosts
2
food
16
flowers
56
-
Lemmon's Ceanothus
Ceanothus lemmonii
caterpillars
40
hosts
2
food
16
flowers
56
-
Musk Brush
Ceanothus jepsonii
caterpillars
39
hosts
2
food
17
flowers
60
-
Chaparral Whitethorn
Ceanothus leucodermis
caterpillars
39
hosts
2
food
16
flowers
62
-
Woollyleaf Ceanothus
Ceanothus tomentosus
caterpillars
39
hosts
2
food
16
flowers
57
-
Greenbark Ceanothus
Ceanothus spinosus
caterpillars
39
hosts
2
food
16
flowers
56
-
Palmer Ceanothus
Ceanothus palmeri
caterpillars
39
hosts
2
food
16
flowers
56
-
Pine Mat
Ceanothus diversifolius
caterpillars
39
hosts
2
food
16
flowers
56
-
Hoaryleaf Ceanothus
Ceanothus crassifolius
caterpillars
38
hosts
2
food
16
flowers
54
-
Wart-stemmed Ceanothus
Ceanothus verrucosus
caterpillars
38
hosts
2
food
16
flowers
54
-
Cupped Leaf Ceanothus
Ceanothus perplexans
caterpillars
37
hosts
2
food
17
flowers
60
-
Parry Ceanothus
Ceanothus parryi
caterpillars
37
hosts
2
food
16
flowers
57
-
Lakeside Ceanothus
Ceanothus cyaneus
caterpillars
36
hosts
2
food
16
flowers
51
-
Otay Mountain Ceanothus
Ceanothus otayensis
caterpillars
36
hosts
2
food
16
flowers
50
-
Bigpod Ceanothus
Ceanothus megacarpus
caterpillars
35
hosts
2
food
16
flowers
59
-
Coast Whitethorn
Ceanothus incanus
caterpillars
35
hosts
2
food
16
flowers
57
-
Fresno Ceanothus
Ceanothus fresnensis
caterpillars
34
hosts
2
food
15
flowers
56
-
Sandscrub Ceanothus Ceanothus dentatus caterpillars 33 hosts 2 food 16 flowers 55
-
Nicasio Ceanothus
Ceanothus decornutus
caterpillars
32
hosts
2
food
16
flowers
57
-
Mason's Ceanothus
Ceanothus masonii
caterpillars
32
hosts
2
food
16
flowers
57
-
Santa Barbara Ceanothus
Ceanothus impressus
caterpillars
31
hosts
1
food
16
flowers
53
-
Fendler's Ceanothus
Ceanothus fendleri
caterpillars
30
hosts
1
food
17
flowers
86
-
Inland Ceanothus
Ceanothus herbaceus
caterpillars
30
food
18
flowers
66
-
New Jersey Tea Ceanothus americanus caterpillars 29 hosts 1 food 19 flowers 230
-
Cascara
Frangula purshiana
caterpillars
17
food
8
flowers
18
-
Martin's Ceanothus
Ceanothus martini
caterpillars
16
hosts
1
food
12
flowers
45
-
Alderleaf Buckthorn
Rhamnus alnifolia
caterpillars
15
hosts
1
food
4
flowers
8
-
Redberry Buckthorn
Rhamnus crocea
caterpillars
14
hosts
1
food
14
flowers
8
-
Coffeeberry
Frangula californica
caterpillars
11
hosts
2
food
37
flowers
55
-
Hollyleaf Redberry
Rhamnus ilicifolia
caterpillars
10
food
10
flowers
8
-
Lanceleaf Buckthorn
Rhamnus lanceolata
caterpillars
6
food
4
flowers
45
-
Hairyleaf Redberry
Rhamnus pilosa
caterpillars
6
food
4
flowers
2
-
Island Redberry
Rhamnus pirifolia
caterpillars
6
food
4
flowers
2
-
Black Ironwood
Krugiodendron ferreum
caterpillars
4
food
2
flowers
2