family
Knotweed Family
Polygonaceae
Field notes
Children
Range
Greener is more native, amber more introduced; paler is less certain. How this was decided
Top native knotweed family members All
Native to the US, ranked by caterpillars, then bees and other hosts, food, flowers and shelter.
-
California Buckwheat
Eriogonum fasciculatum
caterpillars
37
bees
1
hosts
3
food
45
flowers
357
shelter
2
-
Western Dock
Rumex occidentalis
caterpillars
37
hosts
3
food
20
flowers
1
-
Willow Dock
Rumex salicifolius
caterpillars
37
hosts
3
food
19
flowers
1
-
Golden Dock
Rumex fueginus
caterpillars
36
hosts
3
food
20
flowers
1
-
Golden Dock
Rumex maritimus
caterpillars
35
hosts
3
food
25
flowers
2
-
White Willow Dock
Rumex triangulivalvis
caterpillars
35
hosts
2
food
14
flowers
2
-
Douglas' Knotweed
Polygonum douglasii
caterpillars
35
food
44
flowers
14
-
Tall Dock
Rumex altissimus
caterpillars
33
hosts
3
food
19
flowers
2
-
Greater Water Dock
Rumex britannica
caterpillars
33
hosts
3
food
19
flowers
1
-
Bushy Knotweed
Polygonum ramosissimum
caterpillars
32
food
46
flowers
16
-
Leathery Knotweed
Polygonum achoreum
caterpillars
31
food
42
flowers
14
-
Swamp Dock
Rumex verticillatus
caterpillars
30
hosts
3
food
20
flowers
1
-
Canaigre Dock
Rumex hymenosepalus
caterpillars
29
hosts
2
food
18
flowers
1
-
Winged Dock
Rumex venosus
caterpillars
28
hosts
2
food
14
flowers
1
-
Small's Knotweed
Polygonum buxiforme
caterpillars
28
food
40
flowers
16