Polygoneae

Range

Greener is more native, amber more introduced; paler is less certain. How this was decided

• Douglas' Knotweed Polygonum douglasii caterpillars 35 food 44 flowers 14
• Bushy Knotweed Polygonum ramosissimum caterpillars 32 food 46 flowers 16
• Leathery Knotweed Polygonum achoreum caterpillars 31 food 42 flowers 14
• Small's Knotweed Polygonum buxiforme caterpillars 28 food 40 flowers 16
• Milkwort Knotweed Polygonum polygaloides caterpillars 28 food 39 flowers 13
• Slender Knotweed Polygonum tenue caterpillars 27 food 41 flowers 16
• Sea Knotweed Polygonum glaucum caterpillars 27 food 36 flowers 15
• Erect Knotweed Polygonum erectum caterpillars 25 food 36 flowers 11
• Broadleaf Knotweed Polygonum minimum caterpillars 20 food 38 flowers 6
• Scatter Knotweed Polygonum spergulariiforme caterpillars 18 food 35 flowers 5
• Beach Knotweed Polygonum paronychia caterpillars 17 food 34 flowers 5
• Wiry Knotweed Polygonum majus caterpillars 17 food 34 flowers 5
• Nuttall's Knotweed Polygonum nuttallii caterpillars 16 food 33 flowers 5
• Sawatch Knotweed Polygonum sawatchense caterpillars 15 food 38 flowers 3
• Fowler's Knotweed Polygonum fowleri caterpillars 15 food 33 flowers 5