Buckwheat Family (Polygonaceae) -

• Triplaris (Triplaris)
  Ant Tree
• Spineflower (Dodecahema)
  Slenderhorn Spineflower
• July Gold (Dedeckera)
  July Gold
• Spineflower (Systenotheca)
  Vortriede's Spineflower
• Buckwheat (Stenogonum)
  Bent Two-whorl Buckwheat, Salty Buckwheat
• Rhubarb (Rheum)
  Chinese Rhubarb, Chinese Rhubarb, Garden Rhubarb
• Dock (Rumex)
  Garden Sorrel, Common Sheep Sorrel, Oahu Dock
• Coccoloba (Coccoloba)
  Uvilla, Tietongue, Whitewood
• Spineflower (Chorizanthe)
  Narrowleaf Spineflower, Twolobe Spineflower, Blakley's Spineflower
• Antenoron (Antenoron)
  Jumpseed
• Antigonon (Antigonon)
  Bellisima Grande, Coral Vine
• Spinycape (Aristocapsa)
  Indian Valley Spinycape
• Buckwheat Vine (Brunnichia)
  American Buckwheat Vine
• Centrostegia (Centrostegia)
  Red Triangles
• Calligonum (Calligonum)
  
• Pterostegia (Pterostegia)
  Woodland Pterostegia
• Knotweed (Polygonum)
  Leathery Knotweed, Tapertip Smartweed, Alaska Wild Rhubarb
• Hollisteria (Hollisteria)
  False Spikeflower
• Homalocladium (Homalocladium)
  Ribbonbush
• Johanneshowellia (Johanneshowellia)
  Lunar Crater Buckwheat, Red Creek Buckwheat
• Goldencarpet (Gilmania)
  Goldencarpet
• Spinecape (Goodmania)
  Yellow Spinecape
• Buckwheat (Eriogonum)
  Ibex Buckwheat, Mono Buckwheat, Rockjasmine Buckwheat
• Buckwheat (Fagopyrum)
  Buckwheat, Tartary Buckwheat
• Koenigia (Koenigia)
  Island Purslane
• Lastarriaea (Lastarriaea)
  Leather Spineflower
• Oxytheca (Oxytheca)
  Chickweed Oxytheca, Narrowleaf Oxytheca, Whitemargin Oxytheca
• Jointweed (Polygonella)
  Tall Jointweed, Southern Jointweed, Coastal Jointweed
• Mountainsorrel (Oxyria)
  Alpine Mountainsorrel
• Cottonheads (Nemacaulis)
  Cottonheads
• Spineflower (Mucronea)
  California Spineflower, Perfoliate Spineflower
• Maidenhair Vine (Muehlenbeckia)
  Sprawling Wirevine, Maidenhair Vine, Wirevine
• Threecornerjack (Emex)
  Southern Threecornerjack, Spiny Threecornerjack