Gumweed (Grindelia) -

• Plains Gumweed (Oolepis)
  
• Mexican Gumweed (Oxylepis)
  
• Curlytop Gumweed (Nuda)
  Curlytop Gumweed, Curlytop Gumweed
• Idaho Gumweed (Nana)
  Idaho Gumweed, Idaho Gumweed
• Narrowleaf Gumweed (Lanceolata)
  Narrowleaf Gumweed, Texan Gumweed
• Littlehead Gumweed (Microcephala)
  
• Spanish Gold (Papposa)
  
• Little Gumweed (Pusilla)
  
• Oregon Gumweed (Stricta)
  Oregon Gumweed, Oregon Gumweed, Oregon Gumweed
• Subalpine Gumweed (Subalpina)
  Subalpine Gumweed, Subalpine Gumweed
• Curlycup Gumweed (Squarrosa)
  Curlycup Gumweed, Curlycup Gumweed, Curlycup Gumweed
• Rough Gumweed (Scabra)
  
• Rolled Gumweed (Revoluta)
  
• Cutleaf Gumweed (Laciniata)
  
• Puget Sound Gumweed (Integrifolia)
  
• Columbia River Gumweed (Columbiana)
  
• Reclined Gumweed (Decumbens)
  Reclined Gumweed, Reclined Gumweed
• Great Valley Gumweed (Camporum)
  Bract Gumweed, Great Valley Gumweed
• Arizona Gumweed (Arizonica)
  Arizona Gumweed, New Mexican Gumweed, Arizona Gumweed
• Lonestar Gumweed (Adenodonta)
  
• Pointed Gumweed (Fastigiata)
  
• Ash Meadows Gumweed (Fraxinopratensis)
  
• Howell's Gumweed (Howellii)
  
• Colorado Gumweed (Inornata)
  Colorado Gumweed, Colorado Gumweed
• Hairy Gumweed (Hirsutula)
  Hairy Gumweed, Hall's Gumweed, Hairy Gumweed
• Havard's Gumweed (Havardii)
  
• Manyray Gumweed (Grandiflora)
  
• Sharpleaf Gumweed (Acutifolia)