Bluebells & Harebells: The Genus Campanula -
Lobelia or Downingia: The Genus Downingia -
Common Blue Cup: Githopsis specularioides (Synonyms: Githopsis calycina, Githopsis specularioides var. hirsuta) -
Heterocodon, Rareflower Heterocodon, Western Pearlflower: Heterocodon rariflorum (Synonyms: Specularia rariflora, Specularia rariflorum) -
Howellia, Water Howellia, Water Howellwort: Howellia aquatilis -
Rigid Nemacladus, Stoutstem Threadplant: Nemacladus rigidus -
Fleshy Porterella, Porterella: Porterella carnosula -
Small Venus'-looking-glass: Triodanis biflora (Synonyms: Specularia biflora, Triodanis perfoliata var. biflora, Triodanus biflora) -
Clasping-leaf Venus'-looking-glasClasping Venus' Looking-glass, Triodanis, Venus'-looking-glass: Triodanis perfoliata (Synonyms: Legousia perfoliata, Specularia perfoliata, Triodanus perfoliata) -