Bellflowers and Harebells: The Genus Campanula -

Calicoflowers and Downingia: The Genus Downingia -

Blue Cup, Common Blue Cup, Githopsis: Githopsis specularioides -

Heterocodon: Heterocodon rariflorum -

Howellia, Water Howellwort: Howellia aquatilis ??

Water Lobelia, Water Gladiola, Dortmann's Lobelia: Lobelia dortmanna -

Slender Nemacladus, Common Nemacladus: Nemacladus capillaris -

Porterella: Porterella carnosula -

Small Venus' Looking-glass: Triodanis biflora -

Venus' Looking-glass, Clasping Venus' Looking-glass, Clasping-leaf Venus'-looking-glass: Triodanus perfoliata -