Adeline's Hound's-tongue, Grand Hound's Tongue, Great Hound's Tongue, Pacific Hound's Tongue: Adelinia grande (Synonym: Cynoglossum grande) - Native perennial. Corolla blue-violet. Inflorescence a terminal false raceme, all the branches sharing a common, naked peduncle.
Common Hound's Tongue, Gypsyflower, Gypsy-flower, Hound's Tongue: Cynoglossum officinale - Weedy biennial. Corolla dull reddish-purple. Inflorescence of many false racemes axillary to the upper leaves or terminating the upper side branches.