Wigandia urens (Ruiz & Pavon) Kunth [ Hydrolea scorpioides Sessé & Moc.]
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Wigandia urens (Ruiz & Pavon) Kunth [ ] [Hydrophyllaceae]
M. Sessé, M. Mociño, Draw. Roy. Exped. New Spain: [Hunt instutute, Turner collection no. 0413] (1787-1803)