Boraginaceae is expanded to comprise seven subfamilies, two of which are based on Hydrophyllaceae and Lennoaceae, respectively. The type species of Tournefortia sect. Tournefortia is transferred to Heliotropium, as are its Malesian–Australian representatives.

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Blumea: Biodiversity, Evolution and Biogeography of Plants

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Naturalis journals & series

Craven, L.A. (2005). Malesian and Australian Tournefortia transferred to Heliotropium and notes on delimitation of Boraginaceae. Blumea: Biodiversity, Evolution and Biogeography of Plants, 50(2), 375–381.