The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.
- Grob V; Pfeifer E; Rutishauser R. 2007. Sympodial construction of Fibonacci-type leaf rosettes in Pinguicula moranensis (Lentibulariaceae). Annals of Botany. 100(4): 857-863.
- R. D. Bird, Biotic communities of the Aspen Parkland of central Canada, Ecology, 11:356-442, from p. 383 (1930).
- R. D. Bird, Biotic communities of the Aspen Parkland of central Canada, Ecology, 11:356-442, from p. 410 (1930).
- Wild, H. (1967) The Compositae of the Flora Zambesiaca area. 1. Heliantheae. Kirkia 6(1)
- WoRMS (2014). Helianthus. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=415453
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