For Spirobassia
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Collins, S.L., and W.H. Blackwell, Jr. 1979. Bassia (Chenopodiaceae) in North America. Sida 8: 57-64. Google Scholar
Judd, W.S., and I.K. Ferguson. 1999. The genera of Chenopodiaceae in the southeastern United States. Harvard Papers in Botany 4: 365-416. Google Scholar
Kadereit, G., and H. Freitag. 2011. Molecular phylogeny of Camporosmeae (Camphorosmoideae, Chenopodiaceae): implications for biogeography, evolution of C4-photosynthesis and taxonomy. Taxon 60: 51-78. Google Scholar
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