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The 7 references without a DOI — listed, not checked
no DOI — not checkedAnonymous.1968.Genetics and cytology of cotton.Southern Cooperative Series Bulletin 139. Texas Agr. Exp. Station College Station.
no DOI — not checkedDistribution patterns in modern plants and the problems of ancient dispersals
no DOI — not checkedStages in the evolution of Gossypium L
no DOI — not checkedThe geography of the flowering plants
no DOI — not checkedMenzel M.Y. andD. W.Martin. In press.Genome affinities of four African diploid species ofHibiscussect.Furcaria.J. Hered.
no DOI — not checkedMenzel M.Y. andF. D.Wilson.1969b.Relationships and age of some African Indian and Australian 18‐chromosome genomes inHibiscussect.Furcaria. Abstr. XI Int. Bot. Congr. Seattle:145.
no DOI — not checkedAfrica. Its peoples and their culture history
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