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By: Dewet, J M J - Harlan., J RType: ArticleIn: Journal of South African botanyVolume: 37Series:Issue: 1Date: 1971Page Range: 53--56Publication Info: Kirstenbosch National Botanic Gardens of South AfricaSubjects:
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By: Wet, J. M. J. de. - Harlan., J R - Gray, J. R.Type: ArticleIn: PhytologiaVolume: 33Series:Issue:Date: 1976Page Range: 203--227.Publication Info: Bronx Park, New York H.A. Gleason and H.N. MoldenkeSubjects: