By Kleynhans Riana   Spies Johan   in Euphytica

ISSN:0014-2336|115|2|141-147

Springer Publishing Company ‎(2000)‎

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By Roodt Rouvay   Spies Johan J.   in Taxon

ISSN:1996-8175|52|3|557-583

International Association for Plant Taxonomy‎(2003)‎

Access to resources Favorite 11.734409

By Roodt Rouvay   Spies Johan J.   in Taxon

ISSN:1996-8175|52|4|736-746

International Association for Plant Taxonomy‎(2003)‎

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By Hussein Shimelis   Spies Johan   Pretorius Zakkie   Labuschagne Maryke   in Euphytica

ISSN:0014-2336|141|3|209-216

Springer Publishing Company ‎(2005)‎

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