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By: Robinson, Harold Ernest, - Skvarla, JohnType: ArticleIn: PhytoKeysVolume: 38Series:Issue:Date: 2014Page Range: 1-13Publication Info: Pensoft Publishers 2014Subjects: Asteraceae Compositae Oocephala pantoporate pollen Polydora
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By: Robinson, Harold Ernest, - Skvarla, John - Funk, V. A. (Vicki Ann),Type: ArticleIn: PhytoKeysVolume: 60Series:Issue:Date: 2016Page Range: 49-126Publication Info: Pensoft Publishers 2016Subjects: Asteraceae Baccharoides Bothriocline Botswana Compositae Cyanthillium Distephanus Erlangea Ethulia Gymnanthemum Hilliardiella Lesotho Namibia Namibithamnus new combinations new genera Oocephala Orbivestus Parapolydora Pollen Polydora Pseudopegolettia South Africa Swaziland Vernonella Vernonia Vernoniastrum Vernonieae