Abstract
N/A
References
<p>Candolle, A.P. de (Oct. 1836) <em>Prodromus systematis naturalis regni vegetabilis</em>, vol. 5. Treuttel & Würtz, Paris, 706 pp. https://doi.org/10.5962/bhl.title.286</p>
<p>Claassen, C. (1970) <em>Vernonia oligocephala</em>. <em>Flowering Plants of Africa </em>40: t. 1592.</p>
<p>Harvey, W.H. (1865) Compositae Juss. <em>In</em>: Harvey, W.H. & Sonder, O.W. (Eds.) <em>Flora Capensis; being a systematic description of the plants of the Cape Colony, Caffraria & Port Natal</em> 3. Hodges, Smith & Co. Dublin; I.C. Jutta, Cape Town, pp. 44–530. https://doi.org/10.5962/bhl.title.821</p>
<p>Hilliard, O.M. (1972) Compositae. <em>In</em>: Ross, J.H., <em>Flora of Natal</em>. <em>Memoirs of the Botanical Survey of South Africa</em> 39. Botanical Research Institute, Pretoria, pp. 345–379.</p>
<p>Hilliard, O.M. (1977) <em>Compositae in Natal</em>. University of Natal Press, Pietermaritzburg, 659 pp.</p>
<p>Kunth, K.S. (1820) <em>Nova genera et species plantarum</em>, vol. 4 (folio ed.). Lutetiae Parisiorum: Sumtibus Librairie Graeco-Latino-Germanicae, 246 pp. https://doi.org/10.5962/bhl.title.640</p>
<p>Kuntze, O. (1891) <em>Revisio generum plantarum</em>, vol. 2. Charles Klincksieck, Paris, 610 + 27 pp. https://doi.org/10.5962/bhl.title.327</p>
<p>Kuntze, O. (1898) <em>Revisio generum plantarum</em>, vol. 3 (2). Charles Klincksieck, Paris, 201 + 576 pp. https://doi.org/10.5962/bhl.title.327</p>
<p>Letty, C. (1962) <em>Wild flowers of the Transvaal</em>. Wild Flowers of the Transvaal Book Fund, Pretoria, 362 pp.</p>
<p>Linnaeus, C. (1753) <em>Species plantarum</em>. Salvius, Stockholm, 1200 pp. https://doi.org/10.5962/bhl.title.11179</p>
<p>Merxmüller, H. (1967) Asteraceae. <em>Prodromus einer Flora von Südwestafrika</em> 139: 1–185.</p>
<p>Robinson, H. (1999) Revisions in paleotropical Vernonieae (Asteraceae). <em>Proceedings of the Biological Society of Washington</em> 112: 220–247.</p>
<p>Robinson, H., Skvarla, J.J. & Funk, V.A. (2016) Vernonieae (Asteraceae) of southern Africa: a generic disposition of the species and a study of their pollen. <em>Phytokeys</em> 60: 49–126. https://doi.org/10.3897/phytokeys.60.6734</p>
<p>Schreber, J.C.D. von (1791) <em>Genera plantarum</em>, vol. 2. Suntu Varrentrapii et Wenneri, <em>Frankfurt am Main</em> 541. [1]–8 + 491 pp.</p>
<p>Spach, E. (June 1836) Conspectus monographiae Hypericacearum. <em>Annales des Sciences Naturelles, ser. 2, Botanique</em> 5: 349–369. [https://www.biodiversitylibrary.org/item/111695#page/353/mode/1up]</p>
<p>Stevens, P.F. (1991) George Bentham and the Kew Rule. <em>In:</em> Hawksworth, D.L. (Ed.) <em>Improving the stability of names: needs and options; Proceedings of an international symposium, Kew, 20–23 February, 1991.</em> <em>Regnum Vegetabile</em> 123. Koeltz Scientific Books, Konigstein, pp. 157–168.</p>
<p>Swelankomo, N., Manning, J.C. & Magee, A.R. (2016) The genus <em>Hilliardiella</em> (Asteraceae: Vernonieae) in southern Africa. <em>South African Journal of Botany</em> 106: 41–59. https://doi.org/10.1016/j.sajb.2016.05.010</p>
<p>Turland, N.J., Wiersema, J.H., Barrie, F.R., Greuter, W., Hawksworth, D.L., Herendeen, P.S., Knapp, S., Kusber, W.-H., Li, D.-Z., Marhold, K., May, T.W., McNeill, J., Monro, A.M., Prado, J., Price, M.J. & Smith, G.F. (2018) International Code of Nomenclature for algae, fungi, and plants (Shenzhen Code) adopted by the Nineteenth International Botanical Congress Shenzhen, China, July 2017. <em>Regnum Vegetabile</em> 159. Koeltz Botanical Books, Glashütten. https://doi.org/10.12705/Code.2018</p>
<p>Walpers, W.G. (1843) <em>Repertorium botanices systematicae</em> (Tom. I et II), Supplementum Primum. Sumtibus Friderici Hofmeister, Leipzig, 256 pp. [https://www.biodiversitylibrary.org/page/7383388#page/751/mode/1up]</p>
<p>Claassen, C. (1970) <em>Vernonia oligocephala</em>. <em>Flowering Plants of Africa </em>40: t. 1592.</p>
<p>Harvey, W.H. (1865) Compositae Juss. <em>In</em>: Harvey, W.H. & Sonder, O.W. (Eds.) <em>Flora Capensis; being a systematic description of the plants of the Cape Colony, Caffraria & Port Natal</em> 3. Hodges, Smith & Co. Dublin; I.C. Jutta, Cape Town, pp. 44–530. https://doi.org/10.5962/bhl.title.821</p>
<p>Hilliard, O.M. (1972) Compositae. <em>In</em>: Ross, J.H., <em>Flora of Natal</em>. <em>Memoirs of the Botanical Survey of South Africa</em> 39. Botanical Research Institute, Pretoria, pp. 345–379.</p>
<p>Hilliard, O.M. (1977) <em>Compositae in Natal</em>. University of Natal Press, Pietermaritzburg, 659 pp.</p>
<p>Kunth, K.S. (1820) <em>Nova genera et species plantarum</em>, vol. 4 (folio ed.). Lutetiae Parisiorum: Sumtibus Librairie Graeco-Latino-Germanicae, 246 pp. https://doi.org/10.5962/bhl.title.640</p>
<p>Kuntze, O. (1891) <em>Revisio generum plantarum</em>, vol. 2. Charles Klincksieck, Paris, 610 + 27 pp. https://doi.org/10.5962/bhl.title.327</p>
<p>Kuntze, O. (1898) <em>Revisio generum plantarum</em>, vol. 3 (2). Charles Klincksieck, Paris, 201 + 576 pp. https://doi.org/10.5962/bhl.title.327</p>
<p>Letty, C. (1962) <em>Wild flowers of the Transvaal</em>. Wild Flowers of the Transvaal Book Fund, Pretoria, 362 pp.</p>
<p>Linnaeus, C. (1753) <em>Species plantarum</em>. Salvius, Stockholm, 1200 pp. https://doi.org/10.5962/bhl.title.11179</p>
<p>Merxmüller, H. (1967) Asteraceae. <em>Prodromus einer Flora von Südwestafrika</em> 139: 1–185.</p>
<p>Robinson, H. (1999) Revisions in paleotropical Vernonieae (Asteraceae). <em>Proceedings of the Biological Society of Washington</em> 112: 220–247.</p>
<p>Robinson, H., Skvarla, J.J. & Funk, V.A. (2016) Vernonieae (Asteraceae) of southern Africa: a generic disposition of the species and a study of their pollen. <em>Phytokeys</em> 60: 49–126. https://doi.org/10.3897/phytokeys.60.6734</p>
<p>Schreber, J.C.D. von (1791) <em>Genera plantarum</em>, vol. 2. Suntu Varrentrapii et Wenneri, <em>Frankfurt am Main</em> 541. [1]–8 + 491 pp.</p>
<p>Spach, E. (June 1836) Conspectus monographiae Hypericacearum. <em>Annales des Sciences Naturelles, ser. 2, Botanique</em> 5: 349–369. [https://www.biodiversitylibrary.org/item/111695#page/353/mode/1up]</p>
<p>Stevens, P.F. (1991) George Bentham and the Kew Rule. <em>In:</em> Hawksworth, D.L. (Ed.) <em>Improving the stability of names: needs and options; Proceedings of an international symposium, Kew, 20–23 February, 1991.</em> <em>Regnum Vegetabile</em> 123. Koeltz Scientific Books, Konigstein, pp. 157–168.</p>
<p>Swelankomo, N., Manning, J.C. & Magee, A.R. (2016) The genus <em>Hilliardiella</em> (Asteraceae: Vernonieae) in southern Africa. <em>South African Journal of Botany</em> 106: 41–59. https://doi.org/10.1016/j.sajb.2016.05.010</p>
<p>Turland, N.J., Wiersema, J.H., Barrie, F.R., Greuter, W., Hawksworth, D.L., Herendeen, P.S., Knapp, S., Kusber, W.-H., Li, D.-Z., Marhold, K., May, T.W., McNeill, J., Monro, A.M., Prado, J., Price, M.J. & Smith, G.F. (2018) International Code of Nomenclature for algae, fungi, and plants (Shenzhen Code) adopted by the Nineteenth International Botanical Congress Shenzhen, China, July 2017. <em>Regnum Vegetabile</em> 159. Koeltz Botanical Books, Glashütten. https://doi.org/10.12705/Code.2018</p>
<p>Walpers, W.G. (1843) <em>Repertorium botanices systematicae</em> (Tom. I et II), Supplementum Primum. Sumtibus Friderici Hofmeister, Leipzig, 256 pp. [https://www.biodiversitylibrary.org/page/7383388#page/751/mode/1up]</p>