ABSTRACT

For the British physician William Stanger, 1811–1854 (d. Durban, South Africa), geologist, visited Australia, 1841 naturalist on the Niger River expedition of Capt. Henry Dundas Trotter (1802–1859), collected in South Nigeria, from 1843 in South Africa, 1845–1854 Surveyor-General in Natal; see Primae Lineae Systematis Naturae 45. 1834, William Allen (1793–1864) and Thomas Richard Heywood Thomson, A narrative of the expedition … to the River Niger, in 1841. Under the command of Capt. H.D. Trotter. London 1848, J.F. Schön & S. Crowther, Journals of the Expedition up the Niger in 1841. London 1848, W.J. Hooker, Niger Flora. London 1849, Hooker’s Journal of Botany and Kew Garden Miscellany 5: 228. 1853, S. Crowther and J.C. Taylor, Niger Expedition of 1857–1859. 1859, Prodr. Syst. Cycad.: 5. June 1861, Prodr. 16(2): 529. Jul. (med.) 1868 [Stangerieae], Handbuch der Palaeontologie…Abtheilung Paleophytologie 216. 1880 [Stangerieae] and Jackson, B.D., Bull. Misc. Inform. Kew (1901): 62. 1901, Nat. Pflanzenfam., ed. 2, 13: 73. 1926, James Britten (1846–1924) and George E. Simonds Boulger (1853–1922), A biographical index of deceased British and Irish botanists. London 1931, Arthur Hugh Garfit Alston (1902–1958), Ferns and Fernallies of West Tropical Africa. 42(6): 15. London 1959, J.H. Barnhart, Biographical notes upon botanists. 3: 316. 1965, F.N. Hepper and Fiona Neate, Plant collectors in West Africa. 76. 1971, P. Vorster and Elsa Vorster, ‘Stangeria eriopus.’ in Excelsa 4: 79–89. 1974, Mary Gunn and Leslie Edward W. Codd, Botanical exploration of southern Africa. 331–332. Cape Town 1981, Vegter, H.I., Index Herb. Coll. S (1986): 943. 1986, F. Boerner & G. Kunkel, Taschenwörterbuch der botanischen Pflanzennamen. 4. Aufl. 173. 1989, Stevenson D.W. ‘Morphology and systematics of the Cycadales.’ Memoirs of the New York Botanical Gardens 57: 8–55. 1990, Brummitt, R.K. & Powell, C.E., Authors Pl. Names (1992): 612. 1992, Dennis Wm. Stevenson, ‘A formal classification of the extant cycads.’ Brittonia 44(2): 220–223. 19 June 1992, De Luca P. et al., ‘Molecular systematics of cycads.’ In: Vorster P., ed. Proceedings of the third international conference on cycad biology. Stellenbosch: Cycad Society of South Africa, 131–137. 1995, Stevenson, D. Wm., Knut J. Norstog and Dian V. Molsen, ‘Midribs of cycad pinnae.’ Brittonia 48(1): 67–74. January–March 1996, H. Genaust, Etymologisches Wörterbuch der botanischen Pflanzennamen. 608. [b. 1812] 1996, Prosyllabus Tracheophytorum, Tentamen Systematis Plantarum Vascularium (Tracheophyta) xv. 2001, Edinburgh J. Bot. 58: 475–481. 2001, Mike Pole, ‘Conifer and cycad distribution in the Miocene of southern New Zealand.’ Australian Journal of Botany 55: 143–164. 2007, Govaerts, R.H.A. World checklist of selected plant families published update. Facilitated by the Trustees of the Royal Botanic Gardens, Kew. 2011, Maarten J.M. Christenhusz et al., ‘A new classification and linear sequence of extant gymnosperms.’ Phytotaxa 19: 55–70. 2011, Carole Santi et al., ‘Biological nitrogen fixation in non-legume plants.’ Annals of Botany 111: 743–767. 2013.