4491552 307563 Cynorkis anacamptoides Kraenzl.
Kew Bull., vol. 32(): : p. 138 (1977-1978) [G. Williamson]

4491562 806185 Platycoryne isoetifolia P.J.Cribb
Kew Bull., vol. 32(): : p. 139 (1977-1978) [G. Williamson]

4491572 488932 Habenaria argentea P.J.Cribb
Kew Bull., vol. 32(): : p. 140 (1977-1978) [G. Williamson]

4491586 488933 Habenaria arianae Geerinck
Kew Bull., vol. 32(): : p. 142 (1977-1978) [G. Williamson]

4491592 490106 Habenaria orthocentron P.J.Cribb
Kew Bull., vol. 32(): : p. 144 (1977-1978) [G. Williamson]

4491602 490287 Habenaria pubidens P.J.Cribb
Kew Bull., vol. 32(): : p. 146 (1977-1978) [G. Williamson]

4491612 160741 Brownleea maculata P.J.Cribb
Kew Bull., vol. 32(): : p. 148 (1977-1978) [G. Williamson]

4491646 699834 Nervilia crociformis (Zoll. & Moritzi) Seidenf. [125 149421 Bolborchis crociformis Zoll. & Moritzi]
Kew Bull., vol. 32(): : p. 152 (1977-1978) [G. Williamson]

4491652 827789 Polystachya holmesiana P.J.Cribb
Kew Bull., vol. 32(): : p. 154 (1977-1978) [G. Williamson]

4491666 164418 Bulbophyllum humblotii Rolfe
Kew Bull., vol. 32(): : p. 156 (1977-1978) [G. Williamson]

4491672 163466 Bulbophyllum ballii P.J.Cribb
Kew Bull., vol. 32(): : p. 158 (1977-1978) [G. Williamson]

4491682 981894 Stolzia compacta P.J.Cribb
Kew Bull., vol. 32(): : p. 160 (1977-1978) [G. Williamson]

4491696 415908 Eulophia caricifolia (Rchb.f.) Summerh. [125 611428 Lissochilus caricifolius Rchb.f.]
Kew Bull., vol. 32(): : p. 161 (1977-1978) [G. Williamson]

4491702 415960 Eulophia dactylifera P.J.Cribb
Kew Bull., vol. 32(): : p. 164 (1977-1978) [G. Williamson]

4491716 416348 Eulophia rolfeana Kraenzl.
Kew Bull., vol. 32(): : p. 165 (1977-1978) [G. Williamson]

4491726 415793 Eulophia acutilabra Summerh.
Kew Bull., vol. 32(): : p. 167 (1977-1978) [G. Williamson]

4491732 416256 Eulophia obscura P.J.Cribb
Kew Bull., vol. 32(): : p. 168 (1977-1978) [G. Williamson]

4491742 416371 Eulophia saxicola P.J.Cribb & G.Will.
Kew Bull., vol. 32(): : p. 170 (1977-1978) [G. Williamson]

4491756 709316 Oeceoclades calcarata (Schltr.) Garay & P. Taylor [125 304816 Cymbidium calcaratum Schltr.]
Kew Bull., vol. 32(): : p. 172 (1977-1978) [G. Williamson]

4491766 64201 Angraecopsis parva (P.J.Cribb) P.J.Cribb [125 534349 Holmesia parva P.J.Cribb]
Kew Bull., vol. 32(): : p. 174 (1977-1978) [G. Williamson]

4491772 1079431 Ypsilopus longifolius (Kraenzl.) Summerh. [80 689962 Mystacidium longifolium Kraenzl.]
Kew Bull., vol. 32(): : p. 176 (1977-1978) [G. Williamson]

449178 [111 611777 Listrostachys iridifolia Rolfe]
Kew Bull., vol. 32(): : p. 178 (1977-1978) [G. Williamson]

4491796 1202318 Rhipidoglossum oxycentron (P.J.Cribb) Senghas [125 335960 Diaphananthe oxycentron P.J.Cribb]
Kew Bull., vol. 32(): : p. 179 (1977-1978) [G. Williamson]

4491802 1030767 Tridactyle citrina P.J.Cribb
Kew Bull., vol. 32(): : p. 181 (1977-1978) [G. Williamson]

4491812 1236010 Cardiochilos williamsonii P.J.Cribb
Kew Bull., vol. 32(): : p. 182 (1977-1978) [G. Williamson]

4491822 987211 Summerhayesia zambesiaca P.J.Cribb
Kew Bull., vol. 32(): : p. 186 (1977-1978) [G. Williamson]

4513972 64328 Angraecum chimanimaniense G.Will.
Kew Bull., vol. 51(): : p. 558 (1996) [G. Williamson]