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2448152 175861 Calamus holttumii Furtado
Gard. Bull. Singapore, vol. 15 : p. 229, t. 61 ()
2448162 175861 Calamus holttumii Furtado
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2454832 478067 Grammitis holttumii Copel.
Gard. Bull. Singapore, vol. 30 : p. 3 ()
2250532 769665 Peristylus holttumii Seidenf.
G. Seidenfaden, Orchid Genera Thailand, vol. 5 : , fig. 27 ()
3607706 454955 Gastrodia verrucosa Blume
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3609106 251736 Cleisostoma holttumii (Carr) Garay [125 906414 Sarcanthus holttumii Carr]
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3608162 383436 Endiandra holttumii M.R.Hend.
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3608342 346277 Diospyros holttumii Bakh.
Gard. Bull. Straits Settlem., vol. 7 : t. 48 (1932) [n.a.]
4498442 863262 Racemobambos holttumii S.Dransf.
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4502472 276652 Corybas holttumii J.Dransf. & G.Sm.
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