Dendrobium magnificum Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1912) 490; 21 (1923) t. 165, fig. 619.
Type: Schlechter 18750 (holo B, lost).
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Dendrobium terrestre J.J.Sm. var. sublobatum J.J.Sm., Nova Guinea 12, 4 (1916) 319.
Type: Gjellerup 1157 (holo BO, iso L).
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Dendrobium rhomboglossum J.J.Sm. var. latipetalum J.J.Sm., Nova Guinea 12, 4 (1916) 320.
Type: Gjellerup 1113 (holo BO, iso L).
Note: Because the callus ridges do not extend to the base of the midlobe it appears that this is a synonym of Dendrobium terrestre rather than Dendrobium rigidifolium, to which we believe Dendrobium rhomboglossum should be reduced.
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Sayeria terrestris (J.J.Sm.) Rauschert, Feddes Repert. 94 (1983) 468.