There were 4 illustrations found for N. Howcroft
Dendrobium atroviolaceum RolfeKew Bull., vol. 38 : p. 259, fig. 6. (1983) [N. Howcroft]
Dendrobium otaguroanum A.D.HawkesKew Bull., vol. 38 : p. 265, fig. 9 (1983) [N. Howcroft]
Dendrobium rhodostictum F. Muell. & Kraenzl.Kew Bull., vol. 38 : p. 269, fig. 10 (1983) [N. Howcroft]
Dendrobium wulaiense HowcroftKew Bull., vol. 41 : p. 662, fig. 9 (1986) [N. Howcroft]