Heliamphora macdonaldae is a species of marsh pitcher plant endemic to Venezuela. It is closely related to H. tatei and was for a long time considered a form or variety of that species.McPherson, S. 2007. Pitcher Plants of the Americas. The McDonald & Woodward Publishing Company, Blacksburg, Virginia. Putative natural hybrids between H. macdonaldae and H. tatei have been recorded in the southern part of Cerro Duida.
References
Further reading
Gleason, H.A. (May 1931). Botanical results of the Tyler-Duida Expedition. Bulletin of the Torrey Botanical Club 58(5): 277–344. Steyermark, J.A. et al. (18 May 1951). Sarraceniaceae. [pp. 239–242] In: Contributions to the flora of Venezuela. Botanical exploration in Venezuela - 1. Fieldiana: Botany 28(1): 1–242.