Primary references

• Dressler, S. 1996. Two new species in Marcgravia (Marcgraviaceae) from Central and adjacent South America. Novon 6: 256–261. BHL JSTOR Reference page. 

Additional references

• Giraldo-Cañas, D. 2011. Las Marcgraviaceae de Colombia: Inventario, diversidad, endemismo y distribución. Bioetnia 8: 28–39. PDF Reference page. 

• Hammel, B.E. 2007. Marcgraviaceae. Pp. 374–391 in Hammel, B.E., Grayum, M.H., Herrera, C. & Zamora, N. (eds.), Manual de plantas de Costa Rica, Vol. VI, Dicotiledóneas (Haloragaceae–Phytolaccaceae). Missouri Botanical Garden Press, St. Louis. ISBN 978-1-930723-60-3. Reference page. 

Links

• International Plant Names Index. 2019. Marcgravia roonii. Published online. Accessed 04 May 2019.

• GBIF

• Hassler, M. 2019. Marcgravia roonii. World Plants: Synonymic Checklists of the Vascular Plants of the World (2019). In: Roskov Y., Abucay L., Orrell T., Nicolson D., Bailly N., Kirk P., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, Zarucchi, J., Penev L., eds. 2019. Species 2000 & ITIS Catalogue of Life. Published on the internet. Accessed: 2019 May 04.

• Tropicos.org 2019. Marcgravia roonii. Missouri Botanical Garden. Published on the internet. Accessed: 04 May 2019.

• Tropicos.org: Flora Mesoamericana: Marcgravia roonii. Missouri Botanical Garden. Published on internet. Accessed: 04 May 2019.

• Marcgravia roonii in Bernal, R., Gradstein, S.R. & Celis, M. (eds.). 2015. Catálogo de plantas y líquenes de Colombia. Instituto de Ciencias Naturales, Universidad Nacional de Colombia, Bogotá. Accessed: 04 May 2019.

• Tropicos.org: Catalogue of the Vascular Plants of Ecuador: Marcgravia roonii. Missouri Botanical Garden. Published on internet. Accessed: 04 May 2019.