Primary references

• Donnell Smith, J. 1901. Undescribed plants from Guatemala and other Central American republics. XXII. Botanical Gazette 31: 109–125, pl. BHL JSTOR Reference page. 

Additional references

• Blake, S.F. 1924. Family 2. Polygalaceae. North American Flora 25: 305–379. BHL Reference page. 

• Morales, J.F. 2014. Polygalaceae. Pp. 342–357 in Hammel, B.E., Grayum, M.H., Herrera, C. & Zamora, N. (eds.), Manual de plantas de Costa Rica, Vol. VII, Dicotiledóneas (Picramniaceae–Rutaceae). Missouri Botanical Garden Press, St. Louis. ISBN 978-1-930723-56-6. Reference page. 

• Taylor, C.M. 1985. A revision of the Central American species of Monnina (Polygalaceae). Rhodora 87: 159–188. BHL Reference page. 

Links

• International Plant Names Index. 2019. Monnina saprogena. Published online. Accessed 20 July 2019.

• GBIF

• Hassler, M. 2019. Monnina saprogena. 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 July 20.

• Tropicos.org 2019. Monnina saprogena. Missouri Botanical Garden. Published on the internet. Accessed: 20 July 2019.

• Tropicos.org: Flora Mesoamericana: Monnina saprogena. Missouri Botanical Garden. Published on internet. Accessed: 20 July 2019.