- Najma Dharani, 2002, 2011. Field guide to common trees and shrubs of East Africa.
- Rwangabo and alii, 1990. Antivirul activity of Rwandan medicinal plants against human immunodeficiency virus type – 1 (HIV-1). Complement modulating activity of Rwandan medicinal plants.
- Umuganwa Chantal,2014. Assessment of land management and land productivity in the development of Rwanda.
- MINITERE, 2004,National Land Policy. Ministry of Lands, Environment,Forests, Water and Mines. Kigali, Rwanda.
- J.J. Mbonigaba Muhinda & Leonidas Dusengemungu, 2012:Farm Land Use Consolidation- a Home . Grown Solution for Food Security inRwanda
- Jayaray Paulrai, Raghavan Gorindarajan and allii 2014, The genus Spilanthes , Ethnopharmacology, Phytochemistry and pharmacological properties, A review.
- Sharma and al., 2011; High therapeutic potential of Spilanthes acmmella, A review. Httpsi//www.ncbi.nlm.nch. gov. nticles.
- Eberhard Fischer /Dorothee Killmann, 2008; Illustrated Field guide to the plants of Nuyungwe National Park Rwanda,
- Georges Troupin, 1978; Flore du Rwanda spermatophytes. Musee Royal de l’Afriqque Centrale- Tervuren, Belgique. Annales- IN 8o –sciences economiques - no 9, 1978.
- Georges Troupin et collaborateurs, 1983, Flore du Rwanda, spermatophytes Volume II. Musee Royal de l’ Afrique Centrale- Tervuren, Belgiqque, Annales – serie No 8 – sciences economiques- no 13. 19983.
- G. Troupin et collaborateurs, 1985, Flore du Rwanda, spermatophytes Volume III. Institut National de Recherche Scientifique. Butare - Republique Rwandaise – Publication No 30. Agence de cooperation Culturelle et Technique, 1985.
- G. Troupin et collaborateurs, 1988, Flore du Rwanda, spermatophytes Volume IV. Institut National de Recherche Scientifique. Butare-Republique Rwandaise– Publication No 41. Agence de cooperation Culturelle et Technique, 1988.
- Arnold EGLI et Antoine KALINGANIRE , 1988 : Les arbres et arbustes agroforestiers au Rwanda.
- NFTA 1986, Eythrinas provide beauty and more. NFT highlights 86-02, nitrogen fixing trees Association, Waimanalo (Hawaii; Etats –Unis).
- C.N. Williams, W.Y. Chew, J.A. Rajaratnam:1987: Tree and field crops of the wetter regions of the tropics.
- Jemal Dilelo, 2015: Antibacterial activities of icroglossa pyrifolia (Lamk.) Kuntze, Leucas deflexa Hook, and Indigoferra spicata Forsk.